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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#638365#5141. Identical ParityLyniaWA 9ms3660kbC++231.6kb2024-10-13 15:44:412024-10-13 15:44:42

Judging History

你现在查看的是最新测评结果

  • [2024-10-13 15:44:42]
  • 评测
  • 测评结果:WA
  • 用时:9ms
  • 内存:3660kb
  • [2024-10-13 15:44:41]
  • 提交

answer

#include<bits/stdc++.h>
#define fa(i,op,n) for(int i=op;i<=n;i++)
#define fb(i,op,n) for(int i=op;i>=n;i--)
#define endl '\n'
#define pb push_back
#define var auto
using namespace std;
using ll = long long;
using pii = pair<int, int>;

const int N = 1e6 + 10;
const double eps = 1e-5;
ll n, k;

bool solve() 
{
	cin >> n >> k;
	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(1){
		// ll r = n%k;
		// if(r == 0) return 0;
		// ll x1 = (k+1)/2*1ll*(n/k);
		// ll x2 = k/2*1ll*(n/k);
		// if(n%2){
			// double res = (r-1)*1.0/(n/k),res1 = (r+1)*1.0/(n/k);
			// if((r-1)/(n/k)%2 == 1&&fabs(res-(r-1)/(n/k))<=eps){
				// return 1;
			// }
			// if((r+1)/(n/k)%2 == 1&&fabs(res1-(r+1)/(n/k))<=eps){
				// return 1;
			// }
			// return 0;
		// }else{
			// double res = (r)*1.0/(n/k);
			// if(fabs(res-(r)/(n/k))<=eps&&(r)/(n/k)%2 == 1){
				// return 1;
			// }
			// return 0;
		// }
	// }
	if(n & 1){
		ll mor = n / k - 1;
		ll bu = k / 2;
		if(mor <= bu){
			ll sheng = max(n - n / k * k - bu,1ll);
			if(sheng == 1)return 1;
			else return 0;
		}
		else return 0;
	}else{
		ll mor = n / k;
		ll bu = k / 2;
		if(mor <= bu){
			ll sheng = max(n - n / k * k - bu,0ll);
			if(sheng == 0)return 1;
			else return 0;
		}
		else return 0;
	}
	return true;
}
int main() {
	ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	int _ = 1;
	cin >> _;
	while (_--)
	{
		if (solve()) cout << "Yes\n";
		else cout << "No\n";
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3656kb

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: 9ms
memory: 3660kb

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
No
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
Yes...

result:

wrong answer expected YES, found NO [160th token]