jxwd的博客

废话不多说，直接上代码(想要看解析往下拉）（记得点赞呦~~~）#include <stdio.h>int add(int x, int y){ return x + y;}int sub(int x, int y){ return x - y;}int mul(int x, int y){ return x * y;}int div(int x, int y){ return x / y;}int main(){ int a = 0; int (*