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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <algorithm>
  5.  
  6. using namespace std;
  7.  
  8. bool EncloseWithBrackets(string& ReferenceStr, string& TargetStr, size_t pos) {
  9. 	if (!count(ReferenceStr.begin(), ReferenceStr.end(), TargetStr[pos])) {
  10.     	ReferenceStr += TargetStr[pos];
  11.     	TargetStr.insert(pos, "[");
  12.     	TargetStr.insert(pos + 2, "]");
  13.     	return true;
  14. 	}
  15. 	return false;
  16. }
  17.  
  18.  
  19. int main() {
  20. 	int N = 0;
  21. 	vector<string> Options;
  22. 	string ShortCut;
  23.  
  24.     cin >> N;
  25.  
  26.     cin.ignore();
  27.     for (int i = 0; i < N; i++) {
  28.         string input;
  29.         getline(cin, input);
  30.         Options.push_back(input);
  31.     }
  32.  
  33.     for (int i = 0; i < N; i++) {
  34.     	cout << Options[i] << endl;
  35.     }
  36.  
  37.     bool sw = false;
  38.     size_t pos = 0;
  39.     for (int i = 0; i < N; i++) {
  40.     	if (EncloseWithBrackets(ShortCut, Options[i], 0)) {
  41.     		cout << Options[i] << endl;
  42.     		continue;
  43.     	}
  44.     	while ((pos = Options[i].find(" ", pos)) != string::npos) {
  45.     		pos += 1;
  46.     		if (sw = EncloseWithBrackets(ShortCut, Options[i], pos)) {
  47.     			break;
  48.     		}
  49.     	}
  50.     	if (sw) {
  51.     		sw = false;
  52.     		cout << Options[i] << endl;
  53.     		continue;
  54.     	}
  55.     	pos = 0;
  56.     	while (Options[i][pos] != '\0') {
  57.     		pos += 1;
  58.     		if (EncloseWithBrackets(ShortCut, Options[i], pos)) {
  59.     			break;
  60.     		}
  61.     	}
  62.     	cout << Options[i] << endl;
  63.     }
  64.  
  65.     for (int i = 0; i < N; i++) {
  66.     	cout << Options[i] << endl;
  67.     }
  68.     return 0;
  69. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/VUi4GH
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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