#include<stdio.h>
void RF();
void af();
void cr();
int a[200][200],n;
int main(){
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
cr();
RF();
af();
return 0;}
void RF(){int i,j,k;
	  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]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j)a[i][j]=a[i][k]+a[k][j];}
void cr(){scanf("%d",&n);
	  for(int i=1;i<=n;i++)
	  for(int j=1;j<=n;j++)scanf("%d",&a[i][j]);}
void af(){for(int i=1;i<=n;i++){
	  for(int j=1;j<=n;j++)printf("%d ",a[i][j]);			
                                printf("\n");}}