func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, arr[206];   char str[206];   inline bool check1() {     for (int i = 0; i < (n >> 1); ++i) {       if (arr[i] >= arr[i + (n >> 1)]) return 0;     }     return 1;   }   inline bool check2() {     for (int i = 0; i < (n >> 1); ++i) {       if (arr[i] <= arr[i + (n >> 1)]) return 0;     }     return 1;   }   int main() {     scanf( %d , &n);     scanf( %s , str);     n = strlen(str);     for (int i = 0; i < n; ++i) arr[i] = (int)(str[i] -  0 );     sort(arr, arr + (n / 2));     sort(arr + (n / 2), arr + n);     puts((check1() || check2()) ?  YES  :  NO );     return 0;   }   