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

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. char str[10];
7. int v=0;
8. cout<<"Please enter a string: ";
9. cin>>str;
10. //Coding by: Snehil Khanor
11. //http://WapCPP.blogspot.com
12. for(int i=0;str[i]!='\0';i++)
13. {
14. 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')
15. v++;
16. }
17. cout<<v<<" Number of Vowels are there.";
18. getch();
19. }

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

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. char x;
7. cout<<"Please enter a character: ";
8. cin>>x;
9. //Coding by: Snehil Khanor
10. //http://WapCPP.blogspot.com
11. if(x>='A'&&x<='Z')
12. cout<<x<<" is in UPPER CASE:)";
13. else
14. cout<<x<<" is in lower case :)";
15. getch();
16. }

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

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. //Coding by: Snehil Khanor
7. //http://WapCPP.blogspot.com
8. char x;
9. cout<<"Please enter a character: ";
10. cin>>x;
11. if(x=='a'||x=='A'||x=='e'||x=='E'||x=='i'||x=='I'||x=='o'||x=='O'||x=='u'||x=='U')
12. cout<<x<<" is a Vowel :)";
13. else
14. cout<<x<<" is a consonant :)";
15. getch();
16. }

Write a program to find transpose of a matrix

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. int a[10][10],m,n,i,j;
7. cout<<"Enter number of rows: ";
8. cin>>m;
9. cout<<"Enter number of coloumns: ";
10. cin>>n;
11. //Coding by: Snehil Khanor
12. //http://WapCPP.blogspot.com
13. if(m!=n)
14. {
15. cout<<"Matrix not square so Transpose not possible :(";
16. }
17. else
18. {
19. cout<<endl<<"Enter elements of matrix: "<<endl;
20. for(i=0;i<m;i++)
21. {
22. for(j=0;j<n;j++)
23. {
24. cout<<"Enter element a"<<i+1<<j+1<<": ";
25. cin>>a[i][j];
26. }
27. }
28. cout<<endl<<"Displaying Matrix: "<<endl<<endl;
29. for(i=0;i<m;i++)
30. {
31. for(j=0;j<n;j++)
32. {
33. cout<<a[i][j]<<" ";
34. }
35. cout<<endl<<endl;
36. }
37. cout<<endl<<"Displaying Matrix Transpose: "<<endl<<endl;
38. for(i=0;i<m;i++)
39. {
40. for(j=0;j<n;j++)
41. {
42. cout<<a[j][i]<<" ";
43. }
44. cout<<endl<<endl;
45. }
46. }
47. getch();
48. }

Write a program for multiplication of two matrices

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. int a[10][10],b[10][10],c[10][10],m,n,o,p,i,j;
7. cout<<"Enter number of rows of A: ";
8. cin>>m;
9. cout<<"Enter number of coloumns of A: ";
10. cin>>n;
11. cout<<endl<<"Enter elements of matrix A: "<<endl;
12. //Coding by: Snehil Khanor
13. //http://WapCPP.blogspot.com
14. for(i=0;i<m;i++)
15. {
16. for(j=0;j<n;j++)
17. {
18. cout<<"Enter element a"<<i+1<<j+1<<": ";
19. cin>>a[i][j];
20. }
21. }
22. cout<<endl<<"Enter number of rows of B: ";
23. cin>>o;
24. cout<<"Enter number of coloumns of B: ";
25. cin>>p;
26. cout<<endl<<"Enter elements of matrix B: "<<endl;
27. for(i=0;i<o;i++)
28. {
29. for(j=0;j<p;j++)
30. {
31. cout<<"Enter element b"<<i+1<<j+1<<": ";
32. cin>>b[i][j];
33. }
34. }
36. cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
37. for(i=0;i<m;i++)
38. {
39. for(j=0;j<n;j++)
40. {
41. cout<<a[i][j]<<" ";
42. }
43. cout<<endl<<endl;
44. }
45. cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
46. for(i=0;i<o;i++)
47. {
48. for(j=0;j<p;j++)
49. {
50. cout<<b[i][j]<<" ";
51. }
52. cout<<endl<<endl;
53. }
54. if(n==o)
55. {
56. for(i=0;i<m;i++)
57. {
58. for(j=0;j<p;j++)
59. {
60. c[i][j]=0;
61. for(int k=0;k<n;k++)
62. {
63. c[i][j]=c[i][j]+a[i][k]*b[k][j];
64. }
65. }
66. }
67. cout<<endl<<"Matrix A * Matrix B = Matrix C: "<<endl<<endl;
68. for(i=0;i<m;i++)
69. {
70. for(j=0;j<p;j++)
71. {
72. cout<<c[i][j]<<" ";
73. }
74. cout<<endl<<endl;
75. }
76. }
77. else
78. cout<<"Multiplication not possible :(";
79. getch();
80. }

