#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn = 1e5;
vector<pair<int,int>> g[maxn];
vector<int> C;
int mx,to,cst[maxn],t,best,mn,vis[maxn],c;
void path(int u,int cost){
vis[u] = c;
if(cost > mx){
mx = cost;
to = u;
}
for(pair<int,int> cur : g[u]){
int v = cur.first;
int w = cur.second;
if(vis[v] == c)continue;
path(v,cost + w);
}
}
void dfs(int u,int cost){
vis[u] = c;
if(t == 1){
cst[u] = max(cst[u],cost);
if(cst[u] < mn){
mn = cst[u];
best = u;
}
}else cst[u] = cost;
for(pair<int,int> cur : g[u]){
int v = cur.first;
int w = cur.second;
if(vis[v] == c)continue;
dfs(v,cost + w);
}
}
void find(int s){
mn = 2e9;
mx = 0;
c++;
path(s,0);
int a = to;
c++;
mx = 0;
path(a,0);
int b = to;
t = 0;
c++;
dfs(a,0);
t = 1;
c++;
dfs(b,0);
C.push_back(best);
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
for(int i=0;i<M;i++){
g[A[i]].push_back({B[i],T[i]});
g[B[i]].push_back({A[i],T[i]});
}
for(int i=0;i<N;i++)
if(!vis[i])
find(i);
for(int i=1;i<C.size();i++){
g[C[i]].push_back({C[0],L});
g[C[0]].push_back({C[i],L});
}
c++;
mx = 0;
path(0,0);
c++;
mx = 0;
path(to,0);
return mx;
}
Compilation message
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:71:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=1;i<C.size();i++){
~^~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
10104 KB |
Output is correct |
2 |
Correct |
75 ms |
10236 KB |
Output is correct |
3 |
Correct |
43 ms |
7544 KB |
Output is correct |
4 |
Correct |
12 ms |
3712 KB |
Output is correct |
5 |
Correct |
11 ms |
3328 KB |
Output is correct |
6 |
Correct |
20 ms |
4352 KB |
Output is correct |
7 |
Correct |
3 ms |
2688 KB |
Output is correct |
8 |
Correct |
38 ms |
5404 KB |
Output is correct |
9 |
Correct |
45 ms |
6400 KB |
Output is correct |
10 |
Correct |
4 ms |
2688 KB |
Output is correct |
11 |
Correct |
66 ms |
7672 KB |
Output is correct |
12 |
Correct |
77 ms |
9000 KB |
Output is correct |
13 |
Correct |
4 ms |
2688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
10104 KB |
Output is correct |
2 |
Correct |
75 ms |
10236 KB |
Output is correct |
3 |
Correct |
43 ms |
7544 KB |
Output is correct |
4 |
Correct |
12 ms |
3712 KB |
Output is correct |
5 |
Correct |
11 ms |
3328 KB |
Output is correct |
6 |
Correct |
20 ms |
4352 KB |
Output is correct |
7 |
Correct |
3 ms |
2688 KB |
Output is correct |
8 |
Correct |
38 ms |
5404 KB |
Output is correct |
9 |
Correct |
45 ms |
6400 KB |
Output is correct |
10 |
Correct |
4 ms |
2688 KB |
Output is correct |
11 |
Correct |
66 ms |
7672 KB |
Output is correct |
12 |
Correct |
77 ms |
9000 KB |
Output is correct |
13 |
Correct |
4 ms |
2688 KB |
Output is correct |
14 |
Correct |
4 ms |
2688 KB |
Output is correct |
15 |
Correct |
3 ms |
2688 KB |
Output is correct |
16 |
Correct |
4 ms |
2688 KB |
Output is correct |
17 |
Correct |
3 ms |
2688 KB |
Output is correct |
18 |
Correct |
4 ms |
2688 KB |
Output is correct |
19 |
Correct |
4 ms |
2688 KB |
Output is correct |
20 |
Correct |
4 ms |
2688 KB |
Output is correct |
21 |
Correct |
4 ms |
2688 KB |
Output is correct |
22 |
Correct |
4 ms |
2688 KB |
Output is correct |
23 |
Correct |
4 ms |
2688 KB |
Output is correct |
24 |
Correct |
4 ms |
2700 KB |
Output is correct |
25 |
Correct |
3 ms |
2688 KB |
Output is correct |
26 |
Correct |
4 ms |
2688 KB |
Output is correct |
27 |
Correct |
4 ms |
2748 KB |
Output is correct |
28 |
Incorrect |
3 ms |
2688 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
10104 KB |
Output is correct |
2 |
Correct |
75 ms |
10236 KB |
Output is correct |
3 |
Correct |
43 ms |
7544 KB |
Output is correct |
4 |
Correct |
12 ms |
3712 KB |
Output is correct |
5 |
Correct |
11 ms |
3328 KB |
Output is correct |
