#include<stdio.h>
#include<iostream>
using namespace std;
int a[101][101],n;
void read(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			scanf("%d",&a[i][j]);
}
void roy_floyd(){
	int k,i,j;
	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j] && i!=j))
					a[i][j]=a[i][k]+a[k][j];
}
void write(){
	int i,j;
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}
int main (){
	read();
	roy_floyd();
	write();
	return 0;
}