๋ชฉ๋ก๊ฐ๋ฐ/์๊ณ ๋ฆฌ์ฆ ๋ฌธ์ ํ์ด JAVA (130)
๐ท๐ผ๋ชจ์ฌ๋ด์ ๊ฐ๋ฐ์์ฒ๐ท๐ผ
๋ฌธ์ https://level.goorm.io/exam/195701/%EB%8C%80%EC%B2%B4-%EA%B2%BD%EB%A1%9C/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ํด๊ฒฐ ์๊ฐ 1. map ์์ ๊ฐ ๋ ธ๋๋ค์ด ์ฐ๊ฒฐ๋ ์ ์๋ ๋ ธ๋๋ค์ ArrayList๋ฅผ ๋ง๋ ๋ค. 2. for๋ฌธ์ผ๋ก ์ผ์ฐจ๋ฅผ ๋๋ ค์ ์ผ์ฐจ๊ฐ ์์๊ณผ ๋๋ ธ๋๊ฐ ๊ฐ์ผ๋ฉด -1์ ๋ฆฌํดํ๊ฒ ํ๋ค. 3. ํ์ ๋ ธ๋๋ฅผ ๋ด๋๋ค 4. ํด๋น ๋ ธ๋๋ฅผ map์์ ์ฐพ์ ๊ทธ์ arraylist๋ฅผ ํ์ ๋ด๋๋ค (๋จ! ์ผ์ฐจ์ ๊ฐ๊ฑฐ๋ ํ๋ฒ ์๋ค ๊ฐ (check) ๋ ธ๋๋ ๋ด์ง ์๋๋ค) 5. ๋ ๋ ธ๋๋ฅผ ๋ง๋๋ฉด ์ด์ ์ ๊ฐ์ +1 ํ์ฌ ๋ฆฌํดํ๋ค. ์ฝ๋ import java.util.*; pu..
๋ฌธ์ https://level.goorm.io/exam/195700/%EC%A4%91%EC%B2%A9-%EC%A0%90/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ๋ด๊ฐ ์๊ฐํ ๊ณผ์ 1. ๊ฐ๋ก๋ฅผ ๋จผ์ ๊ธ๊ณ ๊ฐ๋ก์ ๊ฐฏ์๋ฅผ ์ ์ฅํด ๋๋ ๋ฐฐ์ด์ ๋ง๋ ๋ค. 2. ์ธ๋ก๋ฅผ ๊ทธ์๋ ๊ฐ๋ก๊ฐ ๊ทธ์ด์ ธ ์๋ ๊ณณ์ด๋ ๊ฒน์น ๋ ๊ฐ๋ก์ ๊ฐฏ์๋ฅผ answer์ ๋ํด์ค๋ค. import java.io.*; import java.util.*; class Main { public long solution(int N, int M, long[][] arr, ArrayList garo, ArrayList sero) { long answer = 0; boolean[][]..
๋ฌธ์ https://level.goorm.io/exam/195689/%EA%B5%AC%EB%A6%84-%EC%B0%BE%EA%B8%B0-%EA%B9%83%EB%B0%9C/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io import java.util.*; class Main { public static void main(String[] args) throws Exception { Scanner in= new Scanner(System.in); int N = in.nextInt(); int K = in.nextInt(); int answer = 0; int[][] arr = new int[N][N]; for(int i=0; i
๋ฌธ์ https://level.goorm.io/exam/195688/%EB%AC%B8%EC%9E%90%EC%97%B4-%EB%82%98%EB%88%84%EA%B8%B0/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ์ฝ๋ import java.util.*; class Main { public static void main(String[] args) throws Exception { Scanner in= new Scanner(System.in); int N = in.nextInt(); int answer = 0; String str = in.next(); HashSet arr = new HashSet(); int max = N-2..
๋ฌธ์ https://level.goorm.io/exam/195687/%EC%9D%B4%EC%A7%84%EC%88%98-%EC%A0%95%EB%A0%AC/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ์ฝ๋ import java.io.*; import java.util.*; class Binary implements Comparable{ public int index; public int cnt; Binary(int index, int cnt){ this.index = index; this.cnt = cnt; } @Override public int compareTo(Binary o){ if(this.cnt==o.cnt) { re..
๋ฌธ์ https://level.goorm.io/exam/195686/%EC%99%84%EB%B2%BD%ED%95%9C-%ED%96%84%EB%B2%84%EA%B1%B0-%EB%A7%8C%EB%93%A4%EA%B8%B0/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ์ฝ๋ import java.io.*; import java.util.*; class Main { public static void main(String[] args) throws Exception { Scanner in= new Scanner(System.in); int N = in.nextInt(); int[] arr = new int[N]; arr[0] = in...
๋ฌธ์ https://level.goorm.io/exam/195685/%ED%95%A9-%EA%B3%84%EC%82%B0%EA%B8%B0/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ์ฝ๋ import java.io.*; import java.util.*; class Main { public static void main(String[] args) throws Exception { Scanner in= new Scanner(System.in); int N = in.nextInt(); int answer = 0; int yeonsan = 0; Stack stack = new Stack(); for(int i=0; i 0){ int..
๋ฌธ์ https://level.goorm.io/exam/195684/%ED%94%84%EB%A1%9C%EC%A0%9D%ED%8A%B8-%EB%A7%A4%EB%8B%88%EC%A7%95/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ์ฝ๋ import java.io.*; import java.util.*; class Main { public static void main(String[] args) throws Exception { Scanner in= new Scanner(System.in); int N = in.nextInt(); int T = in.nextInt(); int M = in.nextInt(); for(int i=0..
https://level.goorm.io/exam/195683/%EC%9A%B4%EB%8F%99-%EC%A4%91%EB%8F%85-%ED%94%8C%EB%A0%88%EC%9D%B4%EC%96%B4/quiz/1 ๊ตฌ๋ฆLEVEL ๋์ด๋๋ณ ๋ค์ํ ๋ฌธ์ ๋ฅผ ํด๊ฒฐํจ์ผ๋ก์จ SW ์ญ๋์ ํฅ์์ํฌ ์ ์์ต๋๋ค. level.goorm.io ์ฝ๋ import java.io.*; import java.util.*; class Main { public static void main(String[] args) throws Exception { Scanner in= new Scanner(System.in); int W = in.nextInt(); int R = in.nextInt(); double num = (double) R / ..
๋ฌธ์ https://www.acmicpc.net/problem/1748 1748๋ฒ: ์ ์ด์ด ์ฐ๊ธฐ 1 ์ฒซ์งธ ์ค์ N(1 ≤ N ≤ 100,000,000)์ด ์ฃผ์ด์ง๋ค. www.acmicpc.net ํด๊ฒฐ๋ฐฉ์ - int์์ String ๋ณํํ ๋ ๋ฉ๋ชจ๋ฆฌ ์ฌ์ฉํ๋ ๊ฒ์ ๋ฌธ์ ์ด๋ค. - ๊ทธ๋์ int๋ฅผ String์ผ๋ก ๋ณํํ๊ธฐ ๋ณด๋ค๋ int๋ฅผ 10์ ๋ฐฐ์(100,1000....๋ฑ)์ผ๋ก ๋๋ ์ ์๋ฆฟ์๋ฅผ ๊ณ์ฐํด์ผํ๋ค. ํด๊ฒฐ import java.util.*; public class Main { public static void main(String args[]) { // ๋ฌธ์๋ฅผ ์ ๋ ฅ๋