#include <stdio.h>
#define nmax 128
int x[nmax][nmax],d[nmax][nmax];
int main()
{
	int i,j,k,n;
	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",&x[i][j]);
				d[i][j]=x[i][j];
			}
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (d[i][k]&&d[k][j]&&(d[i][j]>d[i][k]+d[k][j]||!d[i][j])&&i!=j)
					d[i][j]=d[i][k]+d[k][j];
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			printf("%d ",d[i][j]);
		printf("\n");
	}
	return 0;
}