Cod sursa(job #1393276)

Utilizator tatianazTatiana Zapirtan tatianaz Data 19 martie 2015 11:33:17
Problema Drumuri minime Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.32 kb
#include <fstream>
#include <vector>
#include <queue>
#include <cmath>
using namespace std;

#define MOD 104659
#define INF 0x3f3f3f3f
#define eps 1e-10

ifstream is("dmin.in");
ofstream os("dmin.out");

int n, m, x, y, nod;
int cnt[1501];
double cost;
double d[1501];
vector <vector <pair <int, double> > > G;
priority_queue <int, vector<int>, greater<int> > Q;

int main()
{
    is >> n >> m;
    G.resize(n+1);
    for (int i = 1; i <= m; ++i)
    {
        is >> x >> y >> cost;
        G[x].push_back(make_pair(y, log(cost)));
        G[y].push_back(make_pair(x, log(cost)));
    }

    for (int i = 2; i <= n; ++i)
        d[i] = INF;

    Q.push(1);
    cnt[1] = 1;
    while ( !Q.empty() )
    {
        x = Q.top();
        Q.pop();
        for (int i = 0; i < G[x].size(); ++i)
        {
            nod = G[x][i].first;
            cost = G[x][i].second;
            if (fabs(d[x] + cost - d[nod]) < eps)
            {
                cnt[nod] += cnt[x];
                cnt[nod] %= MOD;
            }
            else
                if (d[nod] > d[x] + cost)
                {
                    cnt[nod] = cnt[x];
                    d[nod] = d[x] + cost;
                    Q.push(nod);
                }
        }
    }

    for (int i = 2; i <= n; ++i)
        os << cnt[i] << ' ';

    is.close();
    os.close();
    return 0;
}