#include<stdio.h>

int a[101][101],i,j,k,l,m,n;

int main(){
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);

scanf("%d",&n);

for(i=1;i<=n;i++)
   for(j=1;j<=n;j++)
       scanf("%d",&a[i][j]);

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];

for(i=1;i<=n;i++){
  for(j=1;j<=n;j++)
        printf("%d ",a[i][j]);

 printf("\n");
}
return 0;

}