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Вводный курс: основы C++ | Урок 2: Как работают множества

Aug 31st, 2023
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  1. #include <iostream>
  2. #include <string>
  3. #include <set>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.     int i;
  9.     set<string>words;
  10.     std::cin >> i;
  11.     for (int j = 0; j < i; ++j) {
  12.         string word;
  13.         std::cin >> word;
  14.         words.insert(word);
  15.     }
  16.  
  17.     std::cout << words.size();
  18.  
  19.     return 0;
  20. }
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