#include<iostream>
#include<fstream>

using namespace std;

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

int a[100][100],i,j,n;


void face(){
	
	for(int k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if( i!=k && k!=j && i!=j && a[i][k]+a[k][j] < a[i][j] )
					a[i][j]=a[i][k]+a[k][j];
			
}

void citire(){
	
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			{
			int x;
			f>>x;
			if(x==0 && i!=j)
			a[i][j]=1001;
			else
			a[i][j]=x;
}

int main(void){
	f>>n;
	citire();
	face();
	for(i=1;i<=n;i++)
		{for(j=1;j<=n;j++)
			g<<a[i][j]<<" ";
		g<<endl;}

return 0;
}