Cod sursa(job #3362847)

Utilizator RobertIon013Ion Robert Andrei RobertIon013 Data 12 august 2026 15:07:52
Problema Drumuri minime Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.63 kb
#include <bits/stdc++.h>

using namespace std;
const double INF=1e18;
const int MOD=104659;
const double EPS=1e-9;
int n,m;
vector<vector<pair<int,pair<int,double>>>> g;
vector<int> dijkstra(int src)
{
    vector<double> dist(n+1,INF);
    vector<int> nrs(n+1,0);
    priority_queue<pair<double,int>,vector<pair<double,int>>,greater<pair<double,int>>> pq;
    dist[src]=0.0;
    nrs[src]=1;
    pq.push({0.0,src});
    while(!pq.empty())
    {
        double d=pq.top().first;
        int u=pq.top().second;
        pq.pop();
        if(d>dist[u]+EPS)
        {
            continue;
        }
        for(auto &e:g[u])
        {
            int v=e.first;
            int w=e.second.first;
            double log_w=e.second.second;
            if(dist[u]+log_w<dist[v]-EPS)
            {
                dist[v]=dist[u]+log_w;
                nrs[v]=nrs[u];
                pq.push({dist[v],v});
            }
            else if(abs((dist[u]+log_w)-dist[v])<=EPS)
            {
                nrs[v]=(nrs[v]+nrs[u])%MOD;
            }
        }
    }
    return nrs;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    freopen("dmin.in","r",stdin);
    freopen("dmin.out","w",stdout);
    if(!(cin>>n>>m)) return 0;
    g.resize(n+1);
    for(int i=0;i<m;++i)
    {
        int u,v,w;
        cin>>u>>v>>w;
        double log_w=log((double)w);
        g[u].push_back({v,{w,log_w}});
        g[v].push_back({u,{w,log_w}});
    }
    vector<int> nrs=dijkstra(1);
    for(int i=2;i<=n;++i)
    {
        cout<<nrs[i]<<(i==n?"":" ");
    }
    cout<<'\n';

    return 0;
}