#include <fstream>
using namespace std;

int n, a[105][105];
ofstream g ("royfloyd.out");
ifstream f ("royfloyd.in");
void citire()
{
	
int i, j;
f>>n;
for (i = 1; i <= n; i++)
for (j = 1; j <= n; j++) f>>a[i][j];
}

void floyd()
{
int i, j, k;
for (k = 1; k <= n; k++)
for (i = 1; i <= n; i++)
for (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()
{
int i, j;
for (i = 1; i <= n; i++) 
	{
	for (j = 1; j <= n; j++) 
       g<<a[i][j]<<" ";
       g<<endl;
	
		
}
}


int main()
{
	citire();
	floyd();
	afisare();
	return 0;
}