675A Codeforces - Infinite Sequence

675A Codeforces

Link : http://codeforces.com/problemset/problem/675/A

Solution in c++

#include <bits/stdc++.h>
using namespace std;

long long int a,b,c;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>a>>b>>c;b-=a;
    if( (b==0) || (c!=0 && b%c==0) && ( (b>=0 && c>=0)||(b<=0 && c<=0)) )cout<<"YES";
    else cout<<"NO";
}

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About Mohamed Sobhi

My name is Mo.Sobhy ,I study at School excelling high school in Ain Shams ,Cairo
My hobbies is programming ,and web development ,playing chess and writing horror stories.