diff --git a/README.md b/README.md index f7223d9730..4c6a87da0a 100644 --- a/README.md +++ b/README.md @@ -29,6 +29,7 @@ Your ideas/fixes/algorithms are more than welcome! | # | Title | Solutions | Time | Space | Video | Difficulty | Tag |-----|----------------|---------------|---------------|---------------|--------|-------------|------------- +|973|[K Closest Points to Origin](https://leetcode.com/problems/k-closest-points-to-origin/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_973.java) | O(nlogn) | O(K) | |Easy| Math Sort |970|[Powerful Integers](https://leetcode.com/problems/powerful-integers/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_970.java) | O(?) | O(1) | |Easy| Math |966|[Vowel Spellchecker](https://leetcode.com/problems/vowel-spellchecker/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_966.java) | O(hlogn) | O(n) | |Medium| Hash Table, String |965|[Univalued Binary Tree](https://leetcode.com/problems/univalued-binary-tree/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_965.java) | O(n) | O(h) | |Easy| DFS, recursion| diff --git a/src/main/java/com/fishercoder/solutions/_973.java b/src/main/java/com/fishercoder/solutions/_973.java new file mode 100644 index 0000000000..285e08727a --- /dev/null +++ b/src/main/java/com/fishercoder/solutions/_973.java @@ -0,0 +1,43 @@ +package com.fishercoder.solutions; + +import java.util.Comparator; +import java.util.PriorityQueue; + +public class _973 { + + public static class Solution1 { + public int[][] kClosest(int[][] points, int K) { + int[][] ans = new int[K][2]; + + PriorityQueue pq = new PriorityQueue<>(new Comparator() { + @Override + public int compare(int[] o1, int[] o2) { + double dist1 = getDistance(o1); + double dist2 = getDistance(o2); + + if (dist1 > dist2) { + return 1; + } else if (dist1 < dist2) { + return -1; + } else { + return 0; + } + } + }); + + for (int[] point : points) { + pq.add(point); + } + + for (int i=0; i pFad - Phonifier reborn

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