// infoarena
// pb: Floyd-Warshall/Roy-Floyd
// O(n^3)

#include <iostream>
#include <fstream>

using namespace std;

short n;
short a[101][101];

void read()
{
	fstream f("royfloyd.in", ios::in);
	f>>n;
	for (short i=1; i<=n; ++i)
		for (short j=1; j<=n; ++j)
			f>>a[i][j];
}

void solve()
{
	for (short i=1; i<=n; ++i)
		for (short j=1; j<=n; ++j)
			if (i!=j)
				for (short k=1; k<=n; ++k)
					if (a[i][j]!=0)
					{
						if (a[i][j]!=0 && a[j][k]!=0 && a[i][j]>a[i][k]+a[k][j])
							a[i][j]=a[i][k]+a[k][j];
					}
					else
						if (a[i][k]!=0 && a[k][j]!=0 && i!=j && j!=k)
							a[i][j]=a[i][k]+a[k][j];
	fstream g("royfloyd.out", ios::out);
	for (short i=1; i<=n; ++i)
	{
		for (short j=1; j<=n; ++j)
			g<<a[i][j]<<" ";
		g<<"\n";
	}	
}

int main()
{
	read();
	solve();
	return 0;
}