Cod sursa(job #1388662)

Utilizator mirceadinoMircea Popoveniuc mirceadino Data 15 martie 2015 17:12:06
Problema Drumuri minime Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.18 kb
#include<algorithm>
#include<bitset>
#include<cmath>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<deque>
#include<fstream>
#include<iomanip>
#include<iostream>
#include<map>
#include<queue>
#include<set>
#include<stack>
#include<unordered_map>
#include<unordered_set>
#include<utility>
#include<vector>

using namespace std;

#define dbg(x) (cout<<#x<<" = "<<(x)<<'\n')
#ifdef HOME
const string inputFile = "input.txt";
const string outputFile = "output.txt";
#else
const string problemName = "dmin";
const string inputFile = problemName + ".in";
const string outputFile = problemName + ".out";
#endif

typedef long long int lld;
typedef pair<int, int> PII;
typedef pair<int, lld> PIL;
typedef pair<lld, int> PLI;
typedef pair<lld, lld> PLL;

const int INF = (1LL << 30) - 1;
const lld LINF = (1LL << 62) - 1;
const int dx[] = {1, 0, -1, 0, 1, -1, 1, -1};
const int dy[] = {0, 1, 0, -1, 1, -1, -1, 1};
const lld NMAX = 1500 + 5;
const lld MOD = 104659;

lld N, M;
vector<PLL> V[NMAX];
lld sol[NMAX];
lld D[NMAX];
bitset<NMAX> viz;
priority_queue<PLL, vector<PLL>, greater<PLL> > PQ;

void dijkstra(lld x) {
    lld i, y, z;

    for(i = 2; i <= N; i++)
        D[i] = LINF;

    D[x] = 0;
    PQ.push(make_pair(D[x], x));
    sol[x] = 1;

    while(!PQ.empty()) {
        x = PQ.top().second;
        PQ.pop();

        if(viz[x])
            continue;

        viz[x] = 1;

        for(auto nod : V[x]) {
            y = nod.first;
            z = nod.second;

            if(D[x] + z < D[y]) {
                D[y] = D[x] + z;
                PQ.push(make_pair(D[y], y));
                sol[y] = 0;
            }

            if(D[x] + z == D[y])
                sol[y] = (sol[y] + sol[x]) % MOD;
        }
    }
}

int main() {
    lld i, x, y, z;

#ifndef ONLINE_JUDGE
    freopen(inputFile.c_str(), "r", stdin);
    freopen(outputFile.c_str(), "w", stdout);
#endif

    scanf("%lld%lld", &N, &M);

    while(M--) {
        scanf("%lld%lld%lld", &x, &y, &z);
        z = 1.0 * log(z) * 1LL * 10000000000.0;
        V[x].push_back(make_pair(y, z));
        V[y].push_back(make_pair(x, z));
    }

    dijkstra(1);

    for(i = 2; i <= N; i++)
        printf("%lld ", sol[i]);

    return 0;
}