func_code_string: #include <bits/stdc++.h>   using namespace std;   int cmp(char a, char b) { return a > b; }   int main() {     char s[300050];     char str[300050];     char ans[300050];     scanf( %s%s , s, str);     int len = strlen(s);     sort(s, s + len);     sort(str, str + len, cmp);     if (len == 1) {       printf( %s n , s);       return 0;     }     int l, r, L, R;     l = L = 0;     r = (len + 1) / 2 - 1;     if (len & 1) {       R = len / 2 - 1;     } else       R = r;     int sum = 0;     int i = 0;     int j = len - 1;     while (i <= j) {       if ((sum & 1) == 0) {         if (s[l] < str[L]) {           ans[i++] = s[l++];         } else {           ans[j--] = s[r--];         }         sum++;       } else {         if (s[l] >= str[L]) {           ans[j--] = str[R--];         } else {           ans[i++] = str[L++];         }         sum++;       }     }     ans[len] =   0 ;     printf( %s n , ans);     return 0;   }   