#include <cstdio>
FILE *f=fopen("royfloyd.in","r");
FILE *g=fopen("royfloyd.out","w");
int a[102][102],i,j,k,n;
int main()
{
    fscanf(f,"%d",&n);
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            fscanf(f,"%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] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j] )&& i!=j)
                    a[i][j]=a[i][k]+a[k][j];
    
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            fprintf(g,"%d ",a[i][j]);
        fprintf(g,"\n");
    }
    
    fclose(f);
    fclose(g);
    return 0;
}