Pagini recente » Cod sursa (job #368341) | Cod sursa (job #403619) | Cod sursa (job #174678) | Cod sursa (job #2060026) | Cod sursa (job #3251539)
#include <bits/stdc++.h>
#include <vector>
#define skibidiDaydreams 500005
using namespace std;
ifstream fin("a.in");
ofstream fout("a.out");
vector <pair <int, int>> v[skibidiDaydreams];
int n,m,x,y,c;
set <pair < int,int>> s;
bool viz[skibidiDaydreams];
int dist[skibidiDaydreams];
int inf=38742349827;
int main()
{ fin>>n>>m;
for(int i=1; i<=m; i++){
fin>>x>>y>>c; v[x].push_back({y,c});
}
dist[1]=0;
for(int i=2; i<=n; i++) dist[i] = inf;
s.insert({0,1});
while(!s.empty()){
int nod = s.begin()->second;
s.erase(s.begin());
for(auto ed: v[nod]){
if(dist[ed.first]>dist[nod]+ed.second){
s.erase({dist[ed.first], ed.first});
dist[ed.first]=dist[nod]+ed.second;
s.insert({dist[ed.first],ed.first});
}
}
}
for(int i=2; i<=n; i++){
if(dist[i]==inf) fout<<"0 ";
else fout<<dist[i]<<" ";
}
return 0;
}