#include<cstdio>

using namespace std;

int a[101][101],n,i,j,k;

void citire()
{

	scanf("%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			scanf("%d",&a[i][j]);
}

void royfloyd()
{

	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][k]+a[k][j]<a[i][j]||!a[i][j])&&i!=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()
{
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	citire();
	royfloyd();
	afisare();
	return 0;
	
}