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