func_code_string: #include <bits/stdc++.h>   using namespace std;   string ent =   n ;   string space =    ;   int main() {     ios_base::sync_with_stdio(false);     int n;     cin >> n;     string s;     cin >> s;     int zero, one;     zero = one = 0;     for (int i = 0; i < n; i++) {       if (s[i] == 48)         zero++;       else         one++;     }     if (one != zero) {       cout << 1 << ent + s + ent;     } else {       int j = n - 1;       string s_new;       for (int i = 0; i < n; i++) {         if (one != zero) {           j = i;           break;         }         s_new += s[i];         if (s[i] == 48)           zero--;         else           one--;       }       cout << 2 << ent + s_new + space;       for (int i = j; i < n; i++) {         cout << s[i];       }       cout << ent;     }   }   