Cod sursa(job #737631)

Utilizator Theorytheo .c Theory Data 19 aprilie 2012 21:28:14
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int i, j ,n, v[103][103],m;
void read()
{
    fin>> n;
    for(i = 1; i <= n ;i++)
    {
        for(j = 1; j <= n; ++j)
            fin >>v[i][j];
    }
    for(int  k = 1; k <= n ;k++)
    {
        for(i = 1 ; i <= n ;i++)
        {
            for(j = 1; j <= n ;j++)
            {
                if(v[i][j] > v[i][k] + v[k][j]  && v[i][k] && v[k][j])
                    v[i][j] = v[i][k] + v[k][j];
            }
        }
    }
    for(i = 1;  i <= n; i++)
    {


        for(j = 1; j <= n ;j++)
            fout <<v[i][j] <<" " ;
        fout << '\n' ;
    }
}
int main()
{
    read();
    fin.close();
    return 0;
}