#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5+1;
vector<pair<int,int>>adj[MAXN];
bool vis[MAXN];
int dep[MAXN],p[MAXN];
vector<int>cc;
int mn = 2e9,ans = 0;
void dfs(int v,int u){
vis[v] = 1;
cc.push_back(v);
for(auto x:adj[v]){
if(x.first != u){
dfs(x.first,v);
dep[v] = max(dep[v],dep[x.first] + x.second);
}
}
}
void dfs2(int v,int u){
for(auto x:adj[v]){
if(x.first != u){
dfs2(x.first,v);
dep[v] = max(dep[v],dep[x.first] + x.second);
}
}
}
void get(int v,int u){
multiset<int,greater<int>>s;
s.insert(p[v]);
for(auto x:adj[v]){
if(x.first == u)continue;
s.insert(dep[x.first] + x.second);
}
int mx = max(p[v],dep[v]);
mn = min(mx,mn);
for(auto x:adj[v]){
if(x.first == u)continue;
s.erase(s.find(dep[x.first] + x.second));
p[x.first] = *s.begin() + x.second;
get(x.first,v);
s.insert(dep[x.first] + x.second);
}
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
for(int i=0;i<M;i++){
adj[A[i]].push_back({B[i],T[i]});
adj[B[i]].push_back({A[i],T[i]});
}
vector<int>v;
for(int i=0;i<N;i++){
if(!vis[i]){
cc.clear();
dfs(i,-1);
mn = 1e9;
for(int x:cc){
for(int j=0;j<N;j++)dep[j] = p[j] = 0;
dfs2(x,-1);
mn = min(mn,dep[x]);
ans = max(ans,dep[x]);
}
v.push_back(mn);
//cout<<i<<" "<<mn<<'\n';
}
}
//for(int i=0;i<N;i++)cout<<dep[i]<<" ";
//cout<<'\n';
//for(int i=0;i<N;i++)cout<<p[i]<<" ";
//cout<<'\n';
sort(v.begin(),v.end(),greater<int>());
if(v.size()>=2)ans = max(ans,v[0] + v[1] + L);
if(v.size()>=3)ans = max(ans,v[1] + v[2] + 2*L);
return ans;
}
/*
int main(){
int n,m,l;
cin>>n>>m>>l;
int a[m],b[m],t[m];
for(int i=0;i<m;i++)cin>>a[i]>>b[i]>>t[i];
cout<<travelTime(n,m,l,a,b,t);
}*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1078 ms |
11724 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 4 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 7 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 8 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 14 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 15 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 17 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 18 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2664 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2644 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1078 ms |
11724 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1083 ms |
6372 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 2 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 4 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 5 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 6 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 7 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 8 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 9 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 10 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 13 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 14 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 15 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 17 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 18 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2664 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 27 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 28 |
Correct |
6 ms |
2772 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 30 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 31 |
Correct |
6 ms |
2772 KB |
Output is correct |
| 32 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 33 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 34 |
Correct |
7 ms |
2880 KB |
Output is correct |
| 35 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 36 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 37 |
Correct |
2 ms |
2664 KB |
Output is correct |
| 38 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 39 |
Correct |
2 ms |
2668 KB |
Output is correct |
| 40 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 41 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 42 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 43 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 44 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 45 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 46 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 47 |
Correct |
3 ms |
2660 KB |
Output is correct |
| 48 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 49 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 50 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 51 |
Correct |
2 ms |
2660 KB |
Output is correct |
| 52 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 53 |
Correct |
3 ms |
2652 KB |
Output is correct |
| 54 |
Correct |
189 ms |
3104 KB |
Output is correct |
| 55 |
Correct |
189 ms |
3088 KB |
Output is correct |
| 56 |
Correct |
4 ms |
2832 KB |
Output is correct |
| 57 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 58 |
Correct |
66 ms |
2892 KB |
Output is correct |
| 59 |
Correct |
103 ms |
2900 KB |
Output is correct |
| 60 |
Correct |
6 ms |
2772 KB |
Output is correct |
| 61 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 62 |
Correct |
65 ms |
2888 KB |
Output is correct |
| 63 |
Correct |
61 ms |
2900 KB |
Output is correct |
| 64 |
Correct |
4 ms |
2664 KB |
Output is correct |
| 65 |
Correct |
5 ms |
2808 KB |
Output is correct |
| 66 |
Correct |
131 ms |
2904 KB |
Output is correct |
| 67 |
Correct |
65 ms |
2900 KB |
Output is correct |
| 68 |
Correct |
4 ms |
2828 KB |
Output is correct |
| 69 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 70 |
Correct |
4 ms |
2676 KB |
Output is correct |
| 71 |
Correct |
4 ms |
2672 KB |
Output is correct |
| 72 |
Correct |
106 ms |
2844 KB |
Output is correct |
| 73 |
Correct |
101 ms |
2900 KB |
Output is correct |
| 74 |
Correct |
6 ms |
2772 KB |
Output is correct |
| 75 |
Correct |
9 ms |
2884 KB |
Output is correct |
| 76 |
Correct |
80 ms |
2900 KB |
Output is correct |
| 77 |
Correct |
93 ms |
2912 KB |
Output is correct |
| 78 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 79 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 80 |
Correct |
4 ms |
2644 KB |
Output is correct |
| 81 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 82 |
Correct |
5 ms |
2772 KB |
Output is correct |
| 83 |
Correct |
8 ms |
2772 KB |
Output is correct |
| 84 |
Correct |
11 ms |
2788 KB |
Output is correct |
| 85 |
Correct |
4 ms |
2644 KB |
Output is correct |
| 86 |
Correct |
40 ms |
2832 KB |
Output is correct |
| 87 |
Correct |
95 ms |
2772 KB |
Output is correct |
| 88 |
Correct |
7 ms |
2764 KB |
Output is correct |
| 89 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 90 |
Correct |
4 ms |
2680 KB |
Output is correct |
| 91 |
Correct |
4 ms |
2772 KB |
Output is correct |
| 92 |
Correct |
27 ms |
2804 KB |
Output is correct |
| 93 |
Correct |
32 ms |
2828 KB |
Output is correct |
| 94 |
Correct |
34 ms |
2800 KB |
Output is correct |
| 95 |
Correct |
51 ms |
2772 KB |
Output is correct |
| 96 |
Correct |
44 ms |
2860 KB |
Output is correct |
| 97 |
Correct |
41 ms |
2772 KB |
Output is correct |
| 98 |
Correct |
48 ms |
2860 KB |
Output is correct |
| 99 |
Correct |
91 ms |
2900 KB |
Output is correct |
| 100 |
Correct |
62 ms |
2772 KB |
Output is correct |
| 101 |
Correct |
61 ms |
2860 KB |
Output is correct |
| 102 |
Correct |
2 ms |
2664 KB |
Output is correct |
| 103 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 104 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 105 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 106 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 107 |
Correct |
2 ms |
2656 KB |
Output is correct |
| 108 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 109 |
Correct |
2 ms |
2668 KB |
Output is correct |
| 110 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 111 |
Correct |
2 ms |
2644 KB |
Output is correct |
| 112 |
Correct |
3 ms |
2644 KB |
Output is correct |
| 113 |
Correct |
7 ms |
2676 KB |
Output is correct |
| 114 |
Correct |
10 ms |
2772 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Execution timed out |
1078 ms |
11724 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
