UVa OJ - 272 TEX Quotes

The following program is my ACcepted code for UVA-272.
It's a for everybody to learn and discuss.
If there is any mistake or comment, please let me know.  :D

此乃UAV 272的AC code!

歡迎一同討論學習，如有錯誤與任何建議請留言 : )

////This program is for UVA 272 TEX Quotes
//http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=208


#include<stdio.h>
#include<string.h>
using namespace std;

bool ifFirst = true;//flag for the first(true) or the second double-quote(false).

void replace(char str[])
{
    int len = strlen(str);
   
    for(int i=0; i<len; i++)
    {
        if( str[i] == '"' )
        {
            if(ifFirst)
            {
                printf("\`\`");// print ``
                ifFirst = false;
            }
            else
            {
                printf("\'\'");// print ''
                ifFirst = true;              
            }
        }
        else
            printf("%c", str[i]);
    }
    printf("\n");
   
    return;
}

int main()
{
    char s[1000];
   
    memset(s, '\0', sizeof(s));
    ifFirst = true;
   
    while(gets(s)!=NULL)
    {
        replace(s);
    }
    return 0;
}

Please feel free to use it after adding this blog as an reference. (http://autekroy.blogspot.tw) If there is any mistake or comment, please let me know. :D 

歡迎使用與分享任何內容，但請記得標示此部落格為出處。(http://autekroy.blogspot.tw/) 如果有發現任何的錯誤與建議請留言或跟我連絡。 : )