#include<stdio.h>
int n,i,j,k,a[105][105];
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(i!=j&&a[i][k]&&a[k][j])
					if(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0)
						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;
}