#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream wer("royfloyd.out");
int c[101][101],n;
int INF=1000000;
void citire(){
	fin>>n;
	int i,j;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			fin>>c[i][j];
}
void initializari(){
	int i,j;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			if(c[i][j]==0)
				c[i][j]=INF;
}
void royfloyd(){
	int i,j,k;
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(i!=j and i!=k and k!=j){
					int nc=c[i][k]+c[k][j];
					if(nc<c[i][j])
						c[i][j]=nc;
				}
}
void reinitializari(){
	int i,j;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			if(c[i][j]==INF)
				c[i][j]=0;
}
int main(){
	citire();
	initializari();
	royfloyd();
	reinitializari();
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++)
			wer<<c[i][j]<<" ";
		wer<<endl;
	}
	return 0;
}