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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#275339 | #7738. Equivalent Rewriting | 666ldc | WA | 0ms | 3600kb | C++14 | 1.8kb | 2023-12-04 16:59:05 | 2023-12-04 16:59:05 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define all(x) (x).begin(), (x).end()
using pii = std::pair<int, int>;
void solve()
{
int n, m;
std::cin >> n >> m;
std::vector<std::vector<int>> p(n + 1);
for (int i = 1; i <= n; i ++)
{
int x;
std::cin >> x;
for (int j = 0; j < x; j ++)
{
int y;
std::cin >> y;
p[i].push_back(y);
}
}
std::vector<std::vector<int>> adj(n + 1);
std::vector<int> num(m + 1);
std::vector<int> din(n + 1);
for (int i = 1; i <= n; i ++)
{
for (int j = 0; j < p[i].size(); j ++)
{
if (!num[p[i][j]]) num[p[i][j]] = i;
else
{
adj[num[p[i][j]]].push_back(i);
din[i] ++;
num[p[i][j]] = i;
}
}
}
std::vector<int> q(n);
int hh = 0, tt = -1;
for (int i = 1; i <= n; i ++)
if (!din[i])
q[++ tt] = i;
std::vector<int> cnt(n);
std::iota(all(cnt), 1);
for (int i = 1; i <= n; i ++)
std::sort(adj[i].rbegin(), adj[i].rend());
while (hh <= tt)
{
int t = q[hh ++ ];
for (auto j : adj[t])
{
if (-- din[j] == 0)
q[++ tt] = j;
}
}
bool ok = false;
for (int i = 0; i < n; i ++)
if (cnt[i] != q[i])
{
ok = true;
break;
}
if (!ok) std::cout << "No\n";
else
{
std::cout << "Yes\n";
for (int i = 0; i < n; i ++)
std::cout << q[i] << " \n"[i == n - 1];
}
}
signed main()
{
std::cin.tie(nullptr);
std::cout.tie(nullptr);
std::ios::sync_with_stdio(false);
int T = 1;
std::cin >> T;
while (T --) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3600kb
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: 3568kb
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)