Cod sursa(job #2218429)

Utilizator BiancaMariaVulsanVulsan Bianca Maria BiancaMariaVulsan Data 4 iulie 2018 14:24:27
Problema Floyd-Warshall/Roy-Floyd Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include <iostream>
#include <fstream>
#include <limits.h>
#define inf 105
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int d[inf][inf], n;
int main()
{
    int i,j,k;
    f>>n;
    for(i=1; i<=n; ++i)
    for(j=1; j<=n; ++j)
        {f>>d[i][j];
        if(d[i][j]==0)
            d[i][j]=LONG_MAX;
        if(i==j)
            d[i][j]=0;
        }

    for(k=1; k<=n; ++k)
      for(i=1; i<=n; ++i)
        for(j=1; j<=n; ++j)
            if((i^j) && d[k][j]+d[i][k]<d[i][j])
            d[i][j]=d[k][j]+d[i][k];

    for(i=1; i<=n; ++i)
    {for(j=1; j<=n; ++j)
       {if(d[i][j]==LONG_MAX)
        d[i][j]=0;
        g<<d[i][j]<<" ";}
    g<<endl;}

    f.close();
    g.close();
    return 0;
}