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

View Code

 1 #include<stdio.h>
 2 #include<string.h>
 3 #include<ctype.h>
 4 #include<stdlib.h>
 5 char word[100010][210] = {'\0'};
 6 int Comp(const void *p1,const void *p2)
 7 {
 8     return strcmp((char *)p2,(char *)p1);
 9 }
10 int main()
11 {
12     int i, k = 0, top = 0;;
13     char ch;
14     while((ch = getchar()) != EOF)
15     {
16         if(isalpha(ch))
17             word[top][k++] = tolower(ch);
18         else
19         {
20             if(isalpha(word[top][0]))
21             {
22                 word[top++][k] = '\0';
23                 k = 0;
24             }
25         }
26     }
27     qsort(word,top,sizeof(word[0]),Comp);
28     for(i = top-1;i > -1; i--)
29     {
30         if(strcmp(word[i],word[i-1]) != 0)
31         puts(word[i]);
32     }
33     return 0;
34 }