Cod sursa(job #2061532)

Utilizator dragos231456Neghina Dragos dragos231456 Data 9 noiembrie 2017 13:40:08
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.76 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[105][105],n;

void RoyFloyd()
{
    for(int k=1;k<=n;++k)
    {
        for(int i=1;i<=n;++i)
        {
            for(int j=1;j<=n;++j)
            {
                if(k!=i && k!=j && i!=j) a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
            }
        }
    }
}

int main()
{
    f>>n;
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
        {
            f>>a[i][j];
            if(a[i][j]==0 && i!=j) a[i][j]=1001;
        }
    }

    RoyFloyd();

    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
        {
            g<<a[i][j]<<' ';
        }
        g<<'\n';
    }
    return 0;
}