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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
#690037#5141. Identical ParityIsacBieber#WA 9ms3720kbC++232.3kb2024-10-30 19:56:452024-10-30 19:56:45

Judging History

你现在查看的是最新测评结果

  • [2024-10-30 19:56:45]
  • 评测
  • 测评结果:WA
  • 用时:9ms
  • 内存:3720kb
  • [2024-10-30 19:56:45]
  • 提交

answer

#include <bits/stdc++.h>
// #include<bits/extc++.h>
#define endl '\n'
#define eps 1e-7
#define pb push_back
#define eb emplace_back
#define debug(x) cerr << #x << ": " << x << '\n';
// using namespace __gnu_pbds;
using namespace std;
using ll = long long;
using ld = long double;
using pll = pair<ll, ll>;
using pii = pair<int, int>;
using ull = unsigned long long;
const int N = 1e6 + 5, MOD = 1e9 + 7;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());
int n, k, a[N], s[N];
int ans[N];
void isac()
{

    cin >> n >> k;
    // int l1 = n/k , l2 = n/k + 1, c1 = k - (n % k), c2 = n % k;
    // // k = 3;
    // for (k = 1; k <= n; k++)
    // {
    //     for (int i = 1; i <= n; i++) a[i] = i;
    //     bool g = 0;
    //     do
    //     {
    //         vector<int> v;
    //         for (int i = 1; i <= n; i++)
    //             s[i] = s[i - 1] + a[i];
    //         for (int i = 1; i + k - 1 <= n; i++)
    //             v.eb(s[i + k - 1] - s[i - 1]);
    //         bool flag = 1;
    //         for (int i = 1; i < v.size(); i++)
    //             if ((v[i] & 1) != (v[i - 1] & 1))
    //                 flag = 0;
    //         if (flag)
    //             for (int i = 1; i <= n; i++)
    //                 ans[i] = a[i];
    //         g |= flag;
    //     } while (next_permutation(a + 1, a + n + 1));
    //     if (g)
    //         for (int i = 1; i <= n; i++)
    //             cout << ans[i] << " \n"[i == n];
    //     if (g)
    //         cout << "Yes\n";
    //     else
    //         cout << "No\n";
    // }

    if(n==1)
    {
        cout<<"Yes\n";
        return ;
    }
    else if(k==1) cout<<"No\n";
    else
    {
        // if(n&1) 
        // {
            if(k>=n/2+(n&1)) cout<<"Yes\n";
            else if(n%k==0 && k&1) cout<<"No\n";
            else cout<<"Yes\n";
        // }
        // else
        // {
        //     if(k==3) cout<<"No\n";
        //     else cout<<"Yes\n";
        // }
    } 
}
int main(void)
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    int T = 1;
    cin >> T;
    while (T--)
        isac();
    return 0;
}
/*
    Zena youth together.
    Such a pretty name.
    There will be a long story.
    Time will tell all.
*/

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3720kb

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: 3660kb

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
No
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
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N...

result:

wrong answer expected NO, found YES [18th token]