#include <bits/stdc++.h>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n,a[1001][1001];

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


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