import java.util.*; class Solution { public int[] solution(String[] gems) { int[] answer = new int[2]; answer[0] = 1; answer[1] = gems.length; int compare = gems.length-1; int start=0; int end=0; int flag =0; Map gemMap = new HashMap(); for(int i=0; i

import java.util.*; class Solution { public long solution(String expression) { long answer = 0; List allAnswer = new ArrayList(); String[][] allCase = {{"+","-","*"},{"+","*","-"},{"-","+","*"},{"-","*","+"}, {"*","+","-"},{"*","-","+"}}; for(int i=0; i

import java.util.*; class Solution { public String solution(int[] numbers, String hand) { String answer = ""; String left = "*"; String right = "#"; String[][] phone = {{"1","2","3"},{"4","5","6"},{"7","8","9"},{"*","0","#"}}; for (int i=0; i

import java.util.*; class Solution { class LockInfo{ int x; int y; LockInfo(int x, int y){ this.x = x; this.y = y; } } List allLock = new ArrayList(); public boolean solution(int[][] key, int[][] lock) { boolean answer = false; int[][] bigLock = new int[lock.length*3][lock.length*3]; makeBigLock(bigLock,lock); if(allLock.size()==0){ return true; } for(int i=0; i

import java.util.*; class Solution { List deleteIndex = new ArrayList(); public int solution(int m, int n, String[] board) { int answer = 0; String[] copyBoard = new String[board.length+2]; initCopyBoard(copyBoard,board); while(true){ boolean flag = false; for(int i=1; i

import java.util.*; class Solution { public String solution(int n, int t, int m, String[] timetable) { String answer = ""; int start = 540; PriorityQueue pq = new PriorityQueue(); for(int i=0; i