| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 241753 |
2020-06-25T12:29:43 Z |
dsjong |
None (JOI16_ho_t3) |
C++14 |
|
580 ms |
20324 KB |
#include <bits/stdc++.h>
using namespace std;
bool vis[100005], good[200005], queried[200005], leaf[100005], vis2[100005];
int dis[100005], root[100005], sz[100005];
pair<int, int>edges[200005];
vector<int>adj[100005], adj2[100005];
int find(int x){
while(x!=root[x]){
root[x]=root[root[x]];
x=root[x];
}
return x;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n, m, qq;
cin>>n>>m>>qq;
for(int i=1;i<=m;i++){
int x, y;
cin>>x>>y;
adj[x].push_back(y);
adj[y].push_back(x);
edges[i]={x, y};
}
queue<int>q;
q.push(1);
dis[1]=0;
while(!q.empty()){
int x=q.front();
vis[x]=true;
q.pop();
for(int y:adj[x]){
if(vis[y]) continue;
q.push(y);
vis[y]=true;
dis[y]=dis[x]+1;
}
}
memset(good, 0, sizeof good);
memset(queried, 0, sizeof queried);
for(int i=1;i<=m;i++){
if(abs(dis[edges[i].first]-dis[edges[i].second])==1){
good[i]=true;
}
}
vector<int>queries, ans;
while(qq--){
int x;
cin>>x;
queried[x]=true;
queries.push_back(x);
}
for(int i=1;i<=m;i++){
if(!queried[i] && good[i]){
int x=edges[i].first, y=edges[i].second;
if(dis[y]<dis[x]) swap(x, y);
adj2[x].push_back(y);
}
}
memset(vis, false, sizeof vis);
int cnt=1;
q.push(1);
vis[1]=true;
while(!q.empty()){
int x=q.front();
q.pop();
for(int y:adj2[x]){
if(vis[y]) continue;
q.push(y);
cnt++;
vis[y]=true;
}
}
ans.push_back(cnt);
reverse(queries.begin(), queries.end());
for(int i:queries){
if(good[i]){
int xi=edges[i].first, yi=edges[i].second;
if(dis[yi]<dis[xi]) swap(xi, yi);
//cout<<xi<<">>"<<yi<<endl;
adj2[xi].push_back(yi);
if(vis[yi] || !vis[xi]) goto hell;
cnt++;
q.push(yi);
vis[yi]=true;
while(!q.empty()){
int x=q.front();
q.pop();
for(int y:adj2[x]){
if(vis[y]) continue;
q.push(y);
vis[y]=true;
cnt++;
}
}
}
hell:;
//cout<<sz<<endl;
ans.push_back(cnt);
}
ans.pop_back();
reverse(ans.begin(), ans.end());
for(int i:ans) cout<<n-i<<endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 2 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 3 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 4 |
Correct |
9 ms |
5504 KB |
Output is correct |
| 5 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 6 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 8 |
Correct |
9 ms |
5504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 2 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 3 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 4 |
Correct |
9 ms |
5504 KB |
Output is correct |
| 5 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 6 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 8 |
Correct |
9 ms |
5504 KB |
Output is correct |
| 9 |
Correct |
147 ms |
15864 KB |
Output is correct |
| 10 |
Correct |
159 ms |
16008 KB |
Output is correct |
| 11 |
Correct |
151 ms |
15840 KB |
Output is correct |
| 12 |
Correct |
153 ms |
15892 KB |
Output is correct |
| 13 |
Correct |
127 ms |
15992 KB |
Output is correct |
| 14 |
Correct |
141 ms |
16248 KB |
Output is correct |
| 15 |
Correct |
176 ms |
14328 KB |
Output is correct |
| 16 |
Correct |
86 ms |
14176 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
162 ms |
15840 KB |
Output is correct |
| 2 |
Correct |
194 ms |
16008 KB |
Output is correct |
| 3 |
Correct |
183 ms |
13680 KB |
Output is correct |
| 4 |
Correct |
173 ms |
15864 KB |
Output is correct |
| 5 |
Correct |
179 ms |
16248 KB |
Output is correct |
| 6 |
Correct |
147 ms |
16248 KB |
Output is correct |
| 7 |
Correct |
101 ms |
14200 KB |
Output is correct |
| 8 |
Correct |
88 ms |
14072 KB |
Output is correct |
| 9 |
Correct |
46 ms |
11120 KB |
Output is correct |
| 10 |
Correct |
63 ms |
11252 KB |
Output is correct |
| 11 |
Correct |
313 ms |
17372 KB |
Output is correct |
| 12 |
Correct |
244 ms |
16372 KB |
Output is correct |
| 13 |
Correct |
258 ms |
16112 KB |
Output is correct |
| 14 |
Correct |
232 ms |
16884 KB |
Output is correct |
| 15 |
Correct |
359 ms |
17264 KB |
Output is correct |
| 16 |
Correct |
335 ms |
17120 KB |
Output is correct |
| 17 |
Correct |
416 ms |
18220 KB |
Output is correct |
| 18 |
Correct |
325 ms |
16188 KB |
Output is correct |
| 19 |
Correct |
533 ms |
20312 KB |
Output is correct |
| 20 |
Correct |
414 ms |
18284 KB |
Output is correct |
| 21 |
Correct |
194 ms |
15092 KB |
Output is correct |
| 22 |
Correct |
186 ms |
15092 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 2 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 3 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 4 |
Correct |
9 ms |
5504 KB |
Output is correct |
| 5 |
Correct |
9 ms |
5632 KB |
Output is correct |
| 6 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
8 ms |
5504 KB |
Output is correct |
| 8 |
Correct |
9 ms |
5504 KB |
Output is correct |
| 9 |
Correct |
147 ms |
15864 KB |
Output is correct |
| 10 |
Correct |
159 ms |
16008 KB |
Output is correct |
| 11 |
Correct |
151 ms |
15840 KB |
Output is correct |
| 12 |
Correct |
153 ms |
15892 KB |
Output is correct |
| 13 |
Correct |
127 ms |
15992 KB |
Output is correct |
| 14 |
Correct |
141 ms |
16248 KB |
Output is correct |
| 15 |
Correct |
176 ms |
14328 KB |
Output is correct |
| 16 |
Correct |
86 ms |
14176 KB |
Output is correct |
| 17 |
Correct |
162 ms |
15840 KB |
Output is correct |
| 18 |
Correct |
194 ms |
16008 KB |
Output is correct |
| 19 |
Correct |
183 ms |
13680 KB |
Output is correct |
| 20 |
Correct |
173 ms |
15864 KB |
Output is correct |
| 21 |
Correct |
179 ms |
16248 KB |
Output is correct |
| 22 |
Correct |
147 ms |
16248 KB |
Output is correct |
| 23 |
Correct |
101 ms |
14200 KB |
Output is correct |
| 24 |
Correct |
88 ms |
14072 KB |
Output is correct |
| 25 |
Correct |
46 ms |
11120 KB |
Output is correct |
| 26 |
Correct |
63 ms |
11252 KB |
Output is correct |
| 27 |
Correct |
313 ms |
17372 KB |
Output is correct |
| 28 |
Correct |
244 ms |
16372 KB |
Output is correct |
| 29 |
Correct |
258 ms |
16112 KB |
Output is correct |
| 30 |
Correct |
232 ms |
16884 KB |
Output is correct |
| 31 |
Correct |
359 ms |
17264 KB |
Output is correct |
| 32 |
Correct |
335 ms |
17120 KB |
Output is correct |
| 33 |
Correct |
416 ms |
18220 KB |
Output is correct |
| 34 |
Correct |
325 ms |
16188 KB |
Output is correct |
| 35 |
Correct |
533 ms |
20312 KB |
Output is correct |
| 36 |
Correct |
414 ms |
18284 KB |
Output is correct |
| 37 |
Correct |
194 ms |
15092 KB |
Output is correct |
| 38 |
Correct |
186 ms |
15092 KB |
Output is correct |
| 39 |
Correct |
580 ms |
20000 KB |
Output is correct |
| 40 |
Correct |
534 ms |
19816 KB |
Output is correct |
| 41 |
Correct |
363 ms |
16620 KB |
Output is correct |
| 42 |
Correct |
566 ms |
19952 KB |
Output is correct |
| 43 |
Correct |
508 ms |
19952 KB |
Output is correct |
| 44 |
Correct |
519 ms |
20204 KB |
Output is correct |
| 45 |
Correct |
511 ms |
20324 KB |
Output is correct |
| 46 |
Correct |
297 ms |
16472 KB |
Output is correct |
| 47 |
Correct |
263 ms |
16280 KB |
Output is correct |
| 48 |
Correct |
257 ms |
16112 KB |
Output is correct |
| 49 |
Correct |
226 ms |
12844 KB |
Output is correct |
| 50 |
Correct |
214 ms |
12524 KB |
Output is correct |
| 51 |
Correct |
223 ms |
13484 KB |
Output is correct |
| 52 |
Correct |
229 ms |
13420 KB |
Output is correct |
| 53 |
Correct |
216 ms |
12908 KB |
Output is correct |
| 54 |
Correct |
227 ms |
12656 KB |
Output is correct |
