Cod sursa(job #1817707)

Utilizator JeffTuneMircea Adrian Mihai JeffTune Data 28 noiembrie 2016 12:52:18
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.76 kb
#include <fstream>
#include <limits.h>

using namespace std;

#define Nmax 100
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int N, a[Nmax][Nmax];

void RoyFloyd()
{
    int i, j, k;

    for(k = 0; k < N; k++)
        for(i = 0; i < N; i++)
            for(j = 0; j < N; j++)
                if(i != j && a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];

    for(i = 0; i < N; i++)
        {
        for(j = 0; j < N; j++)
                fout << a[i][j] << " ";
        fout<< "\n";
        }
}

int main()
{
    fin >> N;
    int i, j;

    for(i = 0; i < N; i++)
        for(j = 0; j < N; j++)
            fin>> a[i][j];

    RoyFloyd();

    return 0;
}