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Cod sursa(job #610576)
#include <cstdio>
#include <cstring>
#include <vector>
#include <set>
#define nmax 15001
#define inf 0x3f3f3f3f
using namespace std;
typedef vector<pair<int, int> >::iterator it;
int rez[nmax], n, m, d[nmax];
vector<pair<int, int> > gf[nmax];
multiset<pair<int,int> > heap;
void dijkstra(){
memset(d, inf, sizeof(d));
d[1]=1;
rez[1]=1;
heap.insert(make_pair(1,1));
while(heap.size()){
int min = (*heap.begin()).first;
int nod = (*heap.begin()).second;
heap.erase(*heap.begin());
for(it i=gf[nod].begin(); i!=gf[nod].end(); i++){
int vecin = i->first;
int cost = i->second;
if (d[vecin] == d[nod] * cost) rez[vecin]+= rez[nod];
if (d[vecin] > d[nod] * cost){
d[vecin] = d[nod] * cost;
rez[vecin] = rez[nod];
heap.insert(make_pair(d[vecin], vecin));
}
}
}
}
int main(){
freopen("dmin.in","r",stdin);
freopen("dmin.out","w",stdout);
scanf("%d %d", &n, &m);
for(int i=1;i<=m;i++){
int x,y,c;
scanf("%d %d %d ", &x, &y, &c);
gf[x].push_back(make_pair(y,c));
gf[y].push_back(make_pair(x,c));
}
dijkstra();
for(int i=2; i<=n; i++) printf("%d ", rez[i]);
return 0;
}