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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
#642913#7738. Equivalent RewritingKDreamRE 0ms3528kbC++201.7kb2024-10-15 17:00:312024-10-15 17:00:32

Judging History

你现在查看的是最新测评结果

  • [2024-10-15 17:00:32]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:3528kb
  • [2024-10-15 17:00:31]
  • 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(m + 5),edge(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;
    for (int i = 1;i <= n;i ++)
    {
        if (!in[i])
        {
            q.push(i);
            ans.push_back(i);
        }
    }
    while (!q.empty())
    {
        auto u = q.front();
        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 = 0;i < ans.size();i ++)
    {
        if ((i + 1) != ans[i])
        {
            flag = 0;
            break;
        }
    }
    if (flag)
    {
        cout << "No" << "\n";
    }
    else
    {
        cout << "Yes\n";
        for (auto i:ans)
        {
            cout << i << " ";
        }
        cout << "\n";
    }
}

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

    int t = 1;
    cin >> t;
    while (t--)
    {
        Z();
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3528kb

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
Runtime Error

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:


result: