一 题目
Input:
String a = "15324564...1455445"; //数字过长,不能转换为int/long型运算
String b = "45645612...145"; //数字过长,不能转换为int/long型运算
Output:
x = a + b
基本思路:
当字符串a、b的长...
the + operator appends elements of remaining keys from the right handed array to the left handed, whereas duplicated keys are not overwritten.
今天 再次看 php manual的时候,才知道 复制代码 代码如...