编辑代码

#include <iostream>
using namespace std;

int p(int n) {
	if (n == 1)
		return 1;
	else
		return p(n - 1) + 1;

}

int main() {
	int a = 0, b = 9;
	a = p(b);
	cout << "我在第" << a << "排";
	return 0;
}