Write a program to count number of words in a line

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 :)

1. #include<iostream.h>
2. #include<conio.h>
3. #include<stdio.h>
4. void main()
5. {
6. clrscr();
7. char str[100];
8. int w=1;
9. cout<<"Please enter a String: ";
10. gets(str);
11. //Coding by: Snehil Khanor
12. //http://WapCPP.blogspot.com
13. for (int i=0;str[i]!='\0';i++)
14. {
15. if(str[i]==' ')
16. w++;
17. }
18. cout<<"There are "<<w<<" words.";
19. getch();
20. }

Write a program to find area of a circle

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 :)

1. #include <iostream.h>
2. #include <conio.h>
3. void main()
4. {
5. clrscr();
6. float r,a;
7. cout<<"enter radius ";
8. //Coding by: Snehil Khanor
9. //http://WapCPP.blogspot.com
10. cin>>r;
11. a=3.14*r*r;
12. cout<<"The area is "<<a;
13. getch();
14. }