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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 |
---|---|---|---|---|---|---|---|---|---|
#313693 | #5141. Identical Parity | Detach | WA | 10ms | 3628kb | C++17 | 814b | 2024-01-24 22:18:27 | 2024-01-24 22:18:27 |
Judging History
answer
#include <bits/stdc++.h>
// #include <algorithm>
// #include <queue>
// #include <map>
// #include <iostream>
// #include <string>
// #include <set>
#define endl '\n'
using namespace std;
using LL = long long;
using PII = pair<int, int>;
using i128 = __int128_t;
using ULL = unsigned long long;
const int INF = 0x3f3f3f3f, MOD = 1e9 + 7, N = 1e6 + 5;
const LL LINF = 0x3f3f3f3f3f3f3f3f;
void solve()
{
LL n, k;
cin >> n >> k;
if(k == 1 and n != 1) cout << "No" << endl;
else
{
cout << ((n + 1 >> 1) > n - 2 * k + 1 ? "Yes" : "No") << endl;
}
}
int main()
{
// freopen("galactic.in", "r", stdin);
ios::sync_with_stdio(false), cin.tie(nullptr);
int T = 1;
cin >> T;
while(T -- )
solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3628kb
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: 3552kb
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 No Yes Yes Yes Yes No No Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes Yes No No No Yes Yes Yes Yes Yes Yes Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No ...
result:
wrong answer expected YES, found NO [17th token]