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2299. [HAOI2011]向量

https://hydro.ac/d/bzoj/record/63a46049cf75a716a1673aee
This commit is contained in:
Baoshuo Ren 2022-12-22 21:49:09 +08:00
parent 47ffa5ada6
commit 0dc2cb7fe2
Signed by: baoshuo
GPG Key ID: 00CB9680AB29F51A
23 changed files with 96 additions and 0 deletions

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#include <iostream>
#include <algorithm>
using std::cin;
using std::cout;
const char endl = '\n';
int t, a, b, x, y;
int main() {
std::ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> t;
while (t--) {
cin >> a >> b >> x >> y;
int g = std::__gcd(a, b) * 2;
a %= g, b %= g, x %= g, y %= g;
auto check = [&](int x, int y) -> bool {
return x % g == 0 && y % g == 0;
};
cout << (check(x, y) || check(x + a, y + b) || check(x + b, y + a) || check(x + a + b, y + a + b) ? "Y" : "N") << endl;
}
return 0;
}

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