摘要：
public int findDuplicate(int[] nums) { Arrays.sort(nums); System.out.println(Arrays.toString(nums)); int l = 0, r = nums.length - 1; while (l < r) { i 阅读全文
摘要：
public int findInMountainArray(int target, MountainArray mountainArr) { int len = mountainArr.length(); int l = 0, r = len; while(l < r) { int mid = l 阅读全文