#include<fstream.h>
#include<iostream.h>
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;}