Submission #416239

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
416239	2021-06-02 08:19:14	Runtime_error_	Cheap flights (LMIO18_pigus_skrydziai)	C++14	100 / 100	1798 ms	113420 KiB

pigus_skrydziai

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#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const ll inf = 3e5+9;
ll n,m,ans;
vector<pair<ll,ll> > adj[inf];
map<ll,ll> edge[inf];
int main(){
    scanf("%lld%lld",&n,&m);
    for(ll i=1;i<=m;i++){
        ll u,v,w;
        scanf("%lld%lld%lld",&u,&v,&w);
        adj[u].pb(mp(w,v));
        adj[v].pb(mp(w,u));
        edge[u][v] = edge[v][u] = w;
    }
    for(ll i=1;i<=n;i++){
        sort(adj[i].rbegin(),adj[i].rend());
        ll sum = 0;
        for(auto o:adj[i])
            sum += o.first;
        ans = max(ans,sum);
        if(adj[i].size() > 1){
            auto u = adj[i][0],v = adj[i][1];
            ans = max(ans,u.first+v.first+edge[u.second][v.second]);
        }
 
 
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Compilation message (stderr)

pigus_skrydziai.cpp: In function 'int main()':
pigus_skrydziai.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%lld%lld",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
pigus_skrydziai.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%lld%lld%lld",&u,&v,&w);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 25 / 25
• Subtask 3: 16 / 16
• Subtask 4: 47 / 47