#include <fstream>
#define NMAX 101
using namespace std;
int n, a[NMAX][NMAX];
void ReadData()
{
	ifstream f("royfloyd.in");
	
	int i, j;
	f>>n;
	for (i = 1; i <= n; i++)
		for (j = 1; j <= n; j++) f>>a[i][j];
		f.close();
}

void RF()
{
	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 Write()
{    ofstream g("royfloyd.out");
	int i, j;
	for (i = 1; i <= n; i++) 
	{
		for (j = 1; j <= n; j++) g<<a[i][j]<<" "; g<<'\n';
	}
	g.close();
}


int main()
{
	ReadData();
	RF();
	Write();
	return 0;
}