#include<fstream>
#include<iostream>

using namespace std;

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

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

int main(){
int i,j,k;
in>>n;
for(i=1;i<=n;i++)
	for(j=1;j<=n;j++)
		in>>a[i][j];
for(k=1;k<=n;k++)
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			if(i!=k&&i!=j&&j!=k)
if(a[i][k]&&a[k][j]){
	int temp=a[i][k]+a[k][j];
	if(temp<a[i][j]||a[i][j]==0)
	a[i][j]=temp;}
for(i=1;i<=n;i++){
	for(j=1;j<=n;j++)
		out<<a[i][j]<<" ";
	out<<endl;}
return 0;}