【每日一题】2012.5.26：查找字符串中单词的个数

#include <iostream>using namespace std;int fun(const char *str){int flag = 0;int count = 0;for(int i=0; str[i] != '\0'; ++i){if( (str[i]>='a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z') ){if(0 == flag){count++;flag = 1;}}else{flag = 0;}}return count;}void main(){const char *s = "     Liu @a @Fang 123 Shi Jiang zho   ng@#$ 456767 ^& ";cout << s <<endl;cout << fun(s) <<endl;}