Cod sursa(job #1023748)

Utilizator BartieSocaciu Vlad Bartie Data 7 noiembrie 2013 17:38:33
Problema Floyd-Warshall/Roy-Floyd Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.88 kb
#include <iostream>
#include <fstream>
using namespace std;

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

int main()
{
    int m[255][255],n,nr_drum[255][255]={0};
    fin>>n;
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            fin>>m[i][j];
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            if(m[i][j]!=0)
                nr_drum[i][j]++;
    for(int k=0;k<n;k++)
        for(int i=0;i<n;i++)
            for(int j=0;j<n;j++)
                if(m[i][k] && m[k][j] && i!=j && m[i][j]>=m[i][k]+m[k][j]){
                    m[i][j]=m[i][k]+m[k][j];nr_drum[i][j]++;
                }
    for(int i=0;i<n;i++){
        fout<<"\n";
        for(int j=0;j<n;j++)
            fout<<m[i][j]<<" ";
    }
    for(int i=0;i<n;i++){
        fout<<"\n";
        for(int j=0;j<n;j++)
            fout<<nr_drum[i][j]<<" ";
    }
    return 0;
}