AlgorithmBook write a summary of algorithm leetcode 题解 二分查找 binarySearch 350 Intersection of Two Arrays II 852 Peak Index in a Mountain Array 744 Find Smallest Letter Greater Than Target 475 Heaters 441 Arranging Coins 374 Guess Number Higher or Lower 367 Valid Perfect Square 349 Intersection of Two Arrays 278 First Bad Version 167 Two Sum II - Input array is sorted 69 Sqrt(x) 35 Search Insert Position 275 H-Index II 875 Koko Eating Bananas 658 Find K Closest Elements 454 4Sum II 436 Find Right Interval 392 Is Subsequence 378 Kth Smallest Element in a Sorted Matrix 300 Longest Increasing Subsequence 287 Find the Duplicate Number 240 Search a 2D Matrix II 162 Find Peak Element 153 Find Minimum in Rotated Sorted Array 81 Search in Rotated Sorted Array II 74Search a 2D Matrix 50 Pow(x, n) 34 Find First and Last Position of Element in Sorted Array 33 Search in Rotated Sorted Array