W.A.P. C++: 2009

B.E / B.TECH Result May 2009 MDU

Posted by snehil Friday, September 18, 2009 comments (1)

Herez Long Awaited B.E. / B.TECH MDU May 2009 Result

:)

Best Of Luck!!!

Difference Between a++ and ++a

Posted by snehil Friday, September 4, 2009 comments (1)

The difference between a++ and ++a, is that when we use a++ in a program and then the effect would be on the next statement while the ++a, effect is that on the current line not on the next statement.

Output:

Example code:

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a,b;
a=1;
cout<<a<<endl;
cout<<a++<<endl;
cout<<a<<endl<<endl;
b=5;
cout<<b<<endl;
cout<<++b<<endl;
cout<<b<<endl;
getch();
}
 

Write a program to store Name, Age and address of student

Posted by snehil Thursday, July 16, 2009 comments (0)

Name age and address of students are stored in a string..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
#include<stdio.h>
void main()
{
clrscr();
char name[100],age[100],address[100];
cout<<"Please enter a name: ";
gets(name);
cout<<"Please enter age: ";
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
gets(age);
cout<<"Please eneter address: ";
gets(address);
cout<<endl<<endl<<"Name is: "<<name<<endl<<"Age is: "<<age<<endl<<"Address is: 
"<<address;
getch();
}
 

Write a program to count number of words in a line

Posted by snehil comments (2)

A line is taken from user and number of words is calculated..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
#include<stdio.h>
void main()
{
clrscr();
char str[100];
int w=1;
cout<<"Please enter a String: ";
gets(str);
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for (int i=0;str[i]!='\0';i++)
{
if(str[i]==' ')
w++;
}
cout<<"There are "<<w<<" words.";
getch();
}
 

Write a program to count the number of vowels in a word

Posted by snehil comments (1)

A word is taken from the user and number of vowels is determined..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
char str[10];
int v=0;
cout<<"Please enter a string: ";
cin>>str;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(int i=0;str[i]!='\0';i++)
{
if(str[i]=='a'||str[i]=='A'||str[i]=='e'||str[i]=='E'||str[i]=='i'||str[i]=='I'||str[i]=='o'||str[i]=='O'||str[i]=='u'||str[i]=='U')
v++;
}
cout<<v<<" Number of Vowels are there.";
getch();
}
 

Write a program to check a character is in upper case or lower case

Posted by snehil comments (0)

A character is taken from user and is checked if it is in UPPER CASE or lower case..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
char x;
cout<<"Please enter a character: ";
cin>>x;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
if(x>='A'&&x<='Z')
cout<<x<<" is in UPPER CASE:)";
else
cout<<x<<" is in lower case :)";
getch();
}
 

Write a program to store a character and check it is vowel or consonant

Posted by snehil comments (0)

A character is taken from user.. and is checked if it is a vowel or a consonant..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
char x;
cout<<"Please enter a character: ";
cin>>x;
if(x=='a'||x=='A'||x=='e'||x=='E'||x=='i'||x=='I'||x=='o'||x=='O'||x=='u'||x=='U')
cout<<x<<" is a Vowel :)";
else
cout<<x<<" is a consonant :)";
getch();
}
 

Write a program to find transpose of a matrix

Posted by snehil comments (13)

A matrix is taken from user.. and its Transpose is displayed as output..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a[10][10],m,n,i,j;
cout<<"Enter number of rows: ";
cin>>m;
cout<<"Enter number of coloumns: ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
if(m!=n)
{
cout<<"Matrix not square so Transpose not possible :(";
}
else
{
cout<<endl<<"Enter elements of matrix: "<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element a"<<i+1<<j+1<<": ";
cin>>a[i][j];
}
}
cout<<endl<<"Displaying Matrix: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl<<endl;
}
cout<<endl<<"Displaying Matrix Transpose: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[j][i]<<" ";
}
cout<<endl<<endl;
}
}
getch();
}
 

Write a program for multiplication of two matrices

Posted by snehil comments (10)

