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Submission #550171

# Submission time Handle Problem Language Result Execution time Memory
550171 2022-04-17T12:51:07 Z fadi57 Cheap flights (LMIO18_pigus_skrydziai) C++14
100 / 100
 1447 ms 106184 KB 
#include<bits/stdc++.h>
using namespace std;

const int mx=500009;
typedef long long ll;
map<pair<int,int>,ll>mp;
vector<pair<int,ll>>adj[mx];
int n,m;
ll ans;
int vis[mx];
void dfs(int node,int par){
 vis[node]=2;
   for(auto it:adj[node]){
        if(it.first==par){continue;}
       if(vis[it.first]==2&&mp.find({par,it.first})!=mp.end()){
          ans=max(ans,1LL*(it.second+mp[{it.first,par}]+mp[{node,par}]));
       }else if(vis[it.first]){
         continue;
       }else{
         dfs(it.first,node);

       }


    }

  vis[node]=1;


}
int main()
{
     ios_base::sync_with_stdio(0);
     cin.tie();
    cin>>n>>m;
    for(int i=0; i<m; i++)
    {
        int x,y,w;
        cin>>x>>y>>w;
     adj[x].push_back({y,w});
       adj[y].push_back({x,w});
       mp[{x,y}]=w;
       mp[{y,x}]=w;
    }

    for(int i=1;i<=n;i++){
          if(!vis[i]){
            dfs(i,0);
          }
          ll tmp=0;
          for(auto it:adj[i]){
            tmp+=it.second;
          }
          ans=max(ans,tmp);
    }
    cout<<ans;

