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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 |
---|---|---|---|---|---|---|---|---|---|
#640434 | #7738. Equivalent Rewriting | ucup-team1769 | WA | 0ms | 3588kb | C++20 | 1.6kb | 2024-10-14 12:28:30 | 2024-10-14 12:28:31 |
Judging History
answer
#include <bits/stdc++.h>
using u32 = unsigned;
using i64 = long long;
using u64 = unsigned long long;
constexpr i64 inf = 1e18;
void solve() {
int n, m;
std::cin >> n >> m;
std::vector adj(n, std::vector<int>()), nxt(n, std::vector<int>());
std::vector<int> v(m, -1), in(n, 0);
for (int i = 0; i < n; i++) {
int p;
std::cin >> p;
adj[i].resize(p);
for (int j = 0; j < p; j++) {
std::cin >> adj[i][j];
if (v[adj[i][j] - 1] != -1) {
nxt[v[adj[i][j] - 1]].emplace_back(i);
in[i]++;
}
v[adj[i][j] - 1] = i;
}
}
std::vector<int> ans, vis(n, 0);
auto dfs = [&](auto &&self, int x) -> void {
if (!vis[x]) {
vis[x] = 1;
ans.emplace_back(x);
for (int i = nxt[x].size() - 1; i >= 0; i--) {
int y = nxt[x][i];
// std::cout << x << " " << y << "\n";
self(self, y);
}
}
};
for (int i = n - 1; i >= 0; i--) {
if (!vis[i] && !in[i]) {
dfs(dfs, i);
}
}
std::vector<int> res(n);
std::iota(res.begin(), res.end(), 0);
if (res == ans) {
std::cout << "No\n";
return;
}
std::cout << "Yes\n";
for (auto x : ans) {
std::cout << x + 1 << " ";
}
std::cout << "\n";
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3588kb
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 3 1 2 No No
result:
ok OK. (3 test cases)
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3552kb
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:
Yes 1 2 5 8 9 10 6 7 4 3
result:
wrong answer two transactions are not equivalent. (test case 1)