#include <bits/stdc++.h> using namespace std; /* Problem description: There is an array A, the length of array A is N. You need to perform Q queries. Each query, you get an integer X, and you need to find the smallest integer Y in array A, meet Y &g…
Given a non-empty binary search tree and a target value, find k values in the BST that are closest to the target. Note: Given target value is a floating point. You may assume k is always valid, that is: k ≤ total nodes. You are guaranteed to have onl…
Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Note: Given target value is a floating point. You are guaranteed to have only one unique value in the BST that is closest to the target.…