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  1. #include <iostream>
  2. #include <sstream>
  3. #include <cctype>
  4. using namespace std;
  5.  
  6. string normalizeName(const string &name) {
  7.     stringstream ss(name);
  8.     string word, result;
  9.  
  10.     while (ss >> word) {
  11.         word[0] = toupper(word[0]);
  12.         for (size_t i = 1; i < word.size(); i++) {
  13.             word[i] = tolower(word[i]);
  14.         }
  15.         result += word + " ";
  16.     }
  17.  
  18.     if (!result.empty()) {
  19.         result.pop_back(); // Xóa khoảng trắng dư cuối cùng
  20.     }
  21.  
  22.     return result;
  23. }
  24.  
  25. int main() {
  26.     int N;
  27.     cin >> N;
  28.     cin.ignore(); // Loại bỏ ký tự xuống dòng sau khi nhập số
  29.  
  30.     while (N--) {
  31.         string name;
  32.         getline(cin, name);
  33.         cout << normalizeName(name) << endl;
  34.     }
  35.  
  36.     return 0;
  37. }
Success #stdin #stdout 0.02s 5292KB
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https://ideone.com/P0Tx7W
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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