6 |
Correct |
20 ms |
4352 KB |
Output is correct |
7 |
Correct |
3 ms |
2688 KB |
Output is correct |
8 |
Correct |
38 ms |
5404 KB |
Output is correct |
9 |
Correct |
45 ms |
6400 KB |
Output is correct |
10 |
Correct |
4 ms |
2688 KB |
Output is correct |
11 |
Correct |
66 ms |
7672 KB |
Output is correct |
12 |
Correct |
77 ms |
9000 KB |
Output is correct |
13 |
Correct |
4 ms |
2688 KB |
Output is correct |
14 |
Correct |
4 ms |
2688 KB |
Output is correct |
15 |
Correct |
3 ms |
2688 KB |
Output is correct |
16 |
Correct |
4 ms |
2688 KB |
Output is correct |
17 |
Correct |
3 ms |
2688 KB |
Output is correct |
18 |
Correct |
4 ms |
2688 KB |
Output is correct |
19 |
Correct |
4 ms |
2688 KB |
Output is correct |
20 |
Correct |
4 ms |
2688 KB |
Output is correct |
21 |
Correct |
4 ms |
2688 KB |
Output is correct |
22 |
Correct |
4 ms |
2688 KB |
Output is correct |
23 |
Correct |
4 ms |
2688 KB |
Output is correct |
24 |
Correct |
4 ms |
2700 KB |
Output is correct |
25 |
Correct |
3 ms |
2688 KB |
Output is correct |
26 |
Correct |
4 ms |
2688 KB |
Output is correct |
27 |
Correct |
4 ms |
2748 KB |
Output is correct |
28 |
Incorrect |
3 ms |
2688 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
33 ms |
7016 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
10104 KB |
Output is correct |
2 |
Correct |
75 ms |
10236 KB |
Output is correct |
3 |
Correct |
43 ms |
7544 KB |
Output is correct |
4 |
Correct |
12 ms |
3712 KB |
Output is correct |
5 |
Correct |
11 ms |
3328 KB |
Output is correct |
6 |
Correct |
20 ms |
4352 KB |
Output is correct |
7 |
Correct |
3 ms |
2688 KB |
Output is correct |
8 |
Correct |
38 ms |
5404 KB |
Output is correct |
9 |
Correct |
45 ms |
6400 KB |
Output is correct |
10 |
Correct |
4 ms |
2688 KB |
Output is correct |
11 |
Correct |
66 ms |
7672 KB |
Output is correct |
12 |
Correct |
77 ms |
9000 KB |
Output is correct |
13 |
Correct |
4 ms |
2688 KB |
Output is correct |
14 |
Correct |
4 ms |
2816 KB |
Output is correct |
15 |
Correct |
4 ms |
2816 KB |
Output is correct |
16 |
Correct |
4 ms |
2816 KB |
Output is correct |
17 |
Incorrect |
4 ms |
2688 KB |
Output isn't correct |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
10104 KB |
Output is correct |
2 |
Correct |
75 ms |
10236 KB |
Output is correct |
3 |
Correct |
43 ms |
7544 KB |
Output is correct |
4 |
Correct |
12 ms |
3712 KB |
Output is correct |
5 |
Correct |
11 ms |
3328 KB |
Output is correct |
6 |
Correct |
20 ms |
4352 KB |
Output is correct |
7 |
Correct |
3 ms |
2688 KB |
Output is correct |
8 |
Correct |
38 ms |
5404 KB |
Output is correct |
9 |
Correct |
45 ms |
6400 KB |
Output is correct |
10 |
Correct |
4 ms |
2688 KB |
Output is correct |
11 |
Correct |
66 ms |
7672 KB |
Output is correct |
12 |
Correct |
77 ms |
9000 KB |
Output is correct |
13 |
Correct |
4 ms |
2688 KB |
Output is correct |
14 |
Correct |
4 ms |
2688 KB |
Output is correct |
15 |
Correct |
3 ms |
2688 KB |
Output is correct |
16 |
Correct |
4 ms |
2688 KB |
Output is correct |
17 |
Correct |
3 ms |
2688 KB |
Output is correct |
18 |
Correct |
4 ms |
2688 KB |
Output is correct |
19 |
Correct |
4 ms |
2688 KB |
Output is correct |
20 |
Correct |
4 ms |
2688 KB |
Output is correct |
21 |
Correct |
4 ms |
2688 KB |
Output is correct |
22 |
Correct |
4 ms |
2688 KB |
Output is correct |
23 |
Correct |
4 ms |
2688 KB |
Output is correct |
24 |
Correct |
4 ms |
2700 KB |
Output is correct |
25 |
Correct |
3 ms |
2688 KB |
Output is correct |
26 |
Correct |
4 ms |
2688 KB |
Output is correct |
27 |
Correct |
4 ms |
2748 KB |
Output is correct |
28 |
Incorrect |
3 ms |
2688 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |