Cod sursa(job #1708460)

Utilizator ionanghelinaIonut Anghelina ionanghelina Data 27 mai 2016 09:37:57
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include<cstdio>
using namespace std;
int n,a[105][105];
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        scanf("%d",&a[i][j]);
    }
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if (i!=j && a[i][k] && a[k][j] && (!a[i][j] || (a[i][k]+a[k][j])<a[i][j]))
                {
                    a[i][j]=a[i][k]+a[k][j];
                }
            }
        }
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}