char s[MAX] ={0}; //´æ·ÅÔ´×Ö´® char s1[MAX]={0}; //´æ·Å×Ó×Ö´® char s2[MAX]={0}; //´æ·ÅÌæ»»×Ö´® char result_a[2000] = {0};//´æ·ÅÌæ»»½á¹û;
字符数组同赋初值，所有都是0，相当于'\0'
