#include<stdio.h>
FILE*fin=fopen("royfloyd.in","r");
FILE*fout=fopen("royfloyd.out","w");
#define maxn 101
#define inf 10000
int main()
{
  int n,cost[maxn][maxn],c[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]);
      c[i][j]=cost[i][j];
      if(!c[i][j]) c[i][j]=inf;
    }
  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]&&c[k][j]!=inf&&c[i][j]>cost[i][k]+c[k][j])
	  c[i][j]=cost[i][k]+c[k][j];
  for(i=1;i<=n;i++)
  {
    for(j=1;j<=n;j++)
      if(c[i][j]!=inf) fprintf(fout,"%d%c",c[i][j],' ');
      else fprintf(fout,"0 ");
    fprintf(fout,"\n");
  }
  fclose(fout);
  return 0;
}