# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
971499 |
2024-04-28T16:52:45 Z |
happy_node |
Jail (JOI22_jail) |
C++17 |
|
5000 ms |
252756 KB |
#include <bits/stdc++.h>
using namespace std;
const int MX=1.2e5+5;
int Q,N,M;
int S[MX], T[MX];
vector<int> path[MX]; // store the path between Si and Ti
vector<int> adj[MX];
int par[MX];
void dfs(int v, int p) {
par[v]=p;
for(auto u:adj[v]) {
if(u==p) continue;
dfs(u,v);
}
}
vector<int> ADJ[MX];
int deg[MX];
bool f(int i, int x) {
for(auto y:path[i])
if(y==x) return true;
return false;
}
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
cin>>Q;
while(Q--) {
cin>>N;
for(int i=1;i<=N;i++) adj[i].clear();
for(int i=0;i<N-1;i++) {
int u,v;
cin>>u>>v;
adj[u].push_back(v);
adj[v].push_back(u);
}
cin>>M;
for(int i=0;i<M;i++) path[i].clear(), ADJ[i].clear(), deg[i]=0;
for(int i=0;i<M;i++) {
cin>>S[i]>>T[i];
dfs(S[i],S[i]);
int p=T[i];
while(p!=S[i]) {
path[i].push_back(p);
p=par[p];
}
path[i].push_back(S[i]);
}
for(int i=0;i<M;i++) {
for(int j=i+1;j<M;j++) {
// check start
if(f(i,S[j])) {
ADJ[j].push_back(i);
deg[i]+=1;
}
if(f(j,S[i])) {
ADJ[i].push_back(j);
deg[j]+=1;
}
// check end
if(f(i,T[j])) {
ADJ[i].push_back(j);
deg[j]+=1;
}
if(f(j,T[i])) {
ADJ[j].push_back(i);
deg[i]+=1;
}
}
}
queue<int> q;
for(int i=0;i<M;i++) {
if(!deg[i]) {
q.push(i);
}
}
int ans=0;
while(!q.empty()) {
auto v=q.front(); q.pop();
ans+=1;
for(auto u:ADJ[v]) {
deg[u]--;
if(!deg[u]) q.push(u);
}
}
cout<<(ans==M?"Yes":"No")<<'\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9564 KB |
Output is correct |
2 |
Correct |
2 ms |
9564 KB |
Output is correct |
3 |
Correct |
2 ms |
9564 KB |
Output is correct |
4 |
Correct |
8 ms |
9808 KB |
Output is correct |
5 |
Correct |
16 ms |
10328 KB |
Output is correct |
6 |
Correct |
3 ms |
9564 KB |
Output is correct |
7 |
Correct |
4 ms |
9560 KB |
Output is correct |
8 |
Correct |
14 ms |
9820 KB |
Output is correct |
9 |
Correct |
3663 ms |
28432 KB |
Output is correct |
10 |
Execution timed out |
5037 ms |
252616 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9560 KB |
Output is correct |
2 |
Correct |
2 ms |
9564 KB |
Output is correct |
3 |
Correct |
3 ms |
9564 KB |
Output is correct |
4 |
Correct |
3 ms |
9564 KB |
Output is correct |
5 |
Correct |
3 ms |
9564 KB |
Output is correct |
6 |
Correct |
3 ms |
9644 KB |
Output is correct |
7 |
Correct |
3 ms |
9564 KB |
Output is correct |
8 |
Correct |
3 ms |
9564 KB |
Output is correct |
9 |
Correct |
3 ms |
9564 KB |
Output is correct |
10 |
Correct |
3 ms |
9564 KB |
Output is correct |
11 |
Correct |
3 ms |
9564 KB |
Output is correct |
12 |
Correct |
3 ms |
9564 KB |
Output is correct |
13 |
Correct |
3 ms |
9560 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9560 KB |
Output is correct |
2 |
Correct |
2 ms |
9564 KB |
Output is correct |
3 |
Correct |
3 ms |
9564 KB |
Output is correct |
4 |
Correct |
3 ms |
9564 KB |
Output is correct |
5 |
Correct |
3 ms |
9564 KB |
Output is correct |
6 |
Correct |
3 ms |
9644 KB |
Output is correct |
7 |
Correct |
3 ms |
9564 KB |
Output is correct |
8 |
Correct |
3 ms |
9564 KB |
Output is correct |
9 |
Correct |
3 ms |
9564 KB |
Output is correct |
10 |
Correct |
