Cod sursa(job #1841128)

Utilizator VladAfrasineiAfrasinei VladAfrasinei Data 5 ianuarie 2017 12:59:52
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.62 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[257][257],n;

int main()
{
    int i,j,k;
fin>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
        {fin>>a[i][j];
         if(a[i][j]==0)
            a[i][j]=100005;
        }
for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            if(i!=k&&j!=k&&(a[i][j]>a[i][k]+a[k][j]))
                a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
    a[i][i]=0;
for(i=1;i<=n;i++)
{
    for(j=1;j<=n;j++)
        fout<<a[i][j]<<" ";
    fout<<"\n";
}

    return 0;
}