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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.     string str;
  9.     getline(cin, str);
  10.     int letters = 0;
  11.     int words = 0;
  12.     int lines = 0;
  13.     bool flag = false;
  14.     while (str.size()) {
  15.         lines++;
  16.         for (auto c : str) {
  17.             if (isalpha(c)) {
  18.                 letters++;
  19.                 flag = true;
  20.             } else if (flag) {
  21.                 flag = false;
  22.                 words++;
  23.             }
  24.         }
  25.         if (flag) {
  26.             words++;
  27.         }
  28.         getline(cin, str);
  29.     }
  30.     cout << "Input file contains:\n";
  31.     cout << letters << " letters\n";
  32.     cout << words << " words\n";
  33.     cout << lines << " lines\n";
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0s 4416KB
comments (?)
stdin
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Standard input is empty
stdout
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Input file contains:
0 letters
0 words
0 lines
https://ideone.com/zW0aYF
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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