817A - Treasure Hunt - CodeForces Solution

implementation math number theory *1200

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Python Code: 

x1, y1, x2, y2 = map(int, input().split(" "))
x, y = map(int, input().split(" "))

if abs(x2 - x1) % x == 0 and abs(y2 - y1) % y == 0:
    if ((abs(x2 - x1) / x) % 2) == ((abs(y2 - y1) / y) % 2):
        print("YES")
    else:
        print("NO")
else:
    print("NO")

C++ Code: 

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

int main ()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
   
    int x,y,a,b;
    cin >> x >> y >> a >> b;
    
    int t1 ,t2;
    cin >> t1 >> t2;
    
    int f = 0;
    
    if(abs(a-x)%t1!=0||abs(b-y)%t2!=0)
        f = 0;
    else
    {
    	 int ans1 = abs(a-x) / t1;
         int ans2 = abs(b-y) / t2;
    
        if(ans1%2==0 && ans2%2==0)
            f = 1;
        if (ans1%2!=0 && ans2%2!=0 )
            f = 1;
    }
   
    if(f)
    cout << "YES";
    else
    cout << "NO";
}


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