#include<stdio.h>
int a[101][101],n;
void citire()
{
	scanf("%d",&n);
	for(int i = 1; i <= n ; ++i)
		for(int j = 1 ; j <= n ; ++j)
			scanf("%d",&a[i][j]);
}
void royfloyd()
{
	for(int k = 1 ; k <= n ; ++k)
		for(int i = 1; i <= n ; ++i)
			for(int j = 1 ; j <= n ; ++j)
				if(a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
					a[i][j] = a[i][k] + a[k][j];
}
void afisare()
{
	for(int i = 1; i <= n ;++i)
	{
		for(int j = 1 ; j <= n ; ++j)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}
int main()
{
	freopen("royfloyd.in", "r",stdin)	;
	freopen("royfloyd.out","w",stdout);
	
	citire();
	royfloyd();//ce smeqerieeeeeee
	afisare();
}