C++ program that counts the number of words in a string or a line

This is a simple C++ program that counts the number of words in a line or a string. Each word is separated by a space and the string will be entered by the user. The program can be designed as follows:

#include
#include
main()
{
 char str[50];
 int i, count = 1;
 cout << "\n\t Enter the string ";
 gets(str);
 while((str[i]!= '\0') && (str[i+1] != ' '))
 {
  if ((str[i] == ' ') || (str[i] == '.'))
  count++;
  i++;
 }
 cout << "\n\t Number of words in a string is " << count;
 return 0;
}

Source: www.LearnCandCpp.com
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