Pagini recente » Cod sursa (job #1038986) | Cod sursa (job #2631859) | Cod sursa (job #1907750) | Cod sursa (job #2286142) | Cod sursa (job #3285251)
#include <bits/stdc++.h>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
struct muchie{
int j;
int c;
};
int n,m;
vector<vector<muchie> > v;
int d[10000],viz[10000];
int main()
{
f>>n>>m;
int x,y,c;
v.resize(n+1);
for(int i=1;i<=n;i++) d[i]=INT_MAX;
for(int i=1;i<=n;i++)
{
f>>x>>y>>c;
muchie e;
e.j=y;
e.c=c;
v[x].push_back(e);
}
d[1]=0;
for(int i=1;i<=n-1;i++)
{
int dmin=INT_MAX,s=0;
for(int j=1;j<=n;j++)
{
if(dmin>d[j] && !viz[j])
dmin=d[j],s=j;
}
for(int j=0;j<v[s].size();j++)
if(d[v[s][j].j]>d[s]+v[s][j].c && !viz[v[s][j].j]) d[v[s][j].j]=d[s]+v[s][j].c;
viz[s]=1;
}
for(int i=2;i<=n;i++)
{
if(d[i]==INT_MAX) g<<0<<" ";
else g<<d[i]<<" ";
}
return 0;
}