Write a program to find Difference of two matrix

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. int a[10][10],b[10][10],c[10][10],m,n,i,j;
7. cout<<"Enter number of rows: ";
8. cin>>m;
9. cout<<"Enter number of coloumns: ";
10. cin>>n;
11. cout<<endl<<"Enter elements of matrix A: "<<endl;
12. //Coding by: Snehil Khanor
13. //http://WapCPP.blogspot.com
14. for(i=0;i<m;i++)
15. {
16. for(j=0;j<n;j++)
17. {
18. cout<<"Enter element a"<<i+1<<j+1<<": ";
19. cin>>a[i][j];
20. }
21. }
22. cout<<endl<<"Enter elements of matrix B: "<<endl;
23. for(i=0;i<m;i++)
24. {
25. for(j=0;j<n;j++)
26. {
27. cout<<"Enter element b"<<i+1<<j+1<<": ";
28. cin>>b[i][j];
29. }
30. }
31. //Coding by: Snehil Khanor
32. //http://WapCPP.blogspot.com
33. cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
34. for(i=0;i<m;i++)
35. {
36. for(j=0;j<n;j++)
37. {
38. cout<<a[i][j]<<" ";
39. }
40. cout<<endl<<endl;
41. }
42. cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
43. for(i=0;i<m;i++)
44. {
45. for(j=0;j<n;j++)
46. {
47. cout<<b[i][j]<<" ";
48. }
49. cout<<endl<<endl;
50. }
51. cout<<endl<<"Matrix A - Matrix B = Matrix C: "<<endl<<endl;
52. for(i=0;i<m;i++)
53. {
54. for(j=0;j<n;j++)
55. {
56. cout<<a[i][j]-b[i][j]<<" ";
57. }
58. cout<<endl<<endl;
59. }
60. getch();
61. }

Write a program to find sum matrix of two matrix

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. int a[10][10],b[10][10],c[10][10],m,n,i,j;
7. cout<<"Enter number of rows: ";
8. cin>>m;
9. cout<<"Enter number of coloumns: ";
10. cin>>n;
11. cout<<endl<<"Enter elements of matrix A: "<<endl;
12. for(i=0;i<m;i++)
13. {
14. for(j=0;j<n;j++)
15. {
16. cout<<"Enter element a"<<i+1<<j+1<<": ";
17. cin>>a[i][j];
18. }
19. }
20. cout<<endl<<"Enter elements of matrix B: "<<endl;
21. //Coding by: Snehil Khanor
22. //http://WapCPP.blogspot.com
23. for(i=0;i<m;i++)
24. {
25. for(j=0;j<n;j++)
26. {
27. cout<<"Enter element b"<<i+1<<j+1<<": ";
28. cin>>b[i][j];
29. }
30. }
32. cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
33. for(i=0;i<m;i++)
34. {
35. for(j=0;j<n;j++)
36. {
37. cout<<a[i][j]<<" ";
38. }
39. cout<<endl<<endl;
40. }
41. cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
42. for(i=0;i<m;i++)
43. {
44. for(j=0;j<n;j++)
45. {
46. cout<<b[i][j]<<" ";
47. }
48. cout<<endl<<endl;
49. }
50. cout<<endl<<"Matrix A + Matrix B = Matrix C: "<<endl<<endl;
51. for(i=0;i<m;i++)
52. {
53. for(j=0;j<n;j++)
54. {
55. cout<<a[i][j]+b[i][j]<<" ";
56. }
57. cout<<endl<<endl;
58. }
60. getch();
61. }

