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Commitc1aaff3

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Merge pull requestneetcode-gh#2439 from tayyabferozi/main
2 parents86e72f5 +88ea0f2 commitc1aaff3

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2 files changed

+69
-1
lines changed

2 files changed

+69
-1
lines changed

‎javascript/0347-top-k-frequent-elements.js

Lines changed: 42 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
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/**
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* Set - Frequency Counter
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* Set - Frequency Counter | Using sort
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* Time O(NlogN) | Space O(N)
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* https://leetcode.com/problems/top-k-frequent-elements/
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*@param {number[]} nums
@@ -22,3 +22,44 @@ var topKFrequent = function(nums, k) {
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}
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returnoutput;
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};
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/**
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* Without Sort
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* Time O(N) | Space O(k)
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* https://leetcode.com/problems/top-k-frequent-elements/
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*@param {number[]} nums
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*@param {number} k
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*@return {number[]}
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*/
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vartopKFrequent=function(nums,k){
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constmp=newMap();
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constarr=newArray(nums.length+1).fill(0);
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constans=[];
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nums.forEach(el=>{
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constval=mp.get(el)||0;
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mp.set(el,val+1);
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});
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for(let[key,value]ofmp){
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constprev=arr[value]||[];
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prev.push(key);
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arr[value]=prev;
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}
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arr.reverse();
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for(letelofarr){
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if(k<1)break;
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if(el){
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for(letel2ofel){
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if(k<1)break;
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ans.push(el2);
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k--;
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}
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}
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}
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returnans;
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};

‎javascript/0424-longest-repeating-character-replacement.js

Lines changed: 27 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,30 @@
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/**
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* https://leetcode.com/problems/longest-repeating-character-replacement/
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* Time O(((N + 26) * N) * (M - N)) | Space O(1)
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*@param {string} s
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*@param {number} k
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*@return {number}
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*/
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varcharacterReplacement=function(s,k){
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letres=0;
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letcount=newMap();
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letl=0;
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for(letr=0;r<s.length;r++){
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letlen=r-l+1
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count.set(s[r],1+(count.get(s[r])||0))
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if((len-Math.max(...count.values()))>k){
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count.set(s[l],count.get(s[l])-1)
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l++;
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}
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len=r-l+1;
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res=Math.max(res,len)
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}
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returnres;
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};
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/**
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* https://leetcode.com/problems/longest-repeating-character-replacement/
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* Time O(((N + 26) * N) * (M - N)) | Space O(1)

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