3 ms |
9564 KB |
Output is correct |
11 |
Correct |
3 ms |
9564 KB |
Output is correct |
12 |
Correct |
3 ms |
9564 KB |
Output is correct |
13 |
Correct |
3 ms |
9560 KB |
Output is correct |
14 |
Correct |
2 ms |
9688 KB |
Output is correct |
15 |
Correct |
2 ms |
9564 KB |
Output is correct |
16 |
Correct |
4 ms |
9652 KB |
Output is correct |
17 |
Correct |
3 ms |
9564 KB |
Output is correct |
18 |
Correct |
3 ms |
9728 KB |
Output is correct |
19 |
Correct |
2 ms |
9564 KB |
Output is correct |
20 |
Correct |
3 ms |
9564 KB |
Output is correct |
21 |
Correct |
3 ms |
9564 KB |
Output is correct |
22 |
Correct |
3 ms |
9816 KB |
Output is correct |
23 |
Correct |
2 ms |
9684 KB |
Output is correct |
24 |
Correct |
4 ms |
9564 KB |
Output is correct |
25 |
Correct |
4 ms |
9564 KB |
Output is correct |
26 |
Correct |
4 ms |
9564 KB |
Output is correct |
27 |
Correct |
4 ms |
9564 KB |
Output is correct |
28 |
Correct |
2 ms |
9564 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9560 KB |
Output is correct |
2 |
Correct |
2 ms |
9564 KB |
Output is correct |
3 |
Correct |
3 ms |
9564 KB |
Output is correct |
4 |
Correct |
3 ms |
9564 KB |
Output is correct |
5 |
Correct |
3 ms |
9564 KB |
Output is correct |
6 |
Correct |
3 ms |
9644 KB |
Output is correct |
7 |
Correct |
3 ms |
9564 KB |
Output is correct |
8 |
Correct |
3 ms |
9564 KB |
Output is correct |
9 |
Correct |
3 ms |
9564 KB |
Output is correct |
10 |
Correct |
3 ms |
9564 KB |
Output is correct |
11 |
Correct |
3 ms |
9564 KB |
Output is correct |
12 |
Correct |
3 ms |
9564 KB |
Output is correct |
13 |
Correct |
3 ms |
9560 KB |
Output is correct |
14 |
Correct |
2 ms |
9688 KB |
Output is correct |
15 |
Correct |
2 ms |
9564 KB |
Output is correct |
16 |
Correct |
4 ms |
9652 KB |
Output is correct |
17 |
Correct |
3 ms |
9564 KB |
Output is correct |
18 |
Correct |
3 ms |
9728 KB |
Output is correct |
19 |
Correct |
2 ms |
9564 KB |
Output is correct |
20 |
Correct |
3 ms |
9564 KB |
Output is correct |
21 |
Correct |
3 ms |
9564 KB |
Output is correct |
22 |
Correct |
3 ms |
9816 KB |
Output is correct |
23 |
Correct |
2 ms |
9684 KB |
Output is correct |
24 |
Correct |
4 ms |
9564 KB |
Output is correct |
25 |
Correct |
4 ms |
9564 KB |
Output is correct |
26 |
Correct |
4 ms |
9564 KB |
Output is correct |
27 |
Correct |
4 ms |
9564 KB |
Output is correct |
28 |
Correct |
2 ms |
9564 KB |
Output is correct |
29 |
Correct |
14 ms |
9816 KB |
Output is correct |
30 |
Correct |
6 ms |
9560 KB |
Output is correct |
31 |
Correct |
9 ms |
9820 KB |
Output is correct |
32 |
Correct |
7 ms |
9564 KB |
Output is correct |
33 |
Correct |
4 ms |
9648 KB |
Output is correct |
34 |
Correct |
8 ms |
9564 KB |
Output is correct |
35 |
Correct |
16 ms |
9852 KB |
Output is correct |
36 |
Correct |
5 ms |
9564 KB |
Output is correct |
37 |
Correct |
7 ms |
9816 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9560 KB |
Output is correct |
2 |
Correct |
2 ms |
9564 KB |
Output is correct |
3 |
Correct |
3 ms |
9564 KB |
Output is correct |
4 |
Correct |
3 ms |
9564 KB |
Output is correct |
5 |
Correct |
3 ms |
9564 KB |
Output is correct |
6 |
Correct |
3 ms |
9644 KB |
Output is correct |
