#include <stdio.h>
#define MAXN 101

int v[MAXN][MAXN],n;

void leeroyjenkins()
{
	int i,j,k;
	for (k=0; k<n; k++)
		for (i=0; i<n; i++)
			for (j=0; j<n; j++)
				if (v[i][k] && v[k][j] && (v[i][k]+v[k][j]<v[i][j] || !v[i][j]) && i!=j)
					v[i][j]=v[i][k]+v[k][j];	
}

int main()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	
	int i,j;
	
	scanf("%d",&n);
	
	for (i=0; i<n; i++)
		for (j=0; j<n; j++)
			scanf("%d",&v[i][j]);
	
	leeroyjenkins();
	
	for (i=0; i<n; i++)
	{
		for (j=0; j<n-1; j++)
			printf("%d ",v[i][j]);
		printf("%d\n",v[i][n-1]);		
	}
	
	fclose(stdin);
	fclose(stdout);
	return 0;
}