Cod sursa(job #1627297)

Utilizator tavitTeodorescu Octavian tavit Data 3 martie 2016 16:19:49
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.76 kb
#include <iostream>
#include <fstream>
using namespace std;
int a[101][101],pred[101][101],i,n,m,j,x,y,k,inf=16500,c;                                                            ;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int main()
{
    f>>n;
    for (i=0;i<n;i++)
        for (j=0;j<n;j++)
        f>>a[i][j];
    for(k=0;k<n;k++)
        for(i=0;i<n;i++)
        for(j=0;j<n;j++)
        if(i!=j&&i!=k&&j!=k)
            if(a[i][k]+a[k][j]<a[i][j])
        {
            a[i][j]=a[i][k]+a[k][j];
            pred[i][j]=pred[k][j];
        }

    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            if(a[i][j]!=16500)
            g<<a[i][j]<<" ";
        else
            g<<0<<" ";
        g<<endl;
    }
    return 0;
}