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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#480514#5141. Identical ParityFluoresce#WA 9ms3676kbC++20905b2024-07-16 16:17:392024-07-16 16:17:40

Judging History

你现在查看的是最新测评结果

  • [2024-07-16 16:17:40]
  • 评测
  • 测评结果:WA
  • 用时:9ms
  • 内存:3676kb
  • [2024-07-16 16:17:39]
  • 提交

answer

#include<bits/stdc++.h>
#include<unordered_map>
typedef long long ll;
typedef long double ld;
#define debug(a) cout<<a<<'\n'
#define Pll pair<ll,ll>
#define PII pair<int,int>
#define ft first
#define sd second
#define vec vector
using namespace std;
const int N = 5e5 + 10, M = 1e7, mod = 1e9 + 7;
const ll inf = 1e18;
const ld eps = 1e-8;
ll n, m, k;


int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
#ifndef ONLINE_JUDGE
	streambuf* cinbackup = cin.rdbuf(), * coubackup = cout.rdbuf();
	ifstream fin("in.txt");
	ofstream fout("out.txt");
	cin.rdbuf(fin.rdbuf());
	cout.rdbuf(fout.rdbuf());
#endif
	ll x, y, z;
	int t;
	cin >> t;
	string s;
	while (t--) {
		cin >> n >> k;
		if (k % 2 == 0) {
			cout << "Yes\n";
		}
		else {
			x = (k-1) / 2+1;
			y = x * k;
			if (n > x + y-1)cout << "No\n";
			else cout << "Yes\n";
		}
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3676kb

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: 3624kb

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
Yes
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
Yes
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
Y...

result:

wrong answer expected NO, found YES [18th token]