#include<stdio.h>
#define MAX 999999999
#define N 101
int v[N][N],dist[N][N];
int main(){
  FILE *fin,*fout;
  fin=fopen("royfloyd.in","r");
  fout=fopen("royfloyd.out","w");
  int n;
  fscanf(fin,"%d",&n);
  int i,j;
  for(i=1;i<=n;i++)
    for(j=1;j<=n;j++){
      fscanf(fin,"%d",&v[i][j]);
      if(v[i][j]==0)
        v[i][j]=MAX;
      dist[i][j]=v[i][j];
  }
  int k;
  for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
        if(i!=j&&dist[i][j]>dist[i][k]+dist[k][j])
          dist[i][j]=dist[i][k]+dist[k][j];
  for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
      if(dist[i][j]==MAX)
        dist[i][j]=0;
      fprintf(fout,"%d ",dist[i][j]);
      }
    fprintf(fout,"\n");
  }
  return 0;
}