#include<cstdio>
using namespace std;
int a[101][101],n,i,j,k;
void citire(){
	freopen("royfloyd.in","r",stdin);
	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][k]+a[k][j]<a[i][j]))
					a[i][j]=a[i][k]+a[k][j];
}
void afisare(){
	freopen("royfloyd.out","w",stdout);
	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;
}