Cod sursa(job #2043062)

Utilizator Andrei2000Andrei Mihailescu Andrei2000 Data 19 octombrie 2017 16:51:42
Problema Drumuri minime Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.39 kb
#include <bits/stdc++.h>
using namespace std;

ifstream fin ("dmin.in");
ofstream fout ("dmin.out");

const int nmax=1505;
const int mod=104659;
const long double inf=1e8;
const long double eps=1e-10;

typedef pair< long double, int > pdi;
typedef pair< int,long double > pid;
priority_queue <pdi, vector<pdi>, greater<pdi> > Q;
vector<pid> G[nmax];
long double d[nmax];
int n,m,sol[nmax];


void dijkstra(int node){
    for(int i=1;i<=n;++i)d[i]=inf;
    r[node]=1;
    d[node]=0;
    Q.push({0,node});
    while(!Q.empty()){
        long double dist=Q.top().first;
        int node_st=Q.top().second;
        Q.pop();
        if(d[node_st]<dist)continue;
        for(auto edge: G[node_st]){
            if(d[edge.first]-(d[node_st]+edge.second)>=dif){
                d[edge.first]=d[node_st]+edge.second;
                r[edge.first]=r[node_st];
                Q.push({d[edge.first],edge.first});
            }
            else if(abs(d[edge.first]-(d[node_st]+edge.second))<dif)
                r[edge.first]=(r[edge.first]+r[node_st])%mod;
        }
    }
}

int main()
{
    int a,b;
    long double c;
    fin>>n>>m;
    for(int i=1;i<=m;++i){
        fin>>a>>b>>c;
        long double l=log10(c);
        G[a].push_back({b,l});
        G[b].push_back({a,l});
    }
    dijkstra(1);
    for(int i=2;i<=n;++i)fout<<r[i]<<' ';
    fout<<'\n';
    return 0;
}