镜像反转二进制表达式，并输出十进制值

代码：

#include<iostream>using namespace std;int func(int a){int c = 0, i = 0;int b[32];while (a){b[i] = (a & 1);i++;a = a >> 1;}for (int j = 0; j<i; j++)c = c * 2 + b[j];return c;}void main(){int a;cin >> a;int m = func(a);cout << m << endl;cin.get();cin.get();return 0;}