[UvaOJ - Getting Started] 494 - Kindergarten Counting Game

Kindergarten Counting Game

Everybody sit down in a circle. Ok. Listen to me carefully.

``Woooooo, you scwewy wabbit!''

Now, could someone tell me how many words I just said?

Input and Output

Input to your program will consist of a series of lines, each line containing multiple words (at least one).A ``word'' is defined as a consecutive sequence of letters (upper and/or lower case).

Your program should output a word count for each line of input. Each word count should be printed ona separate line.

Sample Input

Meep Meep!
I tot I taw a putty tat.
I did! I did! I did taw a putty tat.
Shsssssssssh ... I am hunting wabbits. Heh Heh Heh Heh ...

Sample Output

2
7
10
9

代码：

C语言: Codee#26458

01 #include <stdio.h>
02
03 int main()
04 {
05     char c = 0;
06     int cnt = 0;
07     int word_flag = 0;
08
09     while (( c = getchar()) != EOF)
10     {
11         if ( isalpha( c)) /* input is a word.  */
12         {
13             word_flag = 1;
14         }
15         else if ( word_flag == 1) /* other punctuations behind this word. */
16         {
17             ++ cnt;
18             word_flag = 0;
19         }
20         else if ( c == '\n') /* this sentence is finished.  */
21         {
22             printf( "%d \n " , cnt);
23             cnt = 0;
24             word_flag = 0;
25         }
26    }
27
28     return 0;
29 }