C++ - VERY-EASY - PART004-Sum of even numbers from M to N

  Two numbers M and N are passed as the input. The program must print the sum of even numbers from M to N (inclusive of M and N).

Input Format:

The first line denotes the value of M

The second line denotes the value of N

Output Format:

Sum of even numbers from M to N (inclusive of M and N).

Boundary Conditions:

1 <= M <= 9999999

M < N <= 9999999

Example Input/Output 1:

Input:

2

11

Output:

30

Explanation:

The even numbers from 2 to 11 are 2 4 6 8 10

Their sum is 30.

Example Input/Output 2:

Input:

189

200

Output:

1170

CODE:

#include <bits/stdc++.h>

using namespace std;

int main()

{int a,b;

cin>>a>>b;

int s=0;

for(int i=a;i<=b;i++)

{

if(i%2==0)

s+=i;

}

    cout<<s;

return 0;

}