第一道二分答案...今天看了大牛的博客,突然发现有个叫“二分枚举答案”的方法好像很牛,于是便搜了些资料..发现并不是很难,可能是我了解的只是冰山一脚罢了...加油ACMer!!!! #include<stdio.h> #include<string.h> #include<algorithm> using namespace std; #define max 500000 int d[max],ans; int L,n,m; bool OK(int stp){ …
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.…