u012486727的专栏

package stack; public class Expression_Pattern {  int num,sign,curNum=0,curSign=0,str_first;  String stackNum[]=new String[100],stackSign[]=new String[100];   String str1[];   public static vo

查找算法：有序查找（时间复杂度：O(n)）,

任意多边形A1，A2，A3....An;