QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #237886 | #5141. Identical Parity | tselmegkh# | WA | 4ms | 3584kb | C++17 | 608b | 2023-11-04 15:16:55 | 2023-11-04 15:16:57 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void solve() {
int n, k;
cin >> n >> k;
if (k == 1) {
cout << (n == 1 ? "Yes" : "No") << "\n";
return;
}
if (k % 2 == 0) {
cout << "Yes\n";
return;
}
int a = n / k;
int b = 2;
int c = (n % 2) - n % k;
if (abs(c) % gcd(a, b) == 0) {
cout << "Yes\n";
} else {
cout << "No\n";
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--) {
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3544kb
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: 4ms
memory: 3584kb
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 Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes...
result:
wrong answer expected NO, found YES [18th token]