Pagini recente » Cod sursa (job #2341296) | Cod sursa (job #1368317) | Cod sursa (job #2537205) | Cod sursa (job #1360335) | Cod sursa (job #2549468)
#include <fstream>
#include <vector>
#include <queue>
#define inf 0x3f3f3f3f
using namespace std;
ifstream f("bellmanford.in");
ofstream g("bellmanford.out");
struct nod
{
int vecin, cost;
};
int n, m, viz[105], d[105];
vector <nod> gr[105];
queue <int> q;
void bellman()
{
while(!q.empty())
{
int vf=q.front();
viz[vf]=0;
q.pop();
for(const nod &v:gr[vf])
{
int nc=d[vf]+v.cost;
if(d[v.vecin]>nc)
{
d[v.vecin]=nc;
if(viz[v.vecin]==0)
{
q.push(v.vecin);
viz[v.vecin]=1;
}
}
}
}
}
int main()
{
f>>n>>m;
for(int i=1; i<=m; i++)
{
int x, y, c;
f>>x>>y>>c;
gr[x].push_back({y, c});
}
for(int i=2; i<=n; i++)
d[i]=inf;
d[1]=0;
q.push(1);
viz[1]=1;
bellman();
for(int i=1; i<=n; i++)
g<<d[i]<<" ";
return 0;
}