Submission #44242

#TimeUsernameProblemLanguageResultExecution timeMemory
44242NnandiSightseeing (NOI14_sightseeing)C++14
15 / 25
3536 ms190416 KiB
#include <bits/stdc++.h> #define PB push_back using namespace std; struct El { int to, w; El(int cel, int suly) { w=suly; to=cel; } El() { } const bool operator< (El masik) const { return w<masik.w; } }; const int maxn=500005; vector<El> graf[maxn]; int d[maxn]; bool volte[maxn]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m, q; cin>>n>>m>>q; for(int i=0;i<m;i++) { int u, v, w; cin>>u>>v>>w; u--; v--; graf[u].PB(El(v,w)); graf[v].PB(El(u,w)); } El kezdo(0,INT_MAX); priority_queue<El> kovi; kovi.push(kezdo); while(!kovi.empty()) { El akt=kovi.top(); kovi.pop(); if(!volte[akt.to]) { volte[akt.to]=true; d[akt.to]=akt.w; for(El s:graf[akt.to]) { if(!volte[s.to]) { s.w=min(s.w,akt.w); kovi.push(s); } } } } vector<int> sol; for(int i=0;i<q;i++) { int z; cin>>z; z--; sol.push_back(d[z]); } for(int d:sol) { cout<<d<<endl; } return 0; }
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