QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #748556 | #5141. Identical Parity | BIOSOIB | WA | 9ms | 3696kb | C++20 | 1.1kb | 2024-11-14 20:41:37 | 2024-11-14 20:41:38 |
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 (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";
}
}
}
}
}
}
Details
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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]