kirinmanDevBlog

[문제 링크] https://www.hackerrank.com/challenges/countingsort1/problem?isFullScreen=true Counting Sort 1 | HackerRank Count the number of times each value appears. www.hackerrank.com public class CountingSort1 { public static void main(String[] args) { List arr = Arrays.asList(1, 1, 3, 2, 1); counting(arr); } public static List counting(List arr) { int[] answer = new int[100]; for (int i = 0; i < 1..