#include<bits/stdc++.h>
using namespace std;
#define int long long
#define maxn 50050
#define f first
#define s second
int32_t main(){
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int k,no_of_vertex,no_of_edge,no_of_query;
int input1,input2,input3;
cin >> k >> no_of_vertex >> no_of_edge >> no_of_query;
vector<vector<pair<int,int> > > adj(maxn);
for(int i=0;i<no_of_edge;i++){
cin >> input1 >> input2 >> input3;
adj[input1].push_back({input2,input3});
}
for(int i=0;i<no_of_query;i++){
cin >> input1 >> input2;
vector<int> dist(maxn,INT_MAX);
priority_queue<pair<int,int>,vector<pair<int,int> >,greater<pair<int,int> > > q1;
dist[input1] = 0;
q1.push({0,input1});
while(q1.size()!=0){
pair<int,int> a = q1.top();
q1.pop();
for(auto j:adj[a.s]){
if(dist[j.f]>a.f+j.s){
dist[j.f] = a.f+j.s;
q1.push({dist[j.f],j.f});
}
}
}
if(dist[input2]==INT_MAX){
cout << -1 << "\n";
}
else{
cout << dist[input2] << "\n";
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3087 ms |
3664 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3072 ms |
4488 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
1920 KB |
Output is correct |
2 |
Correct |
6 ms |
1920 KB |
Output is correct |
3 |
Correct |
6 ms |
1920 KB |
Output is correct |
4 |
Correct |
6 ms |
2048 KB |
Output is correct |
5 |
Correct |
6 ms |
1920 KB |
Output is correct |
6 |
Correct |
8 ms |
1920 KB |
Output is correct |
7 |
Correct |
12 ms |
2040 KB |
Output is correct |
8 |
Correct |
20 ms |
2176 KB |
Output is correct |
9 |
Correct |
16 ms |
2048 KB |
Output is correct |
10 |
Correct |
31 ms |
4352 KB |
Output is correct |
11 |
Correct |
402 ms |
6012 KB |
Output is correct |
12 |
Correct |
399 ms |
8056 KB |
Output is correct |
13 |
Correct |
460 ms |
8696 KB |
Output is correct |
14 |
Correct |
375 ms |
6904 KB |
Output is correct |
15 |
Correct |
248 ms |
5112 KB |
Output is correct |
16 |
Correct |
235 ms |
5112 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
1920 KB |
Output is correct |
2 |
Correct |
6 ms |
1920 KB |
Output is correct |
3 |
Correct |
6 ms |
1920 KB |
Output is correct |
4 |
Correct |
6 ms |
2048 KB |
Output is correct |
5 |
Correct |
6 ms |
1920 KB |
Output is correct |
6 |
Correct |
8 ms |
1920 KB |
Output is correct |
7 |
Correct |
12 ms |
2040 KB |
Output is correct |
8 |
Correct |
20 ms |
2176 KB |
Output is correct |
9 |
Correct |
16 ms |
2048 KB |
Output is correct |
10 |
Correct |
31 ms |
4352 KB |
Output is correct |
11 |
Correct |
402 ms |
6012 KB |
Output is correct |
12 |
Correct |
399 ms |
8056 KB |
Output is correct |
13 |
Correct |
460 ms |
8696 KB |
Output is correct |
14 |
Correct |
375 ms |
6904 KB |
Output is correct |
15 |
Correct |
248 ms |
5112 KB |
Output is correct |
16 |
Correct |
235 ms |
5112 KB |
Output is correct |
17 |
Execution timed out |
3079 ms |
6128 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3087 ms |
3664 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |