Pagini recente » Cod sursa (job #1842851) | Cod sursa (job #2582879) | Cod sursa (job #1747775) | Cod sursa (job #1186379) | Cod sursa (job #1436951)
#include <iostream>
#include <fstream>
#include <vector>
#include <utility>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
int distanta[50005];
vector <pair <int, int> > G[50005];
int main()
{
int n,m,i,j,k,a,b,c;
f>>n>>m;
for(i=1;i<=m;i++)
{
f>>a>>b>>c;
G[a].push_back(make_pair(b,c));
}
for(i=1;i<=n;i++)
distanta[i]=1<<30;
distanta[1]=0;
for(i=1;i<=n-1;i++)
for(j=1;j<=n;j++)
for(k=0;k<G[j].size();k++)
if(distanta[j]+G[j][k].second<distanta[G[j][k].first])
distanta[G[j][k].first]=distanta[j]+G[j][k].second;
for(i=2;i<=n;i++)
g<<distanta[i]<<' ';
return 0;
}