#include <stdio.h>

void main(void){
     FILE *fin=fopen("royfloyd.in","r");
     FILE *fout=fopen("royfloyd.out","w");
     int n,i,j,k,a[101][101];
     fscanf(fin,"%d",&n);
     for (i=1;i<=n;i++)
         for (j=1;j<=n;j++) fscanf(fin,"%d",&a[i][j]);
     fclose(fin);
     
     
     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)
                    if ((a[i][j]>a[i][k]+a[k][j]) || (a[i][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");
         }  
     fclose(fout);
     
     }