Cod sursa(job #227038)

Utilizator mihai0110Bivol Mihai mihai0110 Data 3 decembrie 2008 15:24:38
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.7 kb
#include<stdio.h>
#define MAXN 101
#define MIN(a,b) a<b?a:b
int i,j,k,n;
int a[MAXN][MAXN];
int main(void)
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<i;j++)
            a[i][j]=a[j][i]=10000001;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(a[i][k]&&a[k][j]&&i!=j)
                    a[i][j]=MIN(a[i][j],a[i][k]+a[k][j]);
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
    return 0;
}