#include<cstdio>
#define minim(a,b) (a>b || !a)?b:a
using namespace std;
int n,a[102][102];
void citire()
{
	freopen("royfloyd.in","r",stdin);
	int i,j;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			scanf("%d",&a[i][j]);
}
void roy()
{
	int i,j,k;
	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]=minim(a[i][j],a[i][k]+a[k][j]);
}
void afisare()
{
	freopen("royfloyd.out","w",stdout);
	int i,j;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
			printf("%d ",a[i][j]);
		printf("\n");
	}
}
int main()
{
	citire();
	roy();
	afisare();
	return 0;
}