#include <fstream>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, a[105][105];

void roy_floyd()
{
	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];
}

int main()
{
	fin>>n;
	for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                fin>>a[i][j];
	roy_floyd();
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= n; j++)
            fout<<a[i][j]<<" ";
		fout<<endl;
	}
	return 0;
}