// hw05prob2.cpp
// Assignment 5 - practice problem #2

#include <iostream>

int main()
{
   const int LENGTH = 15;

   // Input a word:
   cout << "Enter a word (at most "
          << LENGTH << " characters):>";
   char word[LENGTH+1];
   cin >> word;

   // Count pairs of identical adjacent characters:
   int pairs = 0;
   for (int i = 1; word[i] != '\0'; i++)
      if (word[i] == word[i-1])
         pairs++;

   // Output result:
   cout << pairs << " pairs of identical adjacent"
                 << " characters found." << endl;

   return 0;
}  // main