#include<fstream>
using namespace std;

int a[101][101],n;

void citire(){
	ifstream in("royfloyd.in");
	in>>n;
	int i,j;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			in>>a[i][j];
}

void royfloyd(){
	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 afisare(){
	int i,j;
	ofstream out("royfloyd.out");
	for (i=1;i<=n;i++){
		for(j=1;j<=n;j++)
			out<<a[i][j]<<" ";
		out<<"\n";
	}
	out.close();
}

int main(){
	citire();
	royfloyd();
	afisare();
	return 0;
}