백준
1.백준 10811번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in); }}처음에는 while이 아닌 for문
2.백준 1546
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}}스페셜 저지였지만 난이도는 상당히 낮았
3.백준 5597
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in); }}오늘 풀면서 20분이 넘도록 감이
4.백준 10813
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in); }}temp를 써서 값을 바꾸는 첫 실
5.백준 27866
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}}너무 쉬워보이지만 나는 풀지 못했다.
6.백준 2743
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);
7.백준 9086
//TIP To Run code, press or// click the icon in the gutter.import java.util.Scanner;public class Main { public static void main(String\[] args) {
8.백준 11654
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);
9.백준 11720
// click the icon in the gutter.import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Sca
10.백준 2738번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 이전 문제가 실버5여서 그런
11.백준 2566
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}근래에 푼 문제중에 제일 쉬운
12.백준 10798
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 코드가 상당히 길어졌다. 내
13.백준 5086
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}break문을 나중에 쓰니 런
14.백준 2501번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}나의 입장에서는 약수의 순서를
15.백준 2720번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);// 194 -> 7 1 1 4
16.백준 1316번
// Press Shift twice to open the Search Everywhere dialog and type show whitespaces,// then press Enter. You can now see whitespace characters in your
17.백준 25206
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}입력 받은 줄을 공백을 기준으
18.백준 2563번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 코드가 정말 아름답다. 나는
19.백준 2903번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}배열을 만드니 정말 쉬운 문제
20.백준 2292번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}숫자 범위에 따른 방의 개수를
21.백준 1193번 ( 다시 풀 문제!!!!)
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 지금까지 내가 푼 문제중에
22.백준 2869번
시간 초과 문제를 만났다.import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 이
23.백준 9506번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);맨 처음 내가 풀때 나는 조건식
24.백준 1978번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}코드를 맨 처음에 짤때는 쉽다
25.백준 2581번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 문제에 드디어 boolean
26.백준 11653번(소인수분해 다시!!)
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}소인수분해 문제이길래 소수를
27.백준 5073번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);while(true) {
28.백준 14215
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);} 이번에도 당연히 제일 작은
29.백준 2839번
import java.util.Scanner;public class Main { public static void main(String\[] args) { Scanner in = new Scanner(System.in);}여기서 중요한 로직은 맨 처음
30.백준 2750번(오름차순, 내림차순)
import java.lang.reflect.Array;import java.util.Arrays;import java.util.Collections;import java.util.Scanner;public class Main { public static void
31.백준 2587번
import java.lang.reflect.Array;import java.util.Arrays;import java.util.Collections;import java.util.Scanner;public class Main { public static void
32.백준 25305
import java.lang.reflect.Array;import java.util.Arrays;import java.util.Collections;import java.util.Scanner;public class Main { public static void
33.백준 2751 (Buffered Reader)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Arrays;import java.util.Scanner;import java
34.백준 10989번
import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.IOException;import java.util.Arrays;public class Main { public static v
35.백준 1427번
import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.IOException;import java.util.Arrays;import java.util.Collections;public
36.백준 11650번 (람다 다시풀기!!)
import java.util.;import java.io.;public class Main { public static void main(String\[] args) throws IOException { BufferedReader br = new Buffer
37.백준 2798 (블랙잭 조합!!)
import java.util.;import java.io.;public class Main { public static void main(String\[] args) throws IOException { BufferedReader br = new Buffer
38.백준 2231(브루트 포스 발상!!)
import java.util.;import java.io.;public class Main { public static void main(String\[] args) throws IOException { BufferedReader br = new Buffer
39.백준 10815번
import java.util.;import java.io.;public class Main { public static void main(String\[] args) throws IOException { BufferedReader br = new Buffer
40.백준 14425(문자열 집합)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Arrays;import java.util.Scanner;import java
41.백준 7785 (Set,List)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
42.백준 1934
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
43.백준 13241 (최대 공약수)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
44.백준 1735
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
45.백준 2485
//TIP To Run code, press or// click the icon in the gutter.import java.util.Scanner;import java.util.;import java.io.;// 1 10 13 16public class Main
46.백준 19532
//TIP To Run code, press or// click the icon in the gutter.import java.util.Scanner;import java.util.;import java.io.;// 1 10 13 16public class Main
47.백준 4143번(소수 찾기)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
48.백준 1929번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
49.백준 4948
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
50.백준 13909
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
51.백준 8958번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
52.백준 11723번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
53.백준 11723번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
54.백준 1764 (듣보잡)
import java.util.;import java.io.;// 1 10 13 16public class Main { public static void main(String\[] args) throws IOException {}hash함수를 이용하여 count를
55.백준 11047
import java.util.;import java.io.;// 1 10 13 16public class Main { public static void main(String\[] args) throws IOException {int\[] coins = new i
56.백준 11399
import java.util.;import java.io.;// 1 10 13 16public class Main { public static void main(String\[] args) throws IOException {}누적합 문제는 sum이라는 새로운
57.백준 17219
import java.util.;import java.io.;// 1 10 13 16public class Main { public static void main(String\[] args) throws IOException {String\[] M2 = new S
58.백준 1003
import java.util.;import java.io.;// 1 10 13 16public class Main { public static void main(String\[] args) throws IOException {}점화식을 만들면 상당히 빨리 풀리는
59.백준 1463번 (db 점화식) 다시 !!
