#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int MX = 2e5 + 5;
int n, m, q;
vector<int> adj[MX];
bool was[MX][2];
void dfs1(int u, int l) {
was[u][0] = true;
for (int v : adj[u]) {
if (!was[v][0] && v >= l) {
dfs1(v, l);
}
}
}
void dfs2(int u, int r) {
was[u][1] = true;
for (int v : adj[u]) {
if (!was[v][1] && v <= r) {
dfs2(v, r);
}
}
}
void cl() {
for (int i = 0; i < n; i++) {
was[i][0] = false;
was[i][1] = false;
}
}
vector<int> check_validity(int N, vector<int> X, vector<int> Y, vector<int> S, vector<int> E, vector<int> L, vector<int> R) {
n = N; m = (int) X.size(); q = (int) L.size();
for (int i = 0; i < m; i++) {
adj[X[i]].pb(Y[i]);
adj[Y[i]].pb(X[i]);
}
if (n <= 3000 && m <= 6000 && q <= 3000) {
vector<int> ans(q);
for (int i = 0; i < q; i++) {
cl(); dfs1(S[i], L[i]); dfs2(E[i], R[i]);
for (int j = 0; j < n; j++)
if (was[j][0] && was[j][1]) ans[i] = 1;
}
return ans;
}
vector<int> ans(1, -1);
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4912 KB |
Output is correct |
6 |
Correct |
3 ms |
4996 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
4 ms |
4940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4912 KB |
Output is correct |
6 |
Correct |
3 ms |
4996 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
4 ms |
4940 KB |
Output is correct |
10 |
Correct |
296 ms |
5360 KB |
Output is correct |
11 |
Correct |
186 ms |
5340 KB |
Output is correct |
12 |
Correct |
32 ms |
5324 KB |
Output is correct |
13 |
Correct |
321 ms |
5364 KB |
Output is correct |
14 |
Correct |
220 ms |
5344 KB |
Output is correct |
15 |
Correct |
260 ms |
5484 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
234 ms |
29060 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4912 KB |
Output is correct |
6 |
Correct |
3 ms |
4996 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
4 ms |
4940 KB |
Output is correct |
10 |
Correct |
296 ms |
5360 KB |
Output is correct |
11 |
Correct |
186 ms |
5340 KB |
Output is correct |
12 |
Correct |
32 ms |
5324 KB |
Output is correct |
13 |
Correct |
321 ms |
5364 KB |
Output is correct |
14 |
Correct |
220 ms |
5344 KB |
Output is correct |
15 |
Correct |
260 ms |
5484 KB |
Output is correct |
16 |
Incorrect |
234 ms |
29060 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |