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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
#185175#5141. Identical ParityPhantomThreshold#WA 7ms3708kbC++14550b2023-09-21 18:28:252023-09-21 18:28:25

Judging History

你现在查看的是最新测评结果

  • [2023-09-21 18:28:25]
  • 评测
  • 测评结果:WA
  • 用时:7ms
  • 内存:3708kb
  • [2023-09-21 18:28:25]
  • 提交

answer

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

typedef long long ll;

bool solve(ll n,ll k){
	ll q=n/k;
	ll r=n%k;
	ll mid=(n+1)/2;
	
	ll lim=min(mid/(q+1),r);
	ll rest=mid%q;
	if (rest>lim) return false;
	ll A=rest+(lim-rest)/q;
	ll B=mid-A*(q+1);
	if (B<0 || B%q!=0) return false;
	return true;
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int Tcase=1;
	cin >> Tcase;
	for (;Tcase--;){
		ll n,k;
		cin >> n >> k;
		if (solve(n,k)) cout << "Yes" << "\n";
		else cout << "No" << "\n";
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3680kb

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: 7ms
memory: 3708kb

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
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes...

result:

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