}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 11988 KB Output is correct
2 Correct 8 ms 11988 KB Output is correct
3 Correct 8 ms 12036 KB Output is correct
4 Correct 6 ms 11988 KB Output is correct
5 Correct 6 ms 11988 KB Output is correct
6 Correct 23 ms 15424 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 7 ms 11988 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 10 ms 12148 KB Output is correct
12 Correct 8 ms 12116 KB Output is correct
13 Correct 7 ms 12112 KB Output is correct
14 Correct 6 ms 11988 KB Output is correct
15 Correct 9 ms 12032 KB Output is correct
16 Correct 7 ms 11988 KB Output is correct
17 Correct 8 ms 11988 KB Output is correct
18 Correct 7 ms 12172 KB Output is correct
19 Correct 8 ms 12372 KB Output is correct
20 Correct 6 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 11988 KB Output is correct
2 Correct 8 ms 11988 KB Output is correct
3 Correct 8 ms 12036 KB Output is correct
4 Correct 6 ms 11988 KB Output is correct
5 Correct 6 ms 11988 KB Output is correct
6 Correct 23 ms 15424 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 7 ms 11988 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 10 ms 12148 KB Output is correct
12 Correct 8 ms 12116 KB Output is correct
13 Correct 7 ms 12112 KB Output is correct
14 Correct 6 ms 11988 KB Output is correct
15 Correct 9 ms 12032 KB Output is correct
16 Correct 7 ms 11988 KB Output is correct
17 Correct 8 ms 11988 KB Output is correct
18 Correct 7 ms 12172 KB Output is correct
19 Correct 8 ms 12372 KB Output is correct
20 Correct 6 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 1447 ms 95804 KB Output is correct
23 Correct 630 ms 90828 KB Output is correct
24 Correct 34 ms 15564 KB Output is correct
25 Correct 15 ms 13140 KB Output is correct
26 Correct 13 ms 13140 KB Output is correct
27 Correct 10 ms 12500 KB Output is correct
28 Correct 379 ms 45384 KB Output is correct
29 Correct 215 ms 25356 KB Output is correct
30 Correct 280 ms 31708 KB Output is correct
31 Correct 6 ms 12116 KB Output is correct
32 Correct 7 ms 12116 KB Output is correct
33 Correct 514 ms 93572 KB Output is correct
34 Correct 458 ms 87184 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 298 ms 43676 KB Output is correct
2 Correct 643 ms 70612 KB Output is correct
3 Correct 197 ms 31604 KB Output is correct
4 Correct 392 ms 51292 KB Output is correct
5 Correct 950 ms 80684 KB Output is correct
6 Correct 178 ms 32892 KB Output is correct
7 Correct 222 ms 71976 KB Output is correct
8 Correct 299 ms 69280 KB Output is correct
9 Correct 11 ms 13396 KB Output is correct
10 Correct 141 ms 32992 KB Output is correct
11 Correct 278 ms 69656 KB Output is correct
12 Correct 254 ms 54044 KB Output is correct
13 Correct 7 ms 12132 KB Output is correct
14 Correct 170 ms 30156 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 298 ms 43676 KB Output is correct
2 Correct 643 ms 70612 KB Output is correct
3 Correct 197 ms 31604 KB Output is correct
4 Correct 392 ms 51292 KB Output is correct
5 Correct 950 ms 80684 KB Output is correct
6 Correct 178 ms 32892 KB Output is correct
7 Correct 222 ms 71976 KB Output is correct
8 Correct 299 ms 69280 KB Output is correct
9 Correct 11 ms 13396 KB Output is correct
10 Correct 141 ms 32992 KB Output is correct
11 Correct 278 ms 69656 KB Output is correct
12 Correct 254 ms 54044 KB Output is correct
13 Correct 7 ms 12132 KB Output is correct
14 Correct 170 ms 30156 KB Output is correct
15 Correct 8 ms 11988 KB Output is correct
16 Correct 8 ms 11988 KB Output is correct
17 Correct 8 ms 12036 KB Output is correct
18 Correct 6 ms 11988 KB Output is correct
19 Correct 6 ms 11988 KB Output is correct
20 Correct 23 ms 15424 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 7 ms 11988 KB Output is correct
23 Correct 6 ms 11988 KB Output is correct
24 Correct 6 ms 11988 KB Output is correct
25 Correct 10 ms 12148 KB Output is correct
26 Correct 8 ms 12116 KB Output is correct
27 Correct 7 ms 12112 KB Output is correct
28 Correct 6 ms 11988 KB Output is correct
29 Correct 9 ms 12032 KB Output is correct
30 Correct 7 ms 11988 KB Output is correct
31 Correct 8 ms 11988 KB Output is correct
32 Correct 7 ms 12172 KB Output is correct
33 Correct 8 ms 12372 KB Output is correct
34 Correct 6 ms 11988 KB Output is correct
35 Correct 6 ms 11988 KB Output is correct
36 Correct 1447 ms 95804 KB Output is correct
37 Correct 630 ms 90828 KB Output is correct
38 Correct 34 ms 15564 KB Output is correct
39 Correct 15 ms 13140 KB Output is correct
40 Correct 13 ms 13140 KB Output is correct
41 Correct 10 ms 12500 KB Output is correct
42 Correct 379 ms 45384 KB Output is correct
43 Correct 215 ms 25356 KB Output is correct
44 Correct 280 ms 31708 KB Output is correct
45 Correct 6 ms 12116 KB Output is correct
46 Correct 7 ms 12116 KB Output is correct
47 Correct 514 ms 93572 KB Output is correct
48 Correct 458 ms 87184 KB Output is correct
49 Correct 498 ms 50572 KB Output is correct
50 Correct 411 ms 48688 KB Output is correct
51 Correct 597 ms 53388 KB Output is correct
52 Correct 799 ms 63612 KB Output is correct
53 Correct 155 ms 31544 KB Output is correct
54 Correct 729 ms 69396 KB Output is correct
55 Correct 674 ms 106184 KB Output is correct
56 Correct 392 ms 74508 KB Output is correct
57 Correct 540 ms 65940 KB Output is correct
58 Correct 302 ms 40552 KB Output is correct
59 Correct 795 ms 72460 KB Output is correct
60 Correct 796 ms 65488 KB Output is correct
61 Correct 753 ms 63172 KB Output is correct