Two matrices are taken from user..multiplication matrix is displayed as output.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a[10][10],b[10][10],c[10][10],m,n,o,p,i,j;
cout<<"Enter number of rows of A: ";
cin>>m;
cout<<"Enter number of coloumns of A: ";
cin>>n;
cout<<endl<<"Enter elements of matrix A: "<<endl;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element a"<<i+1<<j+1<<": ";
cin>>a[i][j];
}
}
cout<<endl<<"Enter number of rows of B: ";
cin>>o;
cout<<"Enter number of coloumns of B: ";
cin>>p;
cout<<endl<<"Enter elements of matrix B: "<<endl;
for(i=0;i<o;i++)
{
for(j=0;j<p;j++)
{
cout<<"Enter element b"<<i+1<<j+1<<": ";
cin>>b[i][j];
}
}

cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl<<endl;
}
cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
for(i=0;i<o;i++)
{
for(j=0;j<p;j++)
{
cout<<b[i][j]<<" ";
}
cout<<endl<<endl;
}
if(n==o)
{
for(i=0;i<m;i++)
{
for(j=0;j<p;j++)
{
c[i][j]=0;
for(int k=0;k<n;k++)
{
c[i][j]=c[i][j]+a[i][k]*b[k][j];
}
}
}
cout<<endl<<"Matrix A * Matrix B = Matrix C: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<p;j++)
{
cout<<c[i][j]<<" ";
}
cout<<endl<<endl;
}
}
else
cout<<"Multiplication not possible :(";
getch();
}
 

Write a program to find Difference of two matrix

Posted by snehil comments (1)

Two matrix are taken from user.. Substraction matrix is displayed as output..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a[10][10],b[10][10],c[10][10],m,n,i,j;
cout<<"Enter number of rows: ";
cin>>m;
cout<<"Enter number of coloumns: ";
cin>>n;
cout<<endl<<"Enter elements of matrix A: "<<endl;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element a"<<i+1<<j+1<<": ";
cin>>a[i][j];
}
}
cout<<endl<<"Enter elements of matrix B: "<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element b"<<i+1<<j+1<<": ";
cin>>b[i][j];
}
}
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl<<endl;
}
cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<b[i][j]<<" ";
}
cout<<endl<<endl;
}
cout<<endl<<"Matrix A - Matrix B = Matrix C: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]-b[i][j]<<" ";
}
cout<<endl<<endl;
}
getch();
}
 

Write a program to find sum matrix of two matrix

Posted by snehil comments (1)

Two matrix are taken from user.. Sum matrix is displayed as output..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a[10][10],b[10][10],c[10][10],m,n,i,j;
cout<<"Enter number of rows: ";
cin>>m;
cout<<"Enter number of coloumns: ";
cin>>n;
cout<<endl<<"Enter elements of matrix A: "<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element a"<<i+1<<j+1<<": ";
cin>>a[i][j];
}
}
cout<<endl<<"Enter elements of matrix B: "<<endl;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element b"<<i+1<<j+1<<": ";
cin>>b[i][j];
}
}

cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl<<endl;
}
cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<b[i][j]<<" ";
}
cout<<endl<<endl;
}
cout<<endl<<"Matrix A + Matrix B = Matrix C: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]+b[i][j]<<" ";
}
cout<<endl<<endl;
}

getch();
}
 

Write a program to store elements in m x n 2D array (Matrix)

Posted by snehil comments (0)

m(row) and n(coloumns) are taken from user.. Elements are taken from user.. matrix is displayed in tabular form..

This should be your first program for Matrix.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a[10][10],m,n,i,j;
cout<<"Enter number of rows: ";
cin>>m;
cout<<"Enter number of coloumns: ";
cin>>n;
cout<<endl<<"Enter elements of matrix: "<<endl;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<"Enter element a"<<i+1<<j+1<<": ";
cin>>a[i][j];
}
}
cout<<endl<<"Displaying Matrix: "<<endl<<endl;
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl<<endl;
}
getch();
}
 

Write a program to Insert and Delete elemnt of an array

Posted by snehil comments (7)

Size of array is taken from user.. Elements are Entered.. Array is shown.. user is prompted for adding another element.. new element is added at desired position.. user is prompted to delete an element.. Element is deleted from entered position..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<conio.h>
#include<iostream.h>
void main()
{
clrscr();
int a[100],i,pos,num,item,size;
cout<<"How many element: ";
cin>>size;
cout<<"Enter the elements of array: "<<endl;
for(i=0;i<size;i++)
cin>>a[i];
cout<<endl;
cout<<"Now Array is: "<<endl;
for(i=0;i<size;i++)
cout<<"Element at position "<<i+1<<" is "<<a[i]<<endl;
cout<<endl<<"Press any key to add another element"<<endl<<endl;
getch();
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Enter another element: ";
cin>>num;
cout<<"Enter position number: ";
cin>>pos;
cout<<endl;
--pos;
for(i=size;i>=pos;i--)
a[i+1]=a[i];
a[pos]=num;
size++;
cout<<"New Array: "<<endl;
for(i=0;i<size;i++)
cout<<"Element at position "<<i+1<<" is "<<a[i]<<endl;
cout<<endl<<"Press any key to delete any element"<<endl<<endl;
getch();

//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Enter position number to delete: ";
cin>>pos;
--pos;
item=a[pos];
for(i=pos;i<size;i++)
a[i]=a[i+1];
size--;
cout<<"Deleted element: "<<item<<endl;
cout<<endl<<"New array: "<<endl;
for(i=0;i<size;i++)
cout<<"Element at position "<<i+1<<" is "<<a[i]<<endl;
getch();
}
 

Write a program to sort elements of array (bubble Sorting)

Posted by snehil comments (2)

Size of array is taken from user.. Elemnts are entered by user.. Elements are sorted in ascending order..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<conio.h>
#include<iostream.h> 
void main() 
{ 
clrscr(); 
int a[100],i,n,j,temp; 
cout<<"How many element: "; 
cin>>n; 
cout<<"Enter the elements of array: "<<endl; 
for(i=0;i<n;i++) 
cin>>a[i]; 
cout<<"The elements of array Before Sorting: "<<endl; 
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(i=0;i<n;i++) 
cout<<a[i]<<" "; 
cout<<endl; 
for(i=0;i<n;i++) 
{ 
for(j=0;j<n-1-i;j++) 
{ 
if(a[j]>a[j+1]) 
{ 
temp=a[j]; 
a[j]=a[j+1]; 
a[j+1]=temp; 
} 
} 
} 
cout<<"Elements of array After Sorting: "<<endl; 
for(i=0;i<n;i++) 
cout<<a[i]<<" "; 
getch(); 
}

Write a program to search an element in an array (Binary searching)

Posted by snehil comments (2)

Size of array is taken from user.. Elements are entered by user in order (ascending or descending).. user is asked for the element to be searched... Search is performed..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<conio.h>
#include<iostream.h> 
void main() 
{ 
clrscr(); 
int a[100],i,loc,mid,beg,end,n,flag=0,item; 
cout<<"How many element: "; 
cin>>n; 
cout<<"Enter (IN ORDER) the elements of array: "<<endl; 
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(i=0;i<n;i++) 
cin>>a[i]; 
cout<<"Enter the element to be searched: "; 
cin>>item; 
loc=0; 
beg=0; 
end=n-1; 
while((beg<=end)&&(item!=a[mid])) 
{ 
mid=(beg+end)/2; 
if(item==a[mid]) 
{ 
cout<<"Search successful :)"; 
loc=mid; 
cout<<"Position of the Item: "<<loc+1; 
flag=flag+1; 
} 
else if(item<a[mid]) 
end=mid-1; 
else 
beg=mid+1; 
} 
if(flag==0) 
{ 
cout<<"Search NOT sucessfull :( "; 
} 
getch(); 
}

Write a program to search an element in an array (Linear searching)

Posted by snehil comments (1)

Size of array is taken from user.. Elements are entered.. Then user is asked to enter element to be searched.. Search is performed..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h> 
void main() 
{ 
clrscr(); 
int ar[10],n,num,no; 
cout<<"Enter size of the array: "; 
cin>>n; 
cout<<"Enter array element: "<<endl; 
for(int i=0;i<n;i++) 
{ 
cout<<"Enter element "<<i<<": "; 
cin>>ar[i]; 
} 
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Elements of array: "<<endl; 
for(i=0;i<n;i++) 
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl; 
//////To search//// 
cout<<"Enter number to search: "; 
cin>>num; 
for(i=0;i<n;i++) 
{ 
if(num==ar[i]) 
{ 
cout<<"Found at index number: "<<i; 
no=0; 
break; 
} 
else 
{ 
no=1; 
continue; 
} 
} 
if(no==1) 
cout<<"Sorry your search returned NO results. :("; 
getch(); 
}

Write a program to find minimum in array

Posted by snehil comments (2)

Size of array is taken from user..Elements are entered by user..Minimum of the elements is displayed..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int ar[10],n,min;
cout<<"Enter size of the array: ";
cin>>n;
cout<<"Enter array element: "<<endl;
for(int i=0;i<n;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
cout<<"Enter element "<<i<<": ";
cin>>ar[i];
}
cout<<"Elements of array: "<<endl;
for(i=0;i<n;i++)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
////To find MIN////
min=ar[0];
for(i=0;i<n;i++)
{
if(min>ar[i])
min=ar[i];
}
cout<<"Minimum in the array is "<<min;
getch();
}
 

Write a program to find maximum in array

Posted by snehil comments (1)

Size of array is taken from user..elements are entered by user..biggest ellement is displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int ar[10],n,max;
cout<<"Enter size of the array: ";
cin>>n;
cout<<"Enter array element: "<<endl;
for(int i=0;i<n;i++)
{
cout<<"Enter element "<<i<<": ";
cin>>ar[i];
}
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Elements of array: "<<endl;
for(i=0;i<n;i++)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
////To find MAX////
max=ar[0];
for(i=0;i<n;i++)
{
if(max<ar[i])
max=ar[i];
}
cout<<"Maximum in the array is "<<max;
getch();
}
 

Write a program to reverse elements of array

Posted by snehil comments (2)

Size of array is taken from user..Elements are stored by user..Then reverse of array is displayed..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int ar[10],n,s=0;
cout<<"Enter size of the array: ";
cin>>n;
cout<<"Enter array element: "<<endl;
for(int i=0;i<n;i++)
{
cout<<"Enter element "<<i<<": ";
cin>>ar[i];
}
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Elements of array in original order: "<<endl;
for(i=0;i<n;i++)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
cout<<"Elements of array in reverse order: "<<endl;
for(i=n-1;i>=0;i--)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
getch();
}
 

Write a program to find sum of array elements

Posted by snehil comments (0)

Size of array is taken from user..Numbers are stored in the array.. and sum is determined of the elements of array..

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int ar[10],n,s=0;
cout<<"Enter size of the array: ";
cin>>n;
cout<<"Enter array element: "<<endl;
for(int i=0;i<n;i++)
{
cout<<"Enter element "<<i<<": ";
cin>>ar[i];
}
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Elements of array: "<<endl;
for(i=0;i<n;i++)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
///For adding all elements///
for(i=0;i<n;i++)
s=s+ar[i];
cout<<"Sum of elements: "<<s;
getch();
}
 

write a program to store n numbers to an array and display them

Posted by snehil comments (0)

Size of array is taken from user as n. then n numbers are stored in array..Array is displayed as output.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int ar[10],n;
cout<<"Enter size of the array: ";
cin>>n;
cout<<"Enter array element: "<<endl;
for(int i=0;i<n;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
cout<<"Enter element "<<i<<": ";
cin>>ar[i];
}
cout<<"Elements of array: "<<endl;
for(i=0;i<n;i++)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
getch();
}
 

write a program to store and display 10 numbers in an array

Posted by snehil comments (0)

10 numbers are first stored in array and then the array is displayed.

This should be your first array program.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int ar[10];
cout<<"Enter array element: "<<endl;
for(int i=0;i<10;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
cout<<"Enter element "<<i<<": ";
cin>>ar[i];
}
cout<<"Elements of array: "<<endl;
for(i=0;i<10;i++)
cout<<"Element at index number "<<i<<" is: "<<ar[i]<<endl;
getch();
}
 

write a program to calculate sum of all even numbers upto n

Posted by snehil Wednesday, July 8, 2009 comments (0)

A number is taken from user and sum of all even numbers upto that number is calculated.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,sum=0;
cout<<"Please enter a number: ";
cin>>n;
for (int i=1;i<=n;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
if(i%2==0)
sum=sum+i;
else
continue;
}
cout<<sum;
getch();
}
 

write a program to calculate sum of all odd numbers upto n

Posted by snehil comments (1)

A number n is taken from user and sum of all odd numbers upto n is calculated.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,sum=0;
cout<<"Please enter a number: ";
cin>>n;
for (int i=1;i<=n;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
if(i%2!=0)
sum=sum+i;
else
continue;
}
cout<<sum;
getch();
}
 

write a program to displat table of a number

Posted by snehil comments (0)

A number is taken from user and its table upto n is displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,m;
cout<<"Please enter n: ";
cin>>n;
for (int i=1;i<=10;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
m=n*i;
cout<<n<<"*"<<i<<"="<<m<<endl;
}
getch();
}
 

write a profram to calculate power of a number

Posted by snehil comments (0)

A number and power to be calculated is taken from user.Power is calculated.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,x,y=1;
cout<<"Please enter x: ";
cin>>x;
cout<<"Please enter n: ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for (int i=1;i<=n;i++)
y=y*x;
cout<<y;
getch();
}
 

write a program to determine factorial of a number

Posted by snehil comments (0)

A number is taken from user and its factorial is given.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,fac=1;
cout<<"Please enter a number: ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for (int i=1;i<=n;i++)
fac=fac*i;
cout<<fac;

getch();
}
 

write a program to find sum of n numbers

Posted by snehil comments (0)

A number n is taken from user.

Sum of all natural numbers upto n is displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,sum=0;
cout<<"Please enter a number: ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for (int i=1;i<=n;i++)
sum=sum+i;
cout<<sum;

getch();
}
 

write a program to check whether entered number is prime or not

Posted by snehil comments (14)

Prime number: A natural number which has exactly two distinct natural number divisors: 1 and itself.

A number is taken from user and is checked whether prime number or not.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,m;
cout<<"Please enter a number: ";
cin>>n;
for (int i=2;i<=(n-1);i++)
{
if(n%i==0)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
cout<<"Not a prime";
break;
}
else
{
cout<<"Prime";
break;
}
}
getch();
}
 

write a program to display fibonacci series upto n terms

Posted by snehil comments (17)

Fibonacci series:The first two Fibonacci numbers are 0 and 1, and each remaining number is the sum of the previous two

e.g.: 0 1 1 2 3 5 8 13 21 ....

A number n is taken from user and the series is displayed upto nth term.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a=0,b=1,c=0,n;
cout<<"Enter the number of terms you wanna see: ";
cin>>n;
cout<<a<<" "<<b<<" ";
for(int i=1;i<=n-2;i++)
{
c=a+b;
a=b;
b=c;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<c<<" ";
}
getch();
}
 

write a program to check whether entered number is palindrome or not

Posted by snehil comments (4)

Palindrome :A word or phrase that reads the same backward as forward.

A number is taken from user and then checks if the entered number is palindrome or not.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
long int n,rev=0,m,num;
cout<<"please enter a five digit no.: ";
cin>>n;
num=n;
while(n>0)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
m=n%10;
rev=rev*10+m;
n=n/10;
}
cout<<rev<<endl;
if (num==rev)
cout<<"Number is a palindrome";
else
cout<<"Not a palindrome";
getch();
}
 

write a program to reverse digits of a number

Posted by snehil comments (4)

A number is taken from the user number with reverse digits is displayed

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
long int n,rev=0,m;
cout<<"please enter a five digit no.: ";
cin>>n;
while(n>0)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
m=n%10;
rev=rev*10+m;
n=n/10;
}
cout<<rev;
getch();
}
 

write a program to find sum of digits of a number

Posted by snehil comments (0)

A number is taken from user and the sum of the digits is displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,sum=0,m;
cout<<"please enter a five digit no.: ";
cin>>n;
while(n>0)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
m=n%10;
sum=sum+m;
n=n/10;
}
cout<<sum;
getch();
}
 

write a program to diaplay a pyramid as shown:

Posted by snehil comments (0)

The following output is obtained:

    1
   212
  32123
4321234
543212345
543212345
4321234
  32123
   212
    1

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
for (int i=1;i<=5;i++)
{
for(int j=4;j>=i;j--)
cout<<" ";
for(int k=1;k<=i;k++)
cout<<k;
for(k=i-1;k>=1;k--)
cout<<k;
cout<<"\n";
}
for (i=5;i>=1;i--)
{
for(int j=4;j>=i;j--)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<" ";
for(int k=1;k<=i;k++)
cout<<k;
for(k=i-1;k>=1;k--)
cout<<k;
cout<<"\n";
}
getch();
}
 

write a program to diaplay a pyramid as shown:

Posted by snehil comments (0)

Following output is displayed:

    1
   212
  32123
4321234
543212345

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
for (int i=1;i<=5;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{
for(int j=4;j>=i;j--)
cout<<" ";
for(int k=1;k<=i;k++)
cout<<k;
for(k=i-1;k>=1;k--)
cout<<k;
cout<<"\n";
}
getch();
}
 

write a program to diaplay a pyramid as shown:

Posted by snehil comments (0)

The output is displayed as follows:

1
22
333
4444
55555

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
for (int i=1;i<=5;i++)
{
for(int j=1;j<=i;j++)
cout<<i;
cout<<"\n";
}
getch();
}
 

write a program to diaplay a pyramid as shown:

Posted by snehil comments (0)

The following output is displayed:

1
12
123
1234
12345

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
for (int i=1;i<=5;i++)
{
for(int j=1;j<=i;j++)
cout<<j;
cout<<"\n";
}
getch();
}
 

write a program to diaplay a pyramid as shown:

Posted by snehil comments (0)

Following output is obtained:

****
***
**
*

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
for(int i=1;i<=4;i++)
{ for(int j=4;j>=i;j--)
cout<<"*";
cout<<"\n";
}
getch();
}
 

write a program to diaplay a pyramid as shown:

Posted by snehil comments (0)

Following output is obtained:

*
**
***
****

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
for(int i=1;i<=4;i++)
{ for(int j=1;j<=i;j++)
cout<<"*";
cout<<"\n";
}
getch();
}
 

write a program to display numbers from 10 to 1

Posted by snehil comments (0)

numbers from 10 to 1 are displayed...

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
for(int i=10;i>0;i--)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{ cout<<i;
cout<<"\n";
}
getch();
}
 

write a program to display numbers upto even numbers upto 50

Posted by snehil comments (0)

Even numbers upto 50 are displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
for(int i=1;i<=50;i++)
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
{if(i%2==0)
cout<<i;
cout<<"\n";
}
getch();
}
 

write a program to display numbers upto n

Posted by snehil comments (0)

A number n is taken from the user and then numbers from 1 to n is displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int lim;
cout<<"Please enter Limit: ";
cin>>lim;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
for(int i=1;i<=lim;i++)
{ cout<<i;
cout<<"\n";
}
getch();
}
 

Write a program to make a simple calculator

Posted by snehil comments (1)

Two numbers are entered and operation (sum,differnce,multiply,divide) to be performed is asked by the user. result is given according to the operation entered by user. (+,-,*,/)

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int s;
float a,b,r;
char op;
cout<<"Please Enter a no.: ";
cin>>a;
cout<<"Please Enter operation to be performed.:(+,-,*,/,%) ";
cin>>op;
cout<<"Please Enter another no.: ";
cin>>b;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
switch (op)
{
case '+':
r=a+b;
break;
case '-':
r=a-b;
break;
case '*':
r=a*b;
break;
case '/':
r=a/b;
break;
default:
cout<<"Please enter Correct operation :)";
s=0;
}
if(s)
cout<<a<<op<<b<<"="<<r;
getch();
}

Write a program to determine whether a number is even or odd

Posted by snehil comments (0)

A number is taken from user and determined weather even or odd.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n;
cout<<"Enter no.: ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
if(n%2==0)
cout<<"EVEN";
else
cout<<"ODD";
getch();
}
 

write a program to determine whether a number is positive or negative

Posted by snehil comments (0)

A number is taken from user and then determined weather it is positive or negative.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n;
cout<<"Enter no.: ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
if(n>0)
cout<<"+ve";
else
cout<<"-ve";
getch();
}
 

write a program to swap two numbers without using third variable

Posted by snehil Tuesday, July 7, 2009 comments (0)

Two numbers are taken from user and then swapped without using a third variable.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a,b;
cout<<"Enter a: ";
cin>>a;
cout<<"Enter b: ";
cin>>b;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Before swapping:"<<endl;
cout<<"a: "<<a<<" b: "<<b<<endl;
a=a+b;
b=a-b;
a=a-b;
cout<<"After swapping:"<<endl;
cout<<"a: "<<a<<" b: "<<b;
getch();
}
 

write a program to swap two numbers using a third variable

Posted by snehil comments (1)