7 |
Correct |
3 ms |
9564 KB |
Output is correct |
8 |
Correct |
3 ms |
9564 KB |
Output is correct |
9 |
Correct |
3 ms |
9564 KB |
Output is correct |
10 |
Correct |
3 ms |
9564 KB |
Output is correct |
11 |
Correct |
3 ms |
9564 KB |
Output is correct |
12 |
Correct |
3 ms |
9564 KB |
Output is correct |
13 |
Correct |
3 ms |
9560 KB |
Output is correct |
14 |
Correct |
2 ms |
9688 KB |
Output is correct |
15 |
Correct |
2 ms |
9564 KB |
Output is correct |
16 |
Correct |
4 ms |
9652 KB |
Output is correct |
17 |
Correct |
3 ms |
9564 KB |
Output is correct |
18 |
Correct |
3 ms |
9728 KB |
Output is correct |
19 |
Correct |
2 ms |
9564 KB |
Output is correct |
20 |
Correct |
3 ms |
9564 KB |
Output is correct |
21 |
Correct |
3 ms |
9564 KB |
Output is correct |
22 |
Correct |
3 ms |
9816 KB |
Output is correct |
23 |
Correct |
2 ms |
9684 KB |
Output is correct |
24 |
Correct |
4 ms |
9564 KB |
Output is correct |
25 |
Correct |
4 ms |
9564 KB |
Output is correct |
26 |
Correct |
4 ms |
9564 KB |
Output is correct |
27 |
Correct |
4 ms |
9564 KB |
Output is correct |
28 |
Correct |
2 ms |
9564 KB |
Output is correct |
29 |
Correct |
14 ms |
9816 KB |
Output is correct |
30 |
Correct |
6 ms |
9560 KB |
Output is correct |
31 |
Correct |
9 ms |
9820 KB |
Output is correct |
32 |
Correct |
7 ms |
9564 KB |
Output is correct |
33 |
Correct |
4 ms |
9648 KB |
Output is correct |
34 |
Correct |
8 ms |
9564 KB |
Output is correct |
35 |
Correct |
16 ms |
9852 KB |
Output is correct |
36 |
Correct |
5 ms |
9564 KB |
Output is correct |
37 |
Correct |
7 ms |
9816 KB |
Output is correct |
38 |
Correct |
3506 ms |
28232 KB |
Output is correct |
39 |
Execution timed out |
5053 ms |
252756 KB |
Time limit exceeded |
40 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9564 KB |
Output is correct |
2 |
Correct |
3 ms |
9680 KB |
Output is correct |
3 |
Correct |
2 ms |
9564 KB |
Output is correct |
4 |
Correct |
2 ms |
9564 KB |
Output is correct |
5 |
Correct |
8 ms |
9820 KB |
Output is correct |
6 |
Correct |
2 ms |
9564 KB |
Output is correct |
7 |
Correct |
3 ms |
9560 KB |
Output is correct |
8 |
Correct |
3 ms |
9564 KB |
Output is correct |
9 |
Correct |
3 ms |
9560 KB |
Output is correct |
10 |
Correct |
2 ms |
9564 KB |
Output is correct |
11 |
Correct |
2 ms |
9564 KB |
Output is correct |
12 |
Correct |
6 ms |
9564 KB |
Output is correct |
13 |
Correct |
62 ms |
10276 KB |
Output is correct |
14 |
Correct |
56 ms |
10684 KB |
Output is correct |
15 |
Correct |
59 ms |
10192 KB |
Output is correct |
16 |
Execution timed out |
5028 ms |
15604 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
9564 KB |
Output is correct |
2 |
Correct |
2 ms |
9564 KB |
Output is correct |
3 |
Correct |
2 ms |
9564 KB |
Output is correct |
4 |
Correct |
8 ms |
9808 KB |
Output is correct |
5 |
Correct |
16 ms |
10328 KB |
Output is correct |
6 |
Correct |
3 ms |
9564 KB |
Output is correct |
7 |
Correct |
4 ms |
9560 KB |
Output is correct |
8 |
Correct |
14 ms |
9820 KB |
Output is correct |
9 |
Correct |
3663 ms |
28432 KB |
Output is correct |
10 |
Execution timed out |
5037 ms |
252616 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |