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Commitf3a508f

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Merge pull requestneetcode-gh#3051 from BogdanBTS/main
Update 0189-rotate-array.js
2 parents32cb05f +17f85bb commitf3a508f

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‎javascript/0189-rotate-array.js

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Original file line numberDiff line numberDiff line change
@@ -24,3 +24,41 @@ var reversePortionOfArray = function(nums,start,end) {
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end--;
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}
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}
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/**
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* Two Pointers
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* https://leetcode.com/problems/rotate-array/
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*
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* Time O(n) | Space O(1)
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*@param {number[]} nums
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*@param {number} k
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*@return {void} Do not return anything, modify nums in-place instead.
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*/
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varrotate=function(nums,k){
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k=k%nums.length;
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letl=0;
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letr=nums.length-1;
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while(l<r){
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[nums[l],nums[r]]=[nums[r],nums[l]];
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l+=1;
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r-=1;
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}
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l=0,
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r=k-1;
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while(l<r){
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[nums[l],nums[r]]=[nums[r],nums[l]];
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l+=1;
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r-=1;
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}
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l=k;
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r=nums.length-1;
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while(l<r){
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[nums[l],nums[r]]=[nums[r],nums[l]];
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l+=1;
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r-=1;
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}
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};

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