QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#778034#5141. Identical ParityBicycle_23#WA 10ms3608kbC++17787b2024-11-24 12:15:292024-11-24 12:15:31

Judging History

你现在查看的是最新测评结果

  • [2024-11-24 12:15:31]
  • 评测
  • 测评结果:WA
  • 用时:10ms
  • 内存:3608kb
  • [2024-11-24 12:15:29]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'

typedef pair<int , int> PII;

const int N = 1e5 + 10;

void solve()
{
	int n , k;
	cin >> n >> k;
	if(n == k)
	{
		cout << "YES" << endl;
		return;
	}
	if(k == 1)
	{
		cout << "NO" << endl;
		return;
	}
	if(!(k & 1))
	{
		cout << "YES" << endl;
		return;
	}
	else
	{
		int a = n / k - 1;	//补的0
		int cnt = k >> 1;	//0的个数
		int x = n % k;		//剩下的
		// cout << a << ' ' << cnt << ' ' << x << endl;
		if(x != 0 && cnt >= a && x >= a)
		{
			cout << "YES" << endl;
			return;
		}
	}
	cout << "NO" << endl;
}

signed main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int T = 1;
	cin >> T;
	while(T --)
		solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3596kb

input:

3
3 1
4 2
5 3

output:

NO
YES
YES

result:

ok 3 token(s): yes count is 2, no count is 1

Test #2:

score: -100
Wrong Answer
time: 10ms
memory: 3608kb

input:

100000
1 1
2 1
2 2
3 1
3 2
3 3
4 1
4 2
4 3
4 4
5 1
5 2
5 3
5 4
5 5
6 1
6 2
6 3
6 4
6 5
6 6
7 1
7 2
7 3
7 4
7 5
7 6
7 7
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
10 1
10 2
10 3
10 4
10 5
10 6
10 7
10 8
10 9
10 10
11 1
11 2
11 3
11 4
11 5
11 6
11 7
11 8
11 9
11 10
11 11
12 1
...

output:

YES
NO
YES
NO
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YE...

result:

wrong answer expected NO, found YES [31st token]