#include <fstream>
using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

short int n,a[101][101];

void roy_floyd()
{
	short 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]==0) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
}
int main()
{
    cin>>n;
	for(short int i=1;i<=n;i++)
        for(short int j=1;j<=n;j++)
            cin>>a[i][j];
	roy_floyd();
	for(short int i=1;i<=n;i++)
    {
        for(short int j=1;j<=n;j++)
            cout<<a[i][j]<<" ";
        cout<<'\n';
    }
	return 0;
}