#include "dreaming.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define nmax 100008
const int inf = 1e9 + 7;
using namespace std;
typedef pair<int, int> pii;
vector<pii>vt, l[nmax];
bool kt[nmax];
int n, dis[2][nmax];
stack<int>s;
void bfs(int root, int id){
fill(dis[id], dis[id] + nmax, -1);
s.push(root);
dis[id][root] = 0;
while (!s.empty()){
int u = s.top();
s.pop();
for (pii it : l[u])
if (dis[id][it.fi] == -1){
dis[id][it.fi] = dis[id][u] + it.se;
s.push(it.fi);
}
}
}
pii calc(int rt){
bfs(rt, 0);
int u = 0, v = 0, res = inf;
for (int i = 1; i < n; i++)
if (dis[0][u] < dis[0][i])
u = i;
bfs(u, 1);
for (int i = 1; i < n; i++)
if (dis[1][v] < dis[1][i])
v = i;
bfs(v, 0);
for (int i = 0; i < n; i++)
res = min(res, max(dis[0][i], dis[1][i]));
return {dis[0][rt], res};
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
n = N;
for (int i = 0; i < M; i++){
int u = A[i], v = B[i], w = T[i];
l[u].push_back({v, w});
l[v].push_back({u, w});
}
assert(M == N - 2);
memset(kt, false, sizeof(kt));
for (int i = 0; i < N; i++)
if (!kt)
vt.push_back(calc(i));
return vt[0].se + vt[1].se + L;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
34 ms |
13320 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
4 ms |
5332 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
34 ms |
13320 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
16 ms |
9940 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
4 ms |
5332 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
34 ms |
13320 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |