oj.uz

Submission #968773

# Submission time Handle Problem Language Result Execution time Memory
968773 2024-04-24T04:07:42 Z tamir1 Evacuation plan (IZhO18_plan) C++17
54 / 100
 426 ms 48028 KB 
#include<bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
using namespace std;
ll n,m,k,i,x,y,z,q,dis[100005],mx,dis2[100005];
bitset<100005> vis;
vector<pair<ll,ll>> v[100005];
priority_queue<pair<ll,ll>> a;
void dfs(ll x,ll y,ll d){
	if(vis[x]) return;
	if(x==y){
		mx=max(mx,d);
		return;
	}
	if(mx>=d) return;
	vis[x]=1;
	for(pair<ll,ll> i:v[x]){
		dfs(i.ff,y,min(d,dis[i.ff]));
	}
	vis[x]=0;
}
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n >> m;
	for(i=1;i<=m;i++){
		cin >> x >> y >> z;
		v[x].push_back({y,z});
		v[y].push_back({x,z});
	}
	cin >> k;
	for(i=1;i<=k;i++){
		cin >> x;
		a.push({0,x});
	}
	while(!a.empty()){
		z=a.top().ff;
		x=a.top().ss;
		a.pop();
		if(vis[x]) continue;
		vis[x]=1;
		dis[x]=-z;
		for(pair<ll,ll> i:v[x]){
			if(!vis[i.ff]) a.push({z-i.ss,i.ff});
		}
	}
	vis.reset();
	cin >> q;
	for(i=1;i<=q;i++){
		cin >> x >> y;
		if(n<=15){
			mx=0;
			dfs(x,y,min(dis[x],dis[y]));
			cout << mx << "\n";
		}
		else if(q==1){
			a.push({dis[x],x});
			while(!a.empty()){
				z=a.top().ff;
				x=a.top().ss;
				a.pop();
				if(vis[x]) continue;
				vis[x]=1;
				dis2[x]=z;
				for(pair<ll,ll> i:v[x]){
					if(!vis[i.ff]) a.push({min(z,dis[i.ff]),i.ff});
				}
			}
			cout << dis2[y] << "\n";
		}
		else{
			cout << min(dis[x],dis[y]) << "\n";
		}
	}
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 2 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Correct 1 ms 2904 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 2 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Correct 1 ms 2904 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 70 ms 9672 KB Output is correct
17 Correct 393 ms 38400 KB Output is correct
18 Correct 23 ms 5672 KB Output is correct
19 Correct 68 ms 10452 KB Output is correct
20 Correct 326 ms 38080 KB Output is correct
21 Correct 159 ms 20244 KB Output is correct
22 Correct 51 ms 9044 KB Output is correct
23 Correct 316 ms 39372 KB Output is correct
24 Correct 351 ms 38856 KB Output is correct
25 Correct 348 ms 39256 KB Output is correct
26 Correct 71 ms 11204 KB Output is correct
27 Correct 72 ms 10540 KB Output is correct
28 Correct 79 ms 11204 KB Output is correct
29 Correct 60 ms 10696 KB Output is correct
30 Correct 57 ms 10440 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 2 ms 2648 KB Output is correct
3 Correct 1 ms 2656 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 158 ms 16688 KB Output is correct
2 Correct 413 ms 47824 KB Output is correct
3 Correct 378 ms 46852 KB Output is correct
4 Correct 36 ms 10580 KB Output is correct
5 Correct 379 ms 47892 KB Output is correct
6 Correct 403 ms 47292 KB Output is correct
7 Correct 411 ms 47032 KB Output is correct
8 Correct 374 ms 46432 KB Output is correct
9 Correct 397 ms 47300 KB Output is correct
10 Correct 388 ms 47040 KB Output is correct
11 Correct 386 ms 46276 KB Output is correct
12 Correct 386 ms 46788 KB Output is correct
13 Correct 391 ms 46836 KB Output is correct
14 Correct 398 ms 47164 KB Output is correct
15 Correct 396 ms 47412 KB Output is correct
16 Correct 384 ms 47116 KB Output is correct
17 Correct 391 ms 47076 KB Output is correct
18 Correct 410 ms 47284 KB Output is correct
19 Correct 31 ms 10576 KB Output is correct
20 Correct 426 ms 48028 KB Output is correct
21 Correct 384 ms 46512 KB Output is correct
22 Correct 55 ms 12416 KB Output is correct
23 Correct 45 ms 10852 KB Output is correct
24 Correct 55 ms 12932 KB Output is correct
25 Correct 58 ms 12280 KB Output is correct
26 Correct 47 ms 11224 KB Output is correct
27 Correct 31 ms 10588 KB Output is correct
28 Correct 55 ms 12992 KB Output is correct
29 Correct 31 ms 10580 KB Output is correct
30 Correct 57 ms 12380 KB Output is correct
31 Correct 32 ms 10552 KB Output is correct

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2908 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 2 ms 2908 KB Output is correct
6 Correct 1 ms 2908 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2904 KB Output is correct
13 Correct 1 ms 2904 KB Output is correct
14 Correct 1 ms 2904 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 70 ms 9672 KB Output is correct
17 Correct 393 ms 38400 KB Output is correct
18 Correct 23 ms 5672 KB Output is correct
19 Correct 68 ms 10452 KB Output is correct
20 Correct 326 ms 38080 KB Output is correct
21 Correct 159 ms 20244 KB Output is correct
22 Correct 51 ms 9044 KB Output is correct
23 Correct 316 ms 39372 KB Output is correct
24 Correct 351 ms 38856 KB Output is correct
25 Correct 348 ms 39256 KB Output is correct
26 Correct 71 ms 11204 KB Output is correct
27 Correct 72 ms 10540 KB Output is correct
28 Correct 79 ms 11204 KB Output is correct
29 Correct 60 ms 10696 KB Output is correct
30 Correct 57 ms 10440 KB Output is correct
31 Correct 1 ms 2648 KB Output is correct
32 Correct 2 ms 2648 KB Output is correct
33 Correct 1 ms 2656 KB Output is correct
34 Correct 1 ms 2652 KB Output is correct
35 Correct 1 ms 2652 KB Output is correct
36 Correct 1 ms 2652 KB Output is correct
37 Correct 1 ms 2652 KB Output is correct
38 Correct 1 ms 2652 KB Output is correct
39 Correct 1 ms 2652 KB Output is correct
40 Correct 1 ms 2648 KB Output is correct
41 Correct 158 ms 16688 KB Output is correct
42 Correct 413 ms 47824 KB Output is correct
43 Correct 378 ms 46852 KB Output is correct
44 Correct 36 ms 10580 KB Output is correct
45 Correct 379 ms 47892 KB Output is correct
46 Correct 403 ms 47292 KB Output is correct
47 Correct 411 ms 47032 KB Output is correct
48 Correct 374 ms 46432 KB Output is correct
49 Correct 397 ms 47300 KB Output is correct
50 Correct 388 ms 47040 KB Output is correct
51 Correct 386 ms 46276 KB Output is correct
52 Correct 386 ms 46788 KB Output is correct
53 Correct 391 ms 46836 KB Output is correct
54 Correct 398 ms 47164 KB Output is correct
55 Correct 396 ms 47412 KB Output is correct
56 Correct 384 ms 47116 KB Output is correct
57 Correct 391 ms 47076 KB Output is correct
58 Correct 410 ms 47284 KB Output is correct
59 Correct 31 ms 10576 KB Output is correct
60 Correct 426 ms 48028 KB Output is correct
61 Correct 384 ms 46512 KB Output is correct
62 Correct 55 ms 12416 KB Output is correct
63 Correct 45 ms 10852 KB Output is correct
64 Correct 55 ms 12932 KB Output is correct
65 Correct 58 ms 12280 KB Output is correct
66 Correct 47 ms 11224 KB Output is correct
67 Correct 31 ms 10588 KB Output is correct
68 Correct 55 ms 12992 KB Output is correct
69 Correct 31 ms 10580 KB Output is correct
70 Correct 57 ms 12380 KB Output is correct
71 Correct 32 ms 10552 KB Output is correct
72 Incorrect 129 ms 20924 KB Output isn't correct
73 Halted 0 ms 0 KB -