#include <stdio.h>
int a[101][101],i,j,n,min=100000001,k;
FILE*fin,*fout;
int main()
{
    fin=fopen("royfloyd.in","r");
    fout=fopen("royfloyd.out","w");
    fscanf(fin,"%d",&n);
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
        {
            fscanf(fin,"%d",&a[i][j]);
        }
    }

    for(k=1;k<=n;k++){
        for(i=1;i<=n;i++){
            for(j=1;j<=n;j++){
            if(j!=i&&a[i][j]>a[i][k]+a[k][j]&&a[i][k]!=0&&a[k][j]!=0){
            a[i][j]=a[i][k]+a[k][j];
            }
            }
        }
    }
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
        {
            fprintf (fout,"%d ",a[i][j]);
        }
        fprintf(fout,"\n");
    }
    return 0;
}