Java446 [LeetCode/Java] Valid Anagram -Codeimport java.util.*;class Solution { public boolean isAnagram(String s, String t) { // 길이가 다르면 실패 if (s.length() != t.length()) { return false; } Map wordCnt = new HashMap(); // 문자의 갯수를 셋팅 for (char ch : s.toCharArray()) { wordCnt.put(ch, wordCnt.getOrDefault(ch, 0) + 1); } // 문자열 갯수와 비교 for(char ch : t.t.. 2025. 12. 31. [LeetCode/Java] Contains Duplicate -Codeimport java.util.*;class Solution { public boolean containsDuplicate(int[] nums) { Set numsSet = new HashSet(); for (int i = 0; i 2025. 12. 31. [백준/Java] 32400번 다트판 -Codeimport java.io.*;import java.util.*;public class BOJ32400 { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int[] score = new int[20]; double sum = 0; int maxIdx = 0; for (int i = 0; i bob) {.. 2025. 12. 31. [백준/Java] 2580번 스도쿠 -Codeimport java.io.*;import java.util.*;public class BOJ2580 { static int[][] sudoku = new int[9][9]; public static void main(String[] args) throws Exception{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); // 스도쿠 배열 초기화 for (int i = 0; i = 9) { // 다음 줄로 넘어감 return solveSudoku(row + 1, 0); } .. 2025. 12. 30. [백준/Java] 14888번 연산자 끼워넣기 -Codeimport java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;public class BOJ14888 { static int[] nums; static int[] calcCnt = new int[4]; static int minNum = Integer.MAX_VALUE, maxNum = Integer.MIN_VALUE; public static void main(String[] args) throws IOException { BufferedReader br = new Buffere.. 2025. 12. 30. [백준/Java] 11729번 하노이 탑 이동 순서 -Codeimport java.util.Scanner;public class BOJ11729 { static StringBuilder answer = new StringBuilder(); public static void main(String[] args) { Scanner sc = new Scanner(System.in); int diskCnt = sc.nextInt(); hanoi(diskCnt, 1, 3, 2); // 옮긴 횟수 계산 System.out.println((int) Math.pow(2, diskCnt) - 1); System.out.println(answer); } /** 하노이 탑 .. 2025. 12. 30. 이전 1 ··· 27 28 29 30 31 32 33 ··· 75 다음