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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#283809 | #7738. Equivalent Rewriting | ckiseki# | RE | 0ms | 3596kb | C++20 | 2.0kb | 2023-12-15 15:28:46 | 2023-12-15 15:28:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x), end(x)
#ifdef CKISEKI
#define safe cerr << __PRETTY_FUNCTION__ << " line " << __LINE__ << " safe\n"
#define orange(a...) orange_(#a, a)
#define debug(a...) debug_(#a, a)
#include <experimental/iterator>
void debug_(auto s, auto ...a) {
cerr << "\e[1;32m(" << s << ") = (";
int f = 0;
(..., (cerr << (f++ ? ", " : "") << a));
cerr << ")\e[0m\n";
}
void orange_(auto s, auto L, auto R) {
cerr << "\e[1;33m[ " << s << " ] = [ ";
using namespace experimental;
copy(L, R, make_ostream_joiner(cerr, ", "));
cerr << " ]\e[0m\n";
}
#else
#define safe ((void)0)
#define debug(...) safe
#define orange(...) safe
#endif
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
int t;
cin >> t;
while (t--) {
int n, m;
cin >> n >> m;
vector<int> res(m, -1);
vector<vector<int>> ops(n);
for (auto &op : ops) {
int l;
cin >> l;
op.resize(l);
for (int &p : op) {
cin >> p;
p -= 1;
}
}
for (int i = 0; i < n; ++i) {
for (auto p : ops[i])
res[p] = i;
}
vector<int> ind(n + m);
vector<vector<int>> g(n + m);
auto add_edge = [&](int u, int v) {
g[u].push_back(v);
ind[v]++;
};
for (int i = 0; i < n; ++i) {
for (int p : ops[i]) {
if (res[p] == i) {
add_edge(res[p] + n, i);
} else {
add_edge(i, res[p] + n);
}
}
}
vector<int> ans;
priority_queue<int> bfs;
for (int i = 0; i < n + m; ++i) {
if (ind[i] == 0)
bfs.push(i);
}
while (not bfs.empty()) {
int u = bfs.top();
bfs.pop();
if (u < n) {
ans.push_back(u + 1);
}
for (int v : g[u]) {
if (--ind[v] == 0)
bfs.push(v);
}
}
if (ranges::is_sorted(ans)) {
cout << "No\n";
} else {
cout << "Yes\n";
for (int i = 0; i < n; ++i)
cout << ans[i] << " \n"[i + 1 == n];
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3596kb
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
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