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

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. int a[10][10],m,n,i,j;
7. cout<<"Enter number of rows: ";
8. cin>>m;
9. cout<<"Enter number of coloumns: ";
10. cin>>n;
11. cout<<endl<<"Enter elements of matrix: "<<endl;
12. //Coding by: Snehil Khanor
13. //http://WapCPP.blogspot.com
14. for(i=0;i<m;i++)
15. {
16. for(j=0;j<n;j++)
17. {
18. cout<<"Enter element a"<<i+1<<j+1<<": ";
19. cin>>a[i][j];
20. }
21. }
22. cout<<endl<<"Displaying Matrix: "<<endl<<endl;
23. for(i=0;i<m;i++)
24. {
25. for(j=0;j<n;j++)
26. {
27. cout<<a[i][j]<<" ";
28. }
29. cout<<endl<<endl;
30. }
31. getch();
32. }

Write a program to Insert and Delete elemnt of an array

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 :)

1. #include<conio.h>
2. #include<iostream.h>
3. void main()
4. {
5. clrscr();
6. int a[100],i,pos,num,item,size;
7. cout<<"How many element: ";
8. cin>>size;
9. cout<<"Enter the elements of array: "<<endl;
10. for(i=0;i<size;i++)
11. cin>>a[i];
12. cout<<endl;
13. cout<<"Now Array is: "<<endl;
14. for(i=0;i<size;i++)
15. cout<<"Element at position "<<i+1<<" is "<<a[i]<<endl;
16. cout<<endl<<"Press any key to add another element"<<endl<<endl;
17. getch();
19. //Coding by: Snehil Khanor
20. //http://WapCPP.blogspot.com
21. cout<<"Enter another element: ";
22. cin>>num;
23. cout<<"Enter position number: ";
24. cin>>pos;
25. cout<<endl;
26. --pos;
27. for(i=size;i>=pos;i--)
28. a[i+1]=a[i];
29. a[pos]=num;
30. size++;
31. cout<<"New Array: "<<endl;
32. for(i=0;i<size;i++)
33. cout<<"Element at position "<<i+1<<" is "<<a[i]<<endl;
34. cout<<endl<<"Press any key to delete any element"<<endl<<endl;
35. getch();
38. //Coding by: Snehil Khanor
39. //http://WapCPP.blogspot.com
40. cout<<"Enter position number to delete: ";
41. cin>>pos;
42. --pos;
43. item=a[pos];
44. for(i=pos;i<size;i++)
45. a[i]=a[i+1];
46. size--;
47. cout<<"Deleted element: "<<item<<endl;
48. cout<<endl<<"New array: "<<endl;
49. for(i=0;i<size;i++)
50. cout<<"Element at position "<<i+1<<" is "<<a[i]<<endl;
51. getch();
52. }

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

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 :)

1. #include<conio.h>
2. #include<iostream.h>
3. void main()
4. {
5. clrscr();
6. int a[100],i,n,j,temp;
7. cout<<"How many element: ";
8. cin>>n;
9. cout<<"Enter the elements of array: "<<endl;
10. for(i=0;i<n;i++)
11. cin>>a[i];
12. cout<<"The elements of array Before Sorting: "<<endl;
13. //Coding by: Snehil Khanor
14. //http://WapCPP.blogspot.com
15. for(i=0;i<n;i++)
16. cout<<a[i]<<" ";
17. cout<<endl;
18. for(i=0;i<n;i++)
19. {
20. for(j=0;j<n-1-i;j++)
21. {
22. if(a[j]>a[j+1])
23. {
24. temp=a[j];
25. a[j]=a[j+1];
26. a[j+1]=temp;
27. }
28. }
29. }
30. cout<<"Elements of array After Sorting: "<<endl;
31. for(i=0;i<n;i++)
32. cout<<a[i]<<" ";
33. getch();
34. }