Cod sursa(job #2436586)

Utilizator mirelamimiMirela mirelamimi Data 6 iulie 2019 13:37:29
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.67 kb
#include<iostream>
#include<fstream>

using namespace std;

void roy_floyd(int n,int a[101][101])
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(a[i][j]>a[i][k]+a[k][j] && i!=j && i!=k && k!=j)
                    a[i][j]=a[i][k]+a[k][j];
}

int main()
{
    int n,a[101][101],i,j;
    ifstream f("royfloyd.in");
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            f>>a[i][j];
    f.close();
    roy_floyd(n,a);
    ofstream g("royfloyd.out");
    for(i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            g<<a[i][j]<<' ';
        g<<endl;
    }
    return 0;
}