hye-ung97

public class Coin {
    public static int solution(int sum, int[] coins){
        int[] dp = new int[sum + 1];
        dp[0] = 1;
        for (int i = 0; i < coins.length; i++) {
            for (int j = 1; j <= sum; j++) {
                if (j >= coins[i])
                    dp[j] += dp[j - coins[i]];
            }
        }

hye-ung97

import java.util.*;
class Solution
{
    public int solution(int [][]board)
    {
        int answer = 0;
        
        answer = Arrays.stream(board).flatMapToInt(Arrays::stream).max().getAsInt();
        if(answer == 0){
            return 0;

hye-ung97

class Solution {
    public static int[] answer;
    public int[] solution(int[][] arr) {
        answer = new int[2];
        divide(arr, 0, 0, arr.length);
        return answer;
    }
    
    public static void divide(int[][] arr, int a, int b, int size){

hye-ung97

import java.util.*;

class Solution {
    public int[] solution(String[] keymap, String[] targets) {
        int[] answer = new int[targets.length];
        HashMap<Character, Integer> keypad = new HashMap<>();

        for (int i = 0; i < keymap.length; i++) {
            for (int j = 0; j < keymap[i].length(); j++) {
                char cur = keymap[i].charAt(j);

hye-ung97

class Solution {
    public int solution(String skill, String[] skill_trees) {
        int answer = 0;

        for (int i = 0; i < skill_trees.length; i++) {
            skill_trees[i] = skill_trees[i].replaceAll("[^"+skill+"]","");
            boolean flag = false;
            for (int j = 0; j < skill_trees[i].length(); j++) {
                if(skill.charAt(j) != skill_trees[i].charAt(j)){
                    flag = true;

hye-ung97

import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;

public class Solution {

    public static class movie{
        int idx;
        int play;

hye-ung97

import java.util.*;
class Solution {
    boolean solution(String s) {
        boolean answer = true;
        Stack<Character> stack = new Stack<>();
        
        for(char item : s.toCharArray()){
            if(item == '('){
                stack.push('(');
            }

hye-ung97

import java.util.*;

class Solution {
    public int[] solution(String msg) {
        HashMap<String, Integer> map = new HashMap<>();
        for (int i = 0; i < 26; i++) {
            map.put(String.valueOf((char) ('A' + i)), i + 1);
        }

        ArrayList<Integer> result = new ArrayList<>();

hye-ung97

import java.util.*;

class Solution {
    public String solution(String s, String skip, int index) {
        ArrayList<Character> list = new ArrayList<>();
        for(int i = 0; i < 26; i++){
            list.add((char) ('a' + i));
        }

        for(Character item : skip.toCharArray()){

hye-ung97

import java.util.*;

class Solution {
    public int[] solution(String[] name, int[] yearning, String[][] photo) {
        int[] answer = new int[photo.length];
        HashMap<String, Integer> nameMap = new HashMap<>();
        for(int i = 0; i < name.length; i++){
            nameMap.put(name[i], yearning[i]);
        }