kk

src/main/java/com/dota/Solution.java

@@ -1,8 +1,18 @@
 package com.dota;
 
+import org.apache.commons.collections4.list.TreeList;
+
 import java.util.HashMap;
 
 public class Solution {
+	public static void main(String[] args) {
+		var a = new TreeList<Integer>();
+		a.add(1);
+		a.add(2);
+		a.add(1);
+		System.out.println(a.get(2));
+		Integer.bitCount(1231);
+	}
 	// 1423. 可获得的最大点数
 	public int maxScore(int[] cardPoints, int k) {
 		int max;