#include<fstream>
#include<iostream>
using namespace std;

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

int n,a[101][101];

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<<"\n";
}
return 0;
}