#include <bits/stdc++.h>
using namespace std;
#define max3(a, b, c) max(a, max(b, c))
#define min3(a, b, c) min(a, min(b, c))
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define uset unordered_set
#define umap unordered_map
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>
struct edge {
int to, t, cost;
edge(int to, int t, int cost) : to(to), t(t), cost(cost) {}
bool operator < (const edge &b) const {
if(to == b.to) {
if(t == b.t)
return cost < b.cost;
return t < b.t;
}
return to < b.to;
}
};
struct point {
int u, v, t, cost;
point(int u, int v, int t, int cost) : u(u), v(v), t(t), cost(cost) {}
};
const ll inf = 2e15;
const int N = 2e3 + 15;
int n, m;
map <int, int> d[N];
set <edge> g[N];
vector <point> edges;
int main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for(int i = 1; i <= m; ++i) {
int u, v, t, c;
cin >> u >> v >> t >> c;
edges.pb(*new point(u, v, t, c));
edges.pb(*new point(v, u, t, c));
}
d[1][0] = 0;
m <<= 1;
for(int i = 1; i <= n; ++i) {
for(int j = 0; j < m; ++j) {
int u = edges[j].u, v = edges[j].v, t = edges[j].t, cost = edges[j].cost;
for(map <int, int>::iterator it = d[u].begin(); it != d[u].end(); ++it) {
if(d[v].find(it->f + t) == d[v].end() || d[u][it->f] + cost < d[v][it->f + t])
d[v][it->f + t] = d[u][it->f] + cost;
}
}
}
for(int i = 2; i <= n; ++i) {
ll ans = inf;
for(map <int, int>::iterator it = d[i].begin(); it != d[i].end(); ++it)
ans = min(ans, it->f * (ll)it->se);
cout << (ans == inf ? - 1 : ans) << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
413 ms |
2388 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2526 ms |
37140 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2510 ms |
16652 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2519 ms |
38084 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1317 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2562 ms |
123384 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2557 ms |
10168 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2530 ms |
99640 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2551 ms |
87492 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2541 ms |
17756 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |