#include<iostream>
#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
#define inf 2000000;

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<<endl;
				}return 0;
}