Two numbers are taken from the user and then swapped using a third variable.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int a,b,c;
cout<<"Enter a: ";
cin>>a;
cout<<"Enter b: ";
cin>>b;
cout<<"Before swapping:"<<endl;
cout<<"a: "<<a<<" b: "<<b<<endl;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
c=a;
a=b;
b=c;
cout<<"After swapping:"<<endl;
cout<<"a: "<<a<<" b: "<<b;
getch();
}
 

write a program to find greatest of two numbers

Posted by snehil comments (0)

Two numbers are taken from user and greatest of two is determined.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
int a,b;
cout<<"Please enter two nos. ";
cin>>a>>b;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
if (a>b)
cout<<"a is greatest";
else
cout<<"b is greatest";
getch();
}
 

Write a program to store consumer number and number of calls and calculate telephone bill accordin to condition

Posted by snehil Monday, July 6, 2009 comments (0)

Take Customer number and no. of calls from user.

Calculate Bill as follows..

If number of calls <=100 : Free

Number of calls >=200 <=300 : 1.40 per call on over 100

Number of calls >=300 <=400 : 140+1.60 per call on over 200

Number of calls >=300 <=400 : 300+1.80 per call on over 300

Number of calls >=400 : 480+2.10 per call on over 400

And Fixed monthly rental: RS 100

And generate bill.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
float id,qty,tot,amt;
cout<<"Enter Customer No.: ";
cin>>id;
cout<<"Please Enter No. of Calls: ";
cin>>qty;
if(qty<=100)
amt=0;
else if(qty>100&&qty<=200)
amt=1.40*(qty-100);
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
else if(qty>200&&qty<=300)
amt=140+1.60*(qty-200);
else if(qty>300&&qty<=400)
amt=300+1.80*(qty-300);
else
amt=480+2.10*(qty-400);
tot=100+amt;
cout<<"\n\n\nCustomer NO.: "<<id<<"\nNo. of Calls: "<<qty<<"\nMonthly Rental: 
INR 100\nTotal amt: INR "<<tot;
getch();
}
 

Write a program to store product number, price of each item, & quantity and calculate total ammount, then find disocunt at 30% and Generate bill

Posted by snehil comments (0)

Product number, price of each item and quantity are taken from the user and dicount and net ammount is calculated.

Bill is Displayed as follows:

Product ID:

Quantity:

Total ammount:

Discount:

Net ammount:

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
int id,qty;
float tot,amt,price,dis;
cout<<"Enter Product ID: ";
cin>>id;
cout<<"Please Enter Quantity: ";
cin>>qty;
cout<<"Please Enter Price per ITEM: INR ";
cin>>price;
tot=qty*price;
dis=.3*tot;
amt=tot-dis;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"\n\n\nProduct ID: "<<id<<"\nQuantity: "<<qty<<"\nPrice Per ITEM: INR 
"<<price<<"\nTotal amt: INR "<<tot<<"\nDiscount @ 30% : INR "<<dis<<"\nNet 
Ammount: INR "<<amt;
getch();
}
 

Write a program to store product ID and sales ammount and calculate discount accordin to condition and calculate net ammount

Posted by snehil Sunday, July 5, 2009 comments (0)

Take Product ID and Sales ammount from user.

Calculated Discount ammount according to condition:

If amt < 5000 then discount = 20%

If ammount >= 5000 And <= 10000 then discount = 30%

otherwise discount= 40%

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
float id,amt,pd,d,net;
cout<<"Please enter product ID: ";
cin>>id;
cout<<"Please enter Sales ammount: ";
cin>>amt;
if (amt<5000)
d=.2*amt;
else if (amt>=5000 && amt<=10000)
d=.3*amt;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
else
d=.4*amt;
net=amt-d;
cout<<"Discount= "<<d;
cout<<"\nNet ammount= "<<net;
getch();
}
 

Write a program to find greatest of three numbers

Posted by snehil comments (1)

Three numbers are taken from user and greatest number is displayed.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
int a,b,c;
cout<<"Please enter three nos. ";
cin>>a>>b>>c;
if (a>b)
{
if (a>c)
cout<<"a is largest";
else
cout<<"c is largest";
}
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
else if (b>c)
cout<<"b is largest";
else
cout<<"c is largest";
getch();
}
 

Write a program to display seconds as Minutes and Hours and days

Posted by snehil comments (0)

write a program that asks the user to enter a number of seconds. obeying the following conditions:

1. there are 60 seconds in a minute. if the number of seconds entered by the is greater than or equal to 60, the program should display the number of minutes in that many seconds.

2. there are 3600 seconds in an hour. if the number of seconds entered by a user is greater than or equal to 3600, the program should display the number of hours in that many seconds.

3. there are 86400 seconds in a day, if the number of seconds entered by the user is greater than or equal to 86400, the program should display the number of days in that many seconds,

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
float secs,mins,hours,days;
cout<<"Enter no. of seconds: ";
cin>>secs;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
mins=secs/60;
hours=secs/3600;
days=secs/86400;
if (secs>=60 && secs<3600)
cout<<"No. of Minutes= "<<mins;
else if (secs>=3600 && secs<86400)
cout<<"No. of Hours= "<<hours;
else if (secs>=86400)
cout<<"No. of Days= "<<days;
else
cout<<"No.of seconds= "<<secs;

getch();
}
 

Write a program to insert number of days from user and calculate number of weeks and remaining days

Posted by snehil comments (0)

Number of days is taken from user and number of weeks and remaining days are given as output.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
int n,d,w;
cout<<"enter Number of days u have:. ";
cin>>n;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
w=n/7;
d=n%7;
cout<<"No.of weeks= "<<w;
cout<<"\nno. of days= "<<d;
getch();
}
 

Write a program to calculate sum of two numbers

Posted by snehil comments (1)

Two numbers are taken from the user and sum is calculated.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
float a,b,s;
cout<<"Please enter a no.: ";
cin>>a;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Please enter another no.: ";
cin>>b;
s=a+b;
cout<<"The sum is: "<<s;

getch();
}
 

Write a program to display the input

Posted by snehil comments (0)

This is an ideal first program for learning "cin"

Two numbers are taken from the user and then displayed as output.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
int a,b;
cout<<"enter first no. ";
cin>>a;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"enter second no. ";
cin>>b;
cout<<"First no. is "<<a;
cout<<"\nSecond no.is "<<b;
getch();
}
 

Write a program to output a messege (without description)

Posted by snehil comments (0)

If the Previous post scares you.. then heres the code without description.. :)

This is an ideal first program.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Hello India";
cout<<"\nThis is my first C++ programme";
getch();
}
 

Write a program to output a messege

Posted by snehil comments (0)

This is an ideal First C++ (CPP) program.

All necessary things are described with in the program in comments.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h> //These are the Header files and are essential..
#include <conio.h> // They varies program to program.
void main() //This is a special type of function.Program starts and ends in MAIN.
{
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
clrscr();  //This clears previous outputs from the output screen
cout<<"Hello India"; //This is responsible for diplaying a messege
cout<<"\nThis is my first C++ programme";
getch(); //This helps to sustain the output on Screen.
}
 

Write a program to find Simple interest

Posted by snehil comments (3)

Principal ammount, rate of Interest and time period is Taken from user and Simple Interest is calculated.

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
float p,r,t,f,s=0;
cout<<"Please enter Principle ammount ";
cin>>p;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cout<<"Please enter rate of Interest. ";
cin>>r;
cout<<"Please enter Time Period ";
cin>>t;
f=p*r*t;
s=f/100;
cout<<"The Simple iterest is "<<s;
getch();
}
 

Write a program to find average of three numbers

Posted by snehil comments (0)

Three numbers are taken(Input) from the user and avg of these three nos. is calculated(Output).

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
int a,b,c,d,avg;
cout<<"enter a no. ";
cin>>a;
cout<<"enter another no. ";
cin>>b;
cout<<"enter another nos ";
cin>>c;
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
d=a+b;
avg=d/3;
cout<<"The average is "<<s;
getch();
}
 

Write a program to find area of a circle

Posted by snehil comments (1)

Radius of circle is taken from user and Area is calculated

Select To use this code as it is.. select and copy paste this code into code.cpp file :)

#include <iostream.h>
#include <conio.h>
void main()
{
clrscr();
float r,a;
cout<<"enter radius ";
//Coding by: Snehil Khanor
//http://WapCPP.blogspot.com
cin>>r;
a=3.14*r*r;
cout<<"The area is "<<a;
getch();
}
 

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