//大佬没事看看我这个第二题，，，先看的第三题，写了一下，没过，剩下时间都在写第二题， //想着不急，打了个表，但是0通过。。。。。。。 /*************************************************************************     > File Name: 2.cpp     > Author:      > Mail:      > Created Time: 2019年04月06日 星期六 20时00分57秒  ************************************************************************/ #include<iostream> #include <string> #include <cstdio> #include <cstdlib> #include <string.h> #include <map> using namespace std; void diyi(string &str) {     int k = str.size() % 3;     if (k == 2) str = "0" + str;     else if (k == 1) str = "00" + str; } void dier(string &str) {     string tt;     map<char,string> ma;     ma['0'] = "0000";     ma['1'] = "0001";     ma['2'] = "0010";     ma['3'] = "0011";     ma['4'] = "0100";     ma['5'] = "0101";     ma['6'] = "0110";     ma['7'] = "0111";     ma['8'] = "1000";     ma['9'] = "1001";     ma['a'] = "1010";     ma['b'] = "1011";     ma['c'] = "1100";     ma['d'] = "1101";     ma['e'] = "1110";     ma['f'] = "1111";     //cout << str << endl;     for (int i = 0; i < str.size(); i+= 3) {         string te;         int k = 0;         int temp = 0;         char ch[32];         for (int kk = 0; kk < 32; kk++) ch[kk] = 0;         while (k < 3) {             temp = temp * 10 + str[i + k] - '0';             k++;         }         //55 37         sprintf(ch,"%0x",temp);         int j = 0;         while (ch[j]) {             te += ma[ch[j]];             j++;         }         j = 0;         while (j < te.size() && te[j] == '0') {             te.erase(j,j + 1);         }         tt += te;     }     str = tt;     return ; } void disan(string &str) {     int k = str.size() % 5;     if (k == 1) str = "0000" + str;     else if (k == 2) str = "000" + str;     else if (k == 3) str = "00" + str;     else if (k == 4) str = "0" + str; } void disi(string &str) {     string te;     map<string,string> ma;     ma["00000"] = "0";     ma["00001"] = "1";     ma["00010"] = "2";     ma["00011"] = "3";     ma["00100"] = "4";     ma["00101"] = "5";     ma["00110"] = "6";     ma["00111"] = "7";     ma["01000"] = "8";     ma["01001"] = "9";     ma["01010"] = "A";     ma["01011"] = "B";     ma["01100"] = "C";     ma["01101"] = "D";     ma["01110"] = "E";     ma["01111"] = "F";     ma["10000"] = "G";     ma["10001"] = "H";     ma["10010"] = "I";     ma["10011"] = "J";     ma["10100"] = "K";     ma["10101"] = "L";     ma["10110"] = "M";     ma["10111"] = "N";     ma["11000"] = "O";     ma["11001"] = "P";     ma["11010"] = "Q";     ma["11011"] = "R";     ma["11100"] = "S";     ma["11101"] = "T";     ma["11110"] = "U";     ma["11111"] = "V";     for (int i = 0; i < str.size(); i+= 5) {         int k = 0;         string tt;         while (k < 5) {             tt += str[i + k];             k++;         }         te += ma[tt];         //cout << "tt "<< tt << endl;     }     str = te;     return ; } int main() {     int t;     cin >> t;     while (t--) {         string str;         cin >> str;         diyi(str);         dier(str);         disan(str);         disi(str);         cout << str << endl;     }     return 0; }