#include <stdio.h>
int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);

	int n,a[105][105],i,j,k;

	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[k][j]&& a[i][k] && (a[i][j]>a[k][j]+a[i][k]||!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;
}