24點算灋3,13,12,13

24點算灋3,13,12,13

是我自己編的.算灋:先生成全排列,在蠻力匹配括弧#include #include #include using namespace std;char ope[4];double Cul(double a,double b,int k){if(k==1)return a+b*1.0;else if(k==2)return a-b*1.0;else if…