QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#647385#7738. Equivalent RewritingyellWA 0ms3620kbC++201.2kb2024-10-17 13:47:172024-10-17 13:47:17

Judging History

你现在查看的是最新测评结果

  • [2024-10-17 13:47:17]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3620kb
  • [2024-10-17 13:47:17]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using LL = long long;

void solve() {
    int n, m;
    cin >> n >> m;
    vector<vector<int>> op(n + 1);
    vector<int> ans(n + 1), last(m + 1), flag(n + 1);
    iota(ans.begin(), ans.end(), 0);

    for (int i = 1; i <= n; i++) {
        int sz;
        cin >> sz;
        for (int j = 0; j < sz; j++) {
            int x;
            cin >> x;
            op[i].push_back(x);
            last[x] = i;
        }
    }
    for (int i = 1; i <= n; i++) {
        for (auto x : op[i]) {
            if (x == i + 1) {
                flag[i] = 1;
            }
            if (i == x + 1) {
                flag[x] = 1;
            }
        }
    }
    bool ok = false;
    for (int i = 1; i + 1 <= n; i++) {
        if (!flag[i]) {
            swap(ans[i], ans[i + 1]);
            ok = true;
            break;
        }
    }

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

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

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

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3620kb

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
2 1 3
No
No

result:

wrong answer two transactions are not equivalent. (test case 1)