#include<cstdio>
using namespace std;
const int nmax = 105;
int n,i,j,k,a[nmax][nmax];
int main()
{
	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]);
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(k!=i && k!=j && i!=j && a[i][k] && a[k][j] && (a[i][k]+a[k][j]<a[i][j] || !a[i][j]))
                    a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++,printf("\n"))
        for(j=1;j<=n;j++) printf("%d ",a[i][j]);
	return 0;
}