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Commit86a0400

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update: 217 & 274 & 275
1 parent076b489 commit86a0400

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4 files changed

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‎README.md

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@@ -66,7 +66,10 @@ This is the solutions collection of my LeetCode submissions, most of them are pr
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|206|[Reverse Linked List](https://leetcode.com/problems/reverse-linked-list/)|[JavaScript](./src/reverse-linked-list/res.js)|Easy|
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|207|[Course Schedule](https://leetcode.com/problems/course-schedule/)|[JavaScript](./src/course-schedule/res.js)|Medium|
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|210|[Course Schedule II](https://leetcode.com/problems/course-schedule-ii/)|[JavaScript](./src/course-schedule-ii/res.js)|Medium|
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|217|[Contains Duplicate](https://leetcode.com/problems/contains-duplicate/)|[JavaScript](./src/contains-duplicate/res.js)|Easy|
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|240|[Search a 2D Matrix II](https://leetcode.com/problems/search-a-2d-matrix-ii/)|[JavaScript](./src/search-a-2d-matrix-ii/res.js)|Medium|
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|274|[H-Index](https://leetcode.com/problems/h-index/)|[JavaScript](./src/h-index/res.js)|Medium|
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|275|[H-Index II](https://leetcode.com/problems/h-index-ii/)|[JavaScript](./src/h-index-ii/res.js)|Medium|
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|299|[Bulls and Cows](https://leetcode.com/problems/bulls-and-cows/)|[JavaScript](./src/bulls-and-cows/res.js)|Medium|
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|307|[Range Sum Query - Mutable](https://leetcode.com/problems/range-sum-query-mutable/)|[JavaScript](./src/range-sum-query-mutable/res.js)|Medium|
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|310|[Minimum Height Trees](https://leetcode.com/problems/minimum-height-trees/)|[JavaScript](./src/minimum-height-trees/res.js)|Medium|

‎src/contains-duplicate/res.js

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/**
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*@param {number[]} nums
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*@return {boolean}
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*/
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varcontainsDuplicate=function(nums){
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nums.sort();
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if(nums.length<2)returnfalse;
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for(letindex=1;index<nums.length;index++){
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if(nums[index]===nums[index-1])returntrue;
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}
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returnfalse;
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};

‎src/h-index-ii/res.js

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/**
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* citations = [0,1,3,5,6]
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* index = [1,2,3,4,5]
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*@param {*} citations
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*/
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/**
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*@param {number[]} citations
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*@return {number}
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*/
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consthIndex=function(citations){
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constarrLen=citations.length;
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letindex;
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for(index=arrLen-1;index>=0;index--){
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constelement=citations[index];
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if(element<(arrLen-index)){
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break;
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}
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}
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returnarrLen-index-1;
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};
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consthIndex_2=(citations)=>{
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constlen=citations.length;
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if(len==0||citations[len-1]==0){
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return0;
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}
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letleft=0;
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letright=len-1;
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while(left<right){
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constmid=Math.floor((left+right)/2);
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if(citations[mid]<(len-mid)){
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left=mid+1;
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}else{
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right=mid;
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}
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}
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returnlen-left;
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}

‎src/h-index/res.js

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/**
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*@param {number[]} citations
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*@return {number}
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*/
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consthIndex=function(citations){
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constarrLen=citations.length;
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constcount=newArray(arrLen+1);
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for(letindex=0;index<arrLen;index++){
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constelement=citations[index];
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constrealNum=Math.min(element,arrLen);
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(count[realNum] ?count[realNum]+=1 :count[realNum]=1);
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}
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letsk=count[arrLen]||0;
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letresIndex=arrLen;
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while(sk<resIndex){
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resIndex--;
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sk+=count[resIndex]||0;
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}
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// console.log(count);
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returnresIndex;
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};

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