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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#748432#5141. Identical ParityBIOSOIBWA 6ms3652kbC++20768b2024-11-14 20:23:332024-11-14 20:23:33

Judging History

你现在查看的是最新测评结果

  • [2024-11-14 20:23:33]
  • 评测
  • 测评结果:WA
  • 用时:6ms
  • 内存:3652kb
  • [2024-11-14 20:23:33]
  • 提交

answer

#include <iostream>
using namespace std;
int t, n, k;
int main()
{
    ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
    cin >> t;
    while (t--)
    {
        cin >> n >> k;
        if (k % 2 == 0)
            cout << "Yes\n";
        else
        {
            if (2 * k >= n + 1)
                cout << "Yes\n";
            else
            {
                int a = n % k, b = n / k;
                if (a < b)
                    cout << "No\n";
                else
                {
                    if ((a % 2 == 1 && b % 2 == 1) || (a % 2 == 0 && b % 2 == 0))
                        cout << "Yes\n";
                    else
                        cout << "No\n";
                }
            }
        }
    }
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3652kb

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: 6ms
memory: 3600kb

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
No
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
No
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 [24th token]