UVa 401回文词

#include <stdio.h>#include <string.h>#include <ctype.h>char array[35]="A   3  HIL JM O   2TUVWXY5 1SE Z  8 ";int main(){char str[40];int i,len,flag_pal,flag_mir;while(scanf("%s",str)==1){flag_pal=1,flag_mir=1;len = strlen(str);for(i=0;i<(len+1)/2;i++){if(str[i] != str[len-i-1])flag_pal = 0;if(isupper(str[i])){if(array[str[i]-'A'] != str[len-i-1]) flag_mir=0;}else{if(array[str[i]-'0'+26] != str[len-i-1]) flag_mir=0;}}if(flag_pal+flag_mir == 1)printf("%s\n",flag_pal ? "is a regular palindrome":"is a mirrored string");elseprintf("%s\n",flag_pal ? "is a mirrored palindrome":"is not a palindrome");printf("\n");}return 0;}