下面程序的输出为( )。

#include <iostream>#define N 10using namespace std;int h[N];int main() {   h[0] = h[1] = 1;   for (int n = 2; n < N; n++)      for (int j = 0; j < n; j++)         h[n] += h[j] * h[n - j - 1];   cout << h[6] << endl;   return 0;}
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