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
60.백준 2579번 (점화식) 다시 !!
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
61.백준 2606번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main {// graph1 = 2,5 dfs(2
62.백준 1259
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main {
63.백준 2609번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main {오랜만에 최대공약수,최소공배수를 구하는
64.백준 2775번 (부녀회장 점화식)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main {점화식을 이용해서 문제를 푸는 문제였다
65.백준 14626번 (ISBN)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main {if (k %2 == 0){
66.백준 1181번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main {compareTo()라는 메서드를 이용
67.백준 1676번 (팩토리얼 0의 개수)
틀린 코드 : import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public st
68.백준 7568번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;public class Main { public static voi
69.백준 10814번 (나이순 정렬)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
70.백준 1920번(수 찾기)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
71.백준 2164번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
72.백준 11651번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
73.백준 4949번(스택 구조)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
74.백준 9012번(스택 구조)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
75.백준 10773(스택 구조)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
76.백준 10816번 (HashMap) 다시 ! (.getOrDefault()) 메서드
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
77.백준 10828번 (스택)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
78.백준 10845번 (큐)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
79.백준 11866번 (요세푸스)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
80.백준 18110번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
81.백준 1018(체스판 어려움)!!!!
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
82.백준 1874 (스택 수열) (어려워 다시)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
83.백준 9375 (HashMap, getOrDefault) 패션왕 신혜빈
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
84.백준 9461번 (점화식)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
85.백준 11659번 (누적합 배열)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
86.백준 11726번 (점화식 깔끔하게)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
87.백준 11727번 (11726 심화 버전)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
88.백준 17626번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
89.백준 1764번 (듣보잡) 2회차
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
90.백준 11723번 (2회차)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
91.백준 11399번 (2회차)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
92.DFS, BFS
✅ DFS (깊이 우선 탐색) 쓰는 경우경로 전체를 탐색해야 할 때→ 예: "어디까지 갈 수 있는가?" "연결된 영역은 몇 개인가?"백트래킹(모든 경우의 수 탐색)→ 예: N-Queen, 미로 경로 찾기(최단거리 X, 모든 경로 탐색)재귀로 구현이 간단할 때→ 작은 문
93.백준 9095번 (DB)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;import static java.util.Collections.\*;p
94.백준 2231 (2회차 브루트 포스)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;import stat
95.백준 2839번 (2회차 DP)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;import stat
96.백준 11660번 (구간 합 구하기 5)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;import stat
97.백준 2018번(수들의 합 5)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;import stat
98.백준 1940번 (정렬 및 투포인터)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;import stat
99.백준 1253번 (정렬 및 투 포인터)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;import stat
100.백준 12891번 (슬라이딩 윈도우)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;public clas
101.백준 11286번 (큐,람다)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;public clas
102.백준 11724번(DFS)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.Inet4Address;import java.util.\*;public clas
103.백준 2675
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.HashMap;import java.util.Map;import java.ut
104.백준 1152(복습)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.HashMap;import java.util.Map;import java.ut
105.백준 3052번 (복습)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
106.백준 8958번 (복습)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
107.백준 10809번(복습_어려워..)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
108.백준 4153 (복습)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
109.백준 10250번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
110.백준 2577번 (아스키코드)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
111.백준 2920번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
112.백준 31403번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
113.백준 2475번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
114.백준 308082번 (노가다)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
115.백준 15829번 (큰수)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
116.백준 1978번 (복습)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
117.백준 1546번 (복습)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
118.백준 11723번 (출력은 StringBuilder)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
119.백준 1620번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
120.백준 1764번
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search
121.백준 11399 (누적합)
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.\*;// Press Shift twice to open the Search