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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <sstream>
  4. #include <cctype>
  5.  
  6. std::istringstream in(
  7.     "Hi all,\n"
  8.     "\n"
  9.     "I would like to write a program to count the number of characters, "
  10.     "words, and paragraphs(or newlines) in a file.I have the characters "
  11.     "counting correctly and the newlines counting correctly but I am "
  12.     "stuck on how to count the words, I would like to store the words in "
  13.     "an array to hold the size of the word(i.e.the number of letters "
  14.     "influences where its stored in the array) then I need to sum up the "
  15.     "array and display the output.\n"
  16.     "\n"
  17.     "Thanks in advance for the help."
  18. );
  19.  
  20. int main()
  21. {
  22.     std::size_t characters = 0;
  23.     std::size_t words = 0;
  24.     std::size_t paragraphs = 0;
  25.  
  26.     bool in_word = false;
  27.     bool in_paragraph = false;
  28.  
  29.     char token;
  30.     while (in.get(token))
  31.     {
  32.         if (std::isspace(token))
  33.         {                               // whitespace
  34.             in_word = false;
  35.  
  36.             if (token == '\n')
  37.                 in_paragraph = false;
  38.         }
  39.         else
  40.         {                               // non-whitespace
  41.             ++characters;
  42.  
  43.             if (!in_paragraph)
  44.             {
  45.                 in_paragraph = true;
  46.                 ++paragraphs;
  47.             }
  48.  
  49.             if (!in_word)
  50.             {
  51.                 in_word = true;
  52.                 ++words;
  53.             }
  54.         }
  55.     }
  56.  
  57.     std::cout << "Characters:" << std::setw(5) << characters << '\n';
  58.     std::cout << "Words:     " << std::setw(5) << words      << '\n';
  59.     std::cout << "Paragraphs:" << std::setw(5) << paragraphs << '\n';
  60. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin 
Standard input is empty
stdout 
Characters:  381
Words:        87
Paragraphs:    3
https://ideone.com/dySIin
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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