前导零不是由二进制数字表示c> int ， double 等）所以你可能需要使用 std :: string 。读取字符串中的输入，然后调用 std :: reverse（）将该字符串作为输入。

Leading zeroes are not represented by binary numbers (int, double, etc.) So you'll probably have to use std::string. Read the input into the string, then call std::reverse() passing the string as input.