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Commitc4c63f5

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Merge pull requestneetcode-gh#1289 from ShrujanKotturi/main
File(s) Modified: 973-K-Closest-Points-to-Origin.cs
2 parents677d705 +54b2ec2 commitc4c63f5

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publicclassSolution{
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// Closest to origin minHeap
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privatePriorityQueue<int[],double>pq;
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privateintsize;
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// T: O(Max(M, KLogM)), S: O(k)
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publicint[][]KClosest(int[][]points,intk){
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pq=newPriorityQueue<int[],double>();
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size=k;
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AddToPriorityQueue(points);
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returnClosest();
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}
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publicclassMaxHeap:IComparer<double>{
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publicintCompare(doublex,doubley){
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if(x<y)return1;å
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elseif(x>y)return-1;
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elsereturn0;
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}
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}
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// T: O(M)
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privatevoidAddToPriorityQueue(int[][]points){
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foreach(varpointinpoints){
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//var value = (double) Math.Sqrt(point[0]*point[0] + point[1]*point[1]);
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varvalue=(double)point[0]*point[0]+point[1]*point[1];
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pq.Enqueue(point,value);
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}
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}
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// T: O(KLogM)
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privateint[][]Closest(){
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varresult=newList<int[]>();
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while(size>0){
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result.Add(pq.Dequeue());
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size--;
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}
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returnresult.ToArray();
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}
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}

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