UVA oj 494 Kindergarten Counting Game（简单字符串）

Kindergarten Counting Game

Time Limit: 3000MS

Memory Limit: Unknown

64bit IO Format: %lld & %llu

Submit Status

Description

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 on a 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

输出句子中有多少个单词

#include<cstdio>
#include<iostream>
#include<cstring>

using namespace std;
const int maxn = 1005;
char a[maxn];

int main()
{
    while(gets(a))
    {
        int len = strlen(a);
        int ans = 0;
        int i,j;
       for(i=0;i<len;i++)
       {
           int cnt = 0;
           int flag = 0;
           while((a[i] >= 'a' && a[i] <= 'z') || (a[i] >= 'A' && a[i] <= 'Z') && i < len)
           {
               i++;
               flag = 1;
           }
           if(flag)
           ans++;
       }
       printf("%d\n",ans);
    }
}