func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     string s;     cin >> s;     int arr[10] = {0};     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  L ) {         int i = 0;         for (; i < 10; i++) {           if (arr[i] == 0) break;         }         arr[i] = 1;       } else if (s[i] ==  R ) {         int i = 9;         for (; i >= 0; i--) {           if (arr[i] == 0) break;         }         arr[i] = 1;       } else {         int t = s[i] - 48;         arr[t] = 0;       }     }     for (int i = 0; i < 10; i++) cout << arr[i];     return 0;   }   