Sum of Even Numbers till N

Given a number N, print sum of all even numbers from 1 to N.

Input Format :

Integer N

Output Format :

Required Sum 

Sample Input 1 :

 6

Sample Output 1 :

12

code

#include<iostream>
using namespace std;
int main()
{
 
      int n,i,sum=0;
      cin>>n;
      for(i=2 ; i<=n ; i+=2)
      {
        
         sum += i;
         
       }
       cout << sum <<endl;
}

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Milan Tomic

Hi. I’m Designer of Blog Magic. I’m CEO/Founder of ThemeXpose. I’m Creative Art Director, Web Designer, UI/UX Designer, Interaction Designer, Industrial Designer, Web Developer, Business Enthusiast, StartUp Enthusiast, Speaker, Writer and Photographer. Inspired to make things looks better.

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