func_code_string: #include <bits/stdc++.h>   #pragma comment(linker,  /STACK:102400000,102400000 )   using namespace std;   int main() {     int cases;     scanf( %d , &cases);     while (cases--) {       char str[1009];       int ret[9];       scanf( %s , str);       int num = 0;       int i;       int cnt = 0;       int flag = -1;       for (i = 0; str[i]; i++) {         if (str[i] >=  A  && str[i] <=  Z ) {           str[i] = str[i] -  A  +  a ;         }         if (str[i] ==  : ) {           if (str[i + 1] ==  : ) {             flag = cnt;             i++;           }           ret[cnt] = num;           cnt++;           num = 0;         } else if (str[i] >=  0  && str[i] <=  9 ) {           num = num * 16 + str[i] -  0 ;         } else {           num = num * 16 + str[i] -  a  + 10;         }       }       ret[cnt++] = num;       int k = 0;       for (int j = 0; j < cnt; j++) {         printf( %04x , ret[j]);         k++;         if (k != 8) {           putchar( : );         }         if (flag == j) {           for (i = 0; i < 8 - cnt; i++) {             printf( 0000 );             k++;             if (k != 8) {               putchar( : );             }           }         }       }       putchar(10);     }     return 0;   }   