有一个java对象Value,包括两个int字段a, b,有七个这样的对象放在数组Arr中,并且这七个对象中不存在a与b都相等的情况.请写一段程序并用二分法查找第一次批配在a=3,b=4的对象.已有的五个对象如下(8分)
1. a = 6, b = 2
2. a = 2, b = 2
3. a = 2, b = 3
4. a = 1, b = 5
5. a = 3, b = 4
6. a = 4, b = 5
7. a = 5, b = 1
1. a = 6, b = 2
2. a = 2, b = 2
3. a = 2, b = 3
4. a = 1, b = 5
5. a = 3, b = 4
6. a = 4, b = 5
7. a = 5, b = 1
然后再找b
a 相等的再以 b 排序
用2个 二分查找
例如对于原贴的例子,我要找[a = 2, b = 2]的话,第一次找a = 2的元素必须返回2个元素:
[a = 2, b = 2]
[a = 2, b = 3]
如何使用二分法查找多个元素的集合?