494 - Kindergarten Counting Game

Kindergarten CountingGame 

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 andOutput

Input to your program will consist of a series of lines, eachline containing multiple words (at least one). A ``word'' isdefined as a consecutive sequence of letters (upper and/or lowercase).

 

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

 

SampleInput

 

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 ...

 

SampleOutput

 

27109

#include <iostream>#include <string>#include <algorithm>//494 Kindergarten Counting Gameusing namespace std;int main(){    string str;    int nWords;    while(getline(cin,str,'\n'))    {        nWords = 0;        bool isWord =false;        string::iterator It;        for( It= str.begin(); It!=str.end() ; ++It)        {            if((*It>='a' && *It<='z') || (*It>='A' && *It <='Z') )            {                if(!isWord) isWord = true;            }            else            {                if(isWord){                    isWord = false;                    nWords++;                }            }        }        --It;        //防止最后的字符是字母的情况，不然会少加一；        if((*It>='a' && *It<='z') || (*It>='A' && *It <='Z') && isWord)            nWords++;        cout<<nWords<<endl;    }}