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Commit8e1362e

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continues at 80-remove duplicatesII, 33-searchRotatedArray
1 parentbce14ac commit8e1362e

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/**
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* Binary search
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*
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*@param {number[]} nums
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*@param {number} target
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*@return {number}
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*/
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varsearch=function(nums,target){
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returnsearchHelper(nums,0,nums.length-1,target);
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};
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varsearchHelper=function(nums,left,right,target){
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if(right<left)return-1;
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varmid=left+Math.floor((right-left)/2);
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if(nums[mid]===target)returnmid;
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if(nums[left]<=nums[mid]){
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if(target>=nums[left]&&target<nums[mid]){
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returnsearchHelper(nums,left,mid-1,target);
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}else{
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returnsearchHelper(nums,mid+1,right,target);
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}
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}else{
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if(target<=nums[right]&&target>nums[mid]){
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returnsearchHelper(nums,mid+1,right,target);
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}else{
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returnsearchHelper(nums,left,mid-1,target);
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}
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}
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}
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// Interative, to be continued

‎Medium/80-removeDuplicatesII.js‎

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/**
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* Key: Use two pointers. First pointer is for the a generated array
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* as long as it doesn't have more than two more Duplicates, the original point
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* keeps moving...
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*
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*@param {number[]} nums
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*@return {number}
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*/
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varremoveDuplicates=function(nums){
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varnewStart=0;
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for(vari=0;i<nums.length;i++){
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if(newStart<2||nums[i]>nums[newStart-2]){
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nums[newStart]=nums[i];
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newStart++;
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}
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}
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returnnewStart;
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};

‎README.md‎

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*[74. Search a 2D Matrix](https://leetcode.com/problems/search-a-2d-matrix/) -[Solution](./Medium/74-search2DMatrix.js)
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*[75. Sort Colors](https://leetcode.com/problems/sort-colors/) -[Solution](./Medium/75-sortColors.js)
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*[77.Combinations](https://leetcode.com/problems/combinations/) -[Solution](./Medium/77-combinations.js)
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*[80. Remove Duplicates from Sorted Array II](https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/) -[Solution](./Medium/80-removeDuplicatesII.js)
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*[89. Gray Code](https://leetcode.com/problems/gray-code/) -[Solution](./Medium/89-grayCode.js)
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*[94. Binary Tree Inorder Traversal](https://leetcode.com/problems/binary-tree-inorder-traversal/) -[Solution](./Medium/94-binaryTreeInorder.js)
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*[96. Unique Binary Search Trees](https://leetcode.com/problems/unique-binary-search-trees/) -[Solution](./Medium/96-uniqueBinarySearchTrees.js)
@@ -106,3 +107,6 @@
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*[318. Maximum Product of Word Lengths](https://leetcode.com/problems/maximum-product-of-word-lengths/) -[Solution](./Medium/318-maximumProductWordLengths.js)
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*[319. Bulb Switcher](https://leetcode.com/problems/bulb-switcher/) -[Solution](./Medium/319-bulbSwitcher.js)
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*[337. House Robber III](https://leetcode.com/problems/house-robber-iii/) -[Solution](./Medium/337-houseRobberIII.js)
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#####Hard
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*[33. Search in Rotated Sorted Array](https://leetcode.com/problems/search-in-rotated-sorted-array/) -[Solution](./Medium/33-searchRotatedSortedArray.js)

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