#include <stdio.h>
#include <stdlib.h>

using namespace std;

int a[101][101];

int main()
{
    FILE *fin, *fout;
    int n,i,j,k;
    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]);
      }
    }

    /// Roy-Floyd

    for(k=1;k<=n;k++){
      for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
          if(a[i][k]!=0 && a[k][j]!=0 && i!=j && (a[i][j]>a[i][k]+a[k][j]))
            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(fin);
    fclose(fout);
    return 0;
}