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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
#642930#7738. Equivalent RewritingKDreamWA 0ms3808kbC++201.9kb2024-10-15 17:08:262024-10-15 17:08:27

Judging History

你现在查看的是最新测评结果

  • [2024-10-15 17:08:27]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3808kb
  • [2024-10-15 17:08:26]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
using namespace std;

void Z()
{
    int n, m;
    cin >> n >> m;
    vector<vector<int>> a(max(n, m) + 5), edge(max(n, m) + 5);
    for (int i = 1; i <= n; i++)
    {
        int x;
        cin >> x;
        while (x--)
        {
            int b;
            cin >> b;
            a[b].push_back(i);
        }
    }
    vector<int> in(max(n, m) + 5);
    for (int i = 1; i <= m; i++)
    {
        if (a[i].size() == 0)
            continue;
        int go = a[i].back();
        for (auto v : a[i])
        {
            if (v == go)
                continue;

            edge[v].push_back(go);
            in[go]++;
        }
    }
    queue<int> q;
    vector<int> ans;
    ans.push_back(0);
    for (int i = 1; i <= n; i++)
    {
        if (!in[i])
        {
            q.push(i);
            ans.push_back(i);
        }
    }
    while (!q.empty())
    {
        auto u = q.front();
        if (edge[u].size())
            sort(edge[u].begin(), edge[u].end(), greater<>());

        q.pop();
        for (auto v : edge[u])
        {
            in[v]--;
            if (!in[v])
            {
                q.push(v);
                ans.push_back(v);
            }
        }
    }
    bool flag = 1;
    for (int i = 1; i <= n; i++)
    {
        if (i != ans[i])
        {
            flag = 0;
            break;
        }
    }

    if (flag)
    {
        cout << "No";
    }
    else
    {
        cout << "Yes\n";
        for (int i = 1; i <= n; i++)
        {
            cout << ans[i] << " ";
        }
    }
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    cin >> t;
    while (t--)
    {
        Z();
        if (t)
        {
            cout << "\n";
        }
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3808kb

input:

3
3 6
3 3 1 5
2 5 3
2 2 6
2 3
3 1 3 2
2 3 1
1 3
2 2 1

output:

Yes
1 3 2 
No
No

result:

ok OK. (3 test cases)

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3808kb

input:

1
10 5
2 2 4
4 1 3 4 2
1 2
3 2 1 4
4 5 2 4 3
3 2 5 4
3 5 4 2
3 1 3 2
5 1 4 2 3 5
1 4

output:

No

result:

wrong answer jury found an answer but participant did not (test case 1)