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  1. #include <iostream>
  2. #include <list>
  3. #include <string>
  4.  
  5. using namespace std;
  6.  
  7. string processKeys(const string& keys) {
  8.     list<char> text;
  9.     auto cursor = text.begin();
  10.  
  11.     for (char key : keys) {
  12.         if (key == '[') {
  13.             cursor = text.begin();
  14.         } else if (key == ']') {
  15.             cursor = text.end();
  16.         } else {
  17.             text.insert(cursor, key);
  18.         }
  19.     }
  20.  
  21.     return string(text.begin(), text.end());
  22. }
  23.  
  24. int main() {
  25.         string keys;
  26.         getline(cin, keys);
  27.         cout << processKeys(keys) << endl;
  28.  
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5288KB
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[[]][][]I_Am_FrOm_AssiUt
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I_Am_FrOm_AssiUt
https://ideone.com/f99Hwf
language:
C++ (gcc 8.3)
created:
13 days ago
visibility:
public

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