//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ve vector
typedef long long ll;
const int INF = 1e9;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int k, n, m, o, a, b, t, u, v, d, dNew;
ve<ve<pair<int, int>>> G;
ve<int> D;
priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> PQ;
cin >> k >> n >> m >> o;
G = ve<ve<pair<int, int>>>(n);
for (int i = 0; i < m; i++) {
cin >> a >> b >> t;
G[a].push_back({b, t});
}
for (int i = 0; i < o; i++) {
cin >> a >> b;
D = vector<int>(n, INF);
D[a] = 0;
PQ.push({0, a});
while (!PQ.empty()) {
tie(d, u) = PQ.top();
PQ.pop();
for (pair<int, int> e : G[u]) {
tie(v, t) = e;
dNew = d + t;
if (dNew < D[v]) {
D[v] = dNew;
PQ.push({dNew, v});
}
}
}
if (D[b] == INF) cout << -1 << endl;
else cout << D[b] << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3074 ms |
3916 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3070 ms |
3656 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
9 ms |
384 KB |
Output is correct |
8 |
Correct |
17 ms |
512 KB |
Output is correct |
9 |
Correct |
13 ms |
512 KB |
Output is correct |
10 |
Correct |
33 ms |
4276 KB |
Output is correct |
11 |
Correct |
296 ms |
5056 KB |
Output is correct |
12 |
Correct |
401 ms |
6384 KB |
Output is correct |
13 |
Correct |
467 ms |
6532 KB |
Output is correct |
14 |
Correct |
383 ms |
6004 KB |
Output is correct |
15 |
Correct |
254 ms |
3840 KB |
Output is correct |
16 |
Correct |
251 ms |
3832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
9 ms |
384 KB |
Output is correct |
8 |
Correct |
17 ms |
512 KB |
Output is correct |
9 |
Correct |
13 ms |
512 KB |
Output is correct |
10 |
Correct |
33 ms |
4276 KB |
Output is correct |
11 |
Correct |
296 ms |
5056 KB |
Output is correct |
12 |
Correct |
401 ms |
6384 KB |
Output is correct |
13 |
Correct |
467 ms |
6532 KB |
Output is correct |
14 |
Correct |
383 ms |
6004 KB |
Output is correct |
15 |
Correct |
254 ms |
3840 KB |
Output is correct |
16 |
Correct |
251 ms |
3832 KB |
Output is correct |
17 |
Execution timed out |
3058 ms |
5216 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3074 ms |
3916 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |