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

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 :)



  1. #include<iostream.h>
  2. #include<conio.h>
  3. void main()
  4. {
  5. clrscr();
  6. int n,sum=0;
  7. cout<<"Please enter a number: ";
  8. cin>>n;
  9. for (int i=1;i<=n;i++)
  10. //Coding by: Snehil Khanor
  11. //http://WapCPP.blogspot.com
  12. {
  13. if(i%2==0)
  14. sum=sum+i;
  15. else
  16. continue;
  17. }
  18. cout<<sum;
  19. getch();
  20. }

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