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Cod sursa(job #534350)
#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
#define nmax 50001
long n, m;
vector < pair<long, int> > v[nmax];
queue <long> Q;
long d[nmax];
inline void citire()
{
long x, y, c;
freopen("dijkstra.in","r",stdin); scanf("%ld %ld", &n, &m);
for(long i=1; i<=n; i++)
{
scanf("%ld %ld %d", &x, &y, &c);
v[x].push_back( make_pair(y, c) );
}
}
inline void afisare()
{
freopen("dijkstra.out","w",stdout);
for(long i=2; i<=n; i++)
printf("%ld ", d[i]);
}
void bellman_ford()
{
long nod, next;
Q.push(1);
while(!Q.empty())
{
nod = Q.front(); Q.pop();
for(long i=0; i<v[nod].size(); i++)
if(d[nod]+v[nod][i].second < d[ v[nod][i].first ] || d[v[nod][i].first]==0 )
{
d[ v[nod][i].first ] = d[nod] + v[nod][i].second;
Q.push(v[nod][i].first);
}
}
}
int main()
{
citire();
bellman_ford();
afisare();
return 0;
}