void main(){
int result = jud("12521");
printf("%d\n",result);
}//main
//判断是否为回文
int jud(char *p){
int i=0,j,count=0,flag=1;
while (*(p + i) != '\0'){
i++;
count++;
}//while
for (i = 0, j = count-1; i <= j; i++, j--){//回文判断
if (*(p+i) != *(p+j)){
flag = 0;//非回文
}//if
}//for
return flag;
}//jud