c_cpp 405.cpp

Posted 2021-05-14

class Solution {
public:
    const string HEX = "0123456789abcdef";
    string toHex(int num) {
        if (num == 0) return "0";
        string result;
        int count = 0;
        while(num != 0 && count++ < 8) {
            //cout << (num & 0xf) << endl;
            result = HEX[(num & 0xF)] + result;
            num >>= 4;
        }
        return result;
    }
};