PAT1003

还是没明白题意, 瞎写啊.

#include <stdio.h>

int docheck (char *);

int main () {

    int line,i;
    scanf("%d",&line);
    char checkpat[line-1][200];

    for (i=0;i<line;i++) {

        scanf("%s",checkpat[i]);

    }

    for (i=0;i<line;i++) {

        if (docheck(checkpat[i])) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return 0;
}

int docheck (char * patform ) {

    int count_a=0;
    int count_b=0;
    char * k;


    char * t=patform;

    int i=0;


        if (*t!='A' && *t!='P') {
            return 0;
        } else if (*t=='A') {
                        t++;
            if ( *t!='P' ) {
                 return 0;
            } else {
                t++;
            }

        } else {
              t++;
        }

         while ( *t!='T' ) {
                if (*t=='A') {
                    t++;
                    count_a++;
                } else {
                    return 0;
                }

         }
         t++;

         if (*t=='\0') {
            return 1;
         } else {
                while ( *t!='\0' ) {
                    if (*t=='A') {
                        t++;
                        count_b++;
                    } else {
                        return 0;
                    }

                }
         }
         if (count_a == count_b) {
            return 1;
         } else {
            return 0;
         }
}