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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
#748556#5141. Identical ParityBIOSOIBWA 9ms3696kbC++201.1kb2024-11-14 20:41:372024-11-14 20:41:38

Judging History

你现在查看的是最新测评结果

  • [2024-11-14 20:41:38]
  • 评测
  • 测评结果:WA
  • 用时:9ms
  • 内存:3696kb
  • [2024-11-14 20:41:37]
  • 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
            {
                if (k == 1)
                    cout << "No\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))
                        {
                            if ((a - b) / 2 + b <= (k / 2))
                                cout << "Yes\n";
                            else
                                cout << "No\n";
                        }
                        else
                            cout << "No\n";
                    }
                }
            }
        }
    }
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3696kb

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: 3604kb

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
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
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
N...

result:

wrong answer expected YES, found NO [24th token]