QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #748465 | #5141. Identical Parity | BIOSOIB | WA | 10ms | 3664kb | C++20 | 975b | 2024-11-14 20:28:29 | 2024-11-14 20:28:30 |
Judging History
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 (k == 1)
{
if (n > 1)
cout << "No\n";
else
cout << "Yes\n";
continue;
}
if (2 * k >= n + 1)
cout << "Yes\n";
else
{
int a = n % k, b = k / 2;
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: 3664kb
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: 10ms
memory: 3616kb
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 Yes 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 NO, found YES [48th token]