import java.util.*; class Solution { Map nextStone = new HashMap(); public int solution(int[] stones, int k) { int answer = 0; boolean endFlag = false; initStone(stones); while(true){ for(int i=0; i k) { endFlag=true; break; } stones[i]--; if(stones[i]==0){ updateNextStone(stones,i); } i=nextStone.get(i); } if(endFlag == true){ break; } else { answer ++; } } return answer; } private void initSto..

import java.util.*; class Solution { Map assignedRoom = new HashMap(); public long[] solution(long k, long[] room_number) { long[] answer = new long[room_number.length]; for(int i=0; i

import java.util.*; class Solution { int answer; List list = new ArrayList(); public int solution(String[] user_id, String[] banned_id) { boolean[] visited = new boolean[user_id.length]; dfs(user_id,banned_id,0,0,visited); return answer; } private void dfs(String[] user_id, String[] banned_id, int index, int checkIdNumber, boolean[] visited) { if (checkIdNumber == banned_id.length) { //banned_id..

import java.util.*; class Solution { int position; public String solution(String p) { if(p.isEmpty()){ return p; } String answer = "("; boolean flag = isCorrect(p); String u = p.substring(0,position); String v = p.substring(position); if(flag){ return u+solution(v); } answer += solution(v) + ")"; for(int i=1; i

import java.util.*; class Solution { public int solution(String[][] relation) { int answer = 0; int rowsize = relation.length; int colsize = relation[0].length; List candidates = new LinkedList(); for(int i=1; i< 11; } return ret; } public int compare(Integer a, Integer b){ int x = countBit(a); int y = countBit(b); return x-y; } }); while(candidates.size() !=0){ int n = candidates.remove(0); ans..

import java.util.*; class Solution { class food{ int turn; int remainder; food(int turn, int remainder){ this.turn = turn; this.remainder = remainder; } } public int solution(int[] food_times, long k) { int answer = 0; List remainFood = new LinkedList(); for(int i=0; i0){ remainFood.add(new food(remainFood.get(0).turn,remainFood.get(0).remainder)); remainFood.remove(0); }else{ remainFood.remove(..