这道题最初我是没理解清楚题意,我以为那些reverse栏空白的字母是省略了.后来在找到了更多的测试数据,发现了自己理解错了,重新读题= =,修改了下代码- -.弄了很久才AC

我的思路和别人有点不同的是,我是通过计算来得到在常量表中的位置

好吧= =  这道题本来该总结很多的,今天来忘记很多了.

#include
     
       #include
      
        #include
       
         const int maxn = 1000; int main() {
    #ifdef  LOCAL     freopen("input.txt", "r", stdin); #endif int state_m = 1, state_p = 1; int len; int a, x; //a字符在数组中位置,x数组中间位置     char s[maxn]; const char c[] = "A   3  HIL JM O   2TUVWXY51SE Z  89"; while(scanf("%s", s) != EOF)     {
                printf("%s", s);             state_m = 1; state_p = 1;             len = strlen(s);             x = (len + 1) / 2; for(int i = 0; i < x; i++)             {
                    a = (int)(isdigit(s[i]) ? s[i] - 23: s[i] - 65); if(s[len-1-i] == c[a]) //判断是否为mirrored                 {
    if(s[len-1-i] != s[i]) state_p = 0;                 } else                 {
                        state_m = 0; if(s[len-1-i] != s[i]) state_p = 0;                 }             } if(state_m && state_p) printf(" -- is a mirrored palindrome.\n\n"); else if(state_m) printf(" -- is a mirrored string.\n\n"); else if(state_p) printf(" -- is a regular palindrome.\n\n"); else printf(" -- is not a palindrome.\n\n");             memset(s, 0, sizeof(s));     } return 0; }