Pagini recente » Cod sursa (job #82383) | Cod sursa (job #1955635) | Cod sursa (job #44404) | Cod sursa (job #688938) | Cod sursa (job #2537158)
#include <bits/stdc++.h>
#define NMAX 1502
#define INF 1000001
#define eps 1e-8
#define MOD 104659
using namespace std;
ifstream f("dmin.in"); ofstream g("dmin.out");
inline double modul(double x)
{ if(x<0) return -x;
return x;
}
vector < pair < int,double > >G[NMAX];
queue <int> Q;
int n, m, nrd[NMAX];
double dmin[NMAX];
bool viz[NMAX];
void bellmanFord()
{ int x, vecin;
double cost;
Q.push(1);
viz[1]=1;
while (!Q.empty())
{ x=Q.front();
Q.pop();
for (int i=0;i<G[x].size();i++)
{ vecin=G[x][i].first;
cost=G[x][i].second;
if(dmin[vecin]-eps>dmin[x]+cost)
{ dmin[vecin]=dmin[x]+cost;
nrd[vecin]=nrd[x];
if(!viz[vecin])
{ Q.push(vecin); viz[vecin]=1; }
}
else if(modul(dmin[vecin]-dmin[x]-cost)<=eps) nrd[vecin]=(nrd[vecin]+nrd[x])%MOD;
}
}
}
int main()
{ double z,cost;
f>>n>>m;
for (int x,y,i=1;i<=m;i++)
{ f>>x>>y>>cost;
z=log(cost);
G[x].push_back(make_pair(y,z));
G[y].push_back(make_pair(x,z));
}
nrd[1]=1;
for (int i=2;i<=n;i++) dmin[i]=INF;
bellmanFord();
for(int i=2;i<=n;++i) g<<nrd[i]<<' ';
return 0;
}