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