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#include <bits/stdc++.h>
#define MAX 50003
using namespace std;
int d[MAX], n, m;
vector < pair <int, int> > G[MAX];
queue <int> Q;
int nr[MAX];
bool inQ[MAX];
void init()
{
int i;
for(i = 1; i <= n; i ++) d[i] = INT_MAX;
d[1] = 0;
}
bool bellman()
{
int i, nod, x;
bool negativ = false;
Q.push(1);
while(!Q.empty() && !negativ)
{
nod = Q.front();
Q.pop();
inQ[nod] = false;
x=G[nod].size();
for(i = 0; i < x && !negativ; i ++)
if(d[G[nod][i].first] > d[nod] + G[nod][i].second)
{
d[G[nod][i].first] = d[nod] + G[nod][i].second;
if(!inQ[G[nod][i].first])
{
if(nr[G[nod][i].first] < n)
{
Q.push(G[nod][i].first);
nr[G[nod][i].first] ++;
inQ[G[nod][i].first] = true;
} else negativ = true;
}
}
}
return negativ;
}
int main()
{
int x, y, c, i;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
f >> n >> m;
for(i = 1; i <= m; i ++)
{
f >> x >> y >> c;
G[x].push_back(make_pair(y, c));
}
init();
if(bellman()) g << "Ciclu negativ!\n";
else for(i = 2; i <= n; i ++) g << d[i] << " ";
return 0;
}