#include <bits/stdc++.h>
using namespace std;
ifstream fin ("royfloyd.in"); ofstream fout ("royfloyd.out");

int n, a[105][105];

void citire()
{
	int i,j;
	fin >> n;
	for (i = 1; i <= n; i++)
		for (j = 1; j <= n; j++)
			fin >> a[i][j];
}

void roy_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 afis()
{
	int i,j;
	for (i = 1; i <= n; i++)
	{
		for (j = 1; j <= n; j++) fout << a[i][j]<< ' ';
			fout << '\n';
	}
}

int main ()
{
	citire();
	roy_floyd();
	afis();
	return 0;
}