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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#313698	#5141. Identical Parity	Detach	WA	9ms	3696kb	C++17	807b	2024-01-24 22:21:13	2024-01-24 22:21:15

Judging History

你现在查看的是最新测评结果

[2024-01-24 22:21:15]
评测

测评结果：WA
用时：9ms
内存：3696kb

查看

[2024-01-24 22:21:13]
提交

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 / k ? "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;
}

Source code, Language: C++17

Details

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Test #1:

score: 100

Accepted

time: 1ms

memory: 3676kb

input:

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: 3696kb

input:

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]