QOJ.ac
QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #190751 | #5141. Identical Parity | chroneZ | WA | 9ms | 3364kb | C++17 | 727b | 2023-09-29 13:47:26 | 2023-09-29 13:47:26 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
constexpr int inf = 1e9;
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 x1 = ((n + 1) / 2) % (n / k);
int x2 = (n / 2) % (n / k);
if(x1 + x2 > n % k) {
cout << "No\n";
return;
}
if((n % k - (x1 + x2)) % (n / k + 1) == 0) {
cout << "Yes\n";
} else {
cout << "No\n";
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
int T; cin >> T;
while(T--) {
solve();
}
}
/*
Author: chroneZ
Start thinking at
Start coding at
Finish debugging at
*/
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3364kb
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: 3316kb
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 No Yes No Yes Yes Yes Yes No Yes No Yes No Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes No Yes No Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes No Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes N...
result:
wrong answer expected YES, found NO [9th token]