面试场景
高频考察问题建模、边界条件与口头表达的清晰度。
常见误区
只背模板不解释为什么，容易在追问里失分。
练习策略
每轮练 3-5 题，固定复盘复杂度和可替代解法。
推荐练习顺序
#题目难度分类
278
第一个错误的版本
Find the first bad version of a product using binary search, minimizing the number of API calls.
简单
二分查找
374猜数字大小
Find the picked number efficiently using binary search while adjusting guesses based on higher or lower feedback in this…
简单
二分查找
843猜猜这个单词
Master the Guess the Word problem by applying array manipulation, match-counting math, and strategic interactive guessin…
困难
数组
1095山脉数组中查找目标值
Find in Mountain Array requires locating a target using binary search over a peak-structured array efficiently in intera…
困难
数组
1237找出给定方程的正整数解
Determine all positive integer pairs that satisfy a hidden monotonic function for a given target using binary search ove…
中等
数学