import java.util.*;class Solution { public String solution(int[] numbers) { StringBuilder sb = new StringBuilder(); String[] str = Arrays.stream(numbers) .mapToObj(String::valueOf) .toArray(String[]::new); Arrays.sort(str, (a, b) -> (b+a).compareTo(a+b)); for(String num : str) { sb.append(num); } ..

class Solution { public int solution(int[] diffs, int[] times, long limit) { int answer = level(diffs, times, limit); return answer; } public long calculate(int[] diffs, int[] times, long limit, int level) { long time = 0; int answer = 0; for(int i=0; i limit) { min = level + 1; } else { max = level..

import java.util.*;class Solution { public int solution(int[] nums) { int answer = 0; int length = nums.length; int []newNums = Arrays.stream(nums).distinct().toArray(); if(newNums.length >= length/2) { answer = length/2; } else { answer = newNums.length; } return answer; }}

import java.util.*;class Solution { public String solution(String[] participant, String[] completion) { String answer = ""; Map map = new HashMap(); for(int i=0; i