#include <cstdio>
using namespace std;
FILE *f;
unsigned int n,a[100][100],i,j,k;
int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%u",&n);
	for (i=0;i<n;i++)
		for (j=0;j<n;j++)
			scanf("%u",&a[i][j]);
	for (k=0;k<n;k++)
		for (i=0;i<n;i++)
			for (j=0;j<n;j++)
				if ((i!=j)&&(j!=k)&&(k!=i)&&((!a[i][j])||(a[i][k]+a[k][j]<a[i][j])))
					a[i][j]=a[i][k]+a[k][j];
	for (i=0;i<n;i++)
	{
		for (j=0;j<n;j++)
			printf("%u ",a[i][j]);
		printf("\n");
	}
	return 0;
}