uva10815 Andy's First Dictionary

刚开始错了六七次，不过后来调用了库函数，进行字符串排序，就AC了，看来还是要掌握一些库函数，才能更迅速的写出完美的代码啊

下面是代码，聪明人一看就会懂得啦，对了，本体一个关键是，注意要把存储单词的数组开的大一些，我刚开始没注意到，导致RE了两次

#include<stdio.h>
#include<string.h>
#include<ctype.h>
#include<stdlib.h>
char word[100010][210] = {'\0'};
int Comp(const void *p1,const void *p2)
{
    return strcmp((char *)p2,(char *)p1);
}
int main()
{
    int i, k = 0, top = 0;;
    char ch;
    while((ch = getchar()) != EOF)
    {
        if(isalpha(ch))
            word[top][k++] = tolower(ch);
        else
        {
            if(isalpha(word[top][0]))
            {
                word[top++][k] = '\0';
                k = 0;
            }
        }
    }
    qsort(word,top,sizeof(word[0]),Comp);
    for(i = top-1;i > -1; i--)
    {
        if(strcmp(word[i],word[i-1]) != 0)
        puts(word[i]);
    }
    return 0;
}