#include <cstdio>

int a[101][101],t[101][101];



int main()
{
    int n,i,j,k;
    FILE *f=fopen("royfloyd.in","r");
    FILE *g=fopen("royfloyd.out","w");
    fscanf(f,"%d",&n);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            fscanf(f,"%d",&a[i][j]);
            if(a[i][j])t[i][j]=i;
        }
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j&&i!=k&&j!=k)
                    if(a[i][k] && a[k][j] && (a[i][j]==0 || a[i][k]+a[k][j]<a[i][j]) )
                    {
                        a[i][j]=a[i][k]+a[k][j];
                        t[i][j]=k;
                    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fprintf(g,"%2d ",a[i][j]);
        fprintf(g,"\n");
    }




    return 0;
}