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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#639690#5141. Identical ParityLyniaWA 0ms3560kbC++233.2kb2024-10-13 21:34:502024-10-13 21:34:50

Judging History

你现在查看的是最新测评结果

  • [2024-10-13 21:34:50]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3560kb
  • [2024-10-13 21:34:50]
  • 提交

answer

///////////        
//                   //      //
//              ////////////////////
//                   //      //
//                 
///////////

//          
//          
//           //     //    ////////     /\     /////////
//           //     //   //      //          //       //
//            ////////   //      //    //    //       //
//                  //   //      //    //    //       //
//////////   ////////    //      //    //     /////////////

#pragma GCC optimize(2)
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <string>
#include <cstring>
#include <cmath>
#include <list>
#include <stack>
#include <array>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <random>
#include <numeric>
#include <functional>
//#include <Windows.h>

using namespace std;

#define fa(i,op,n) for (int i = op; i <= n; i++)
#define fb(j,op,n) for (int j = op; j >= n; j--)
#define pb push_back
#define HashMap unordered_map
#define HashSet unordered_set
#define var auto
#define all(i) i.begin(), i.end()
#define endl '\n'
#define px first
#define py second
#define DEBUG cout<<-1<<endl

using VI = vector<int>;
using VL = vector<long long>;
using ll = long long;
using ull = unsigned long long;
using db = double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

template<class T1, class T2>
ostream& operator<<(ostream& out, const pair<T1, T2>& p) {
	out << '(' << p.first << ", " << p.second << ')';
	return out;
}

template<typename T>
ostream& operator<<(ostream& out, const vector<T>& ve) {
	for (T i : ve)
		out << i << ' ';
	return out;
}

template<class T1, class T2>
ostream& operator<<(ostream& out, const map<T1, T2>& mp) {
	for (auto i : mp)
		out << i << '\n';
	return out;
}

const int INF = 0x3f3f3f3f;
const ll LNF = 0x3f3f3f3f3f3f3f3f;
const int IINF = 0x7fffffff;
const int iinf = 0x80000000;
const ll LINF = 0x7FFFFFFFFFFFFFFF;
const ll linf = 0x8000000000000000;
int dx[8] = { 1, -1, 0, 0, 1, -1, 1, -1 };
int dy[8] = { 0, 0, 1, -1, 1, -1, -1, 1 };

//#include "Lynia.h"

const int mod = 998244353;
const int N = 5e3 + 10;

void solve(int CASE)
{
	ll n, k; cin >> n >> k;

	var check = [&]() -> bool {
		if (n == 1 && k == 1) return true;
		if (k == 1) return false;
		//if (k % 2 == 0) return true;
		//if (n < k * 2) return true;
		//if (n % k == 0) return false;

		if (n & 1) {
			ll mor = n / k - 1;
			ll bu = k / 2;
			if (mor <= bu) {
				if (n - n / k * k < mor)return 0;
				ll sheng = n - mor - n / k * k;

				if (sheng / 2 <= (k / 2 - mor))return 1;
				else return 0;
			}
			else return 0;
		}
		else {
			ll mor = n / k;
			ll bu = k / 2;
			if (mor <= bu) {
				if (n - n / k * k < mor)return 0;
				ll sheng = n - mor - n / k * k;

				if (sheng / 2 <= (k / 2 - mor))return 1;
				else return 0;
			}
			else return 0;
		}
		return true;
		};

	if (check())cout << "Yes" << endl;
	else cout << "No" << endl;
	return;
}

int main()
{
	//SetConsoleOutputCP(CP_UTF8);
	ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	int _ = 1;
	cin >> _;
	fa(i, 1, _)solve(i);
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3560kb

input:

3
3 1
4 2
5 3

output:

No
No
Yes

result:

wrong answer expected YES, found NO [2nd token]