HJ5.进制转换 #include <iostream> #include <string> #include <vector> #include <unordered_map> #include <cmath> const int DIG = 16; const std::unordered_map<char, int> DICT = { {'0', 0}, {'1', 1}, {'2', 2}, {'3', 3}, {'4', 4}, {'5', 5}, {'6', 6}, {'7', 7}, {'8', 8}, {'...