Cod sursa(job #209969)

Utilizator mircea_infoSuciu Mircea-Gabriel mircea_info Data 25 septembrie 2008 20:51:39
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.73 kb
#include <cstdio>
#define max 5000

using namespace std;

int n,a[101][101];

int min(int x, int y)
{
    return x<y?x:y;
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
        {
            scanf("%d",&a[i][j]);
            if(i!=j&&a[i][j]==0)
                a[i][j]=max;
        }
    for(int k=0;k<n;k++)
        for(int i=0;i<n;i++)
            for(int j=0;j<n;j++)
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    fclose(stdout);
    return 0;
}