#include<iostream> using namespace std; int ans; void f(int dian,int hua,int jiu) { if(dian == 0 && hua == 0 && jiu == 1) ans++; if(dian > 0) f(dian - 1,hua,jiu * 2); if(hua > 0) f(dian,hua - 1,jiu - 1); } int main() { f(5,9,2); cout << ans << endl; return 0; }
简单的深搜
原文：https://www.cnblogs.com/biaobiao88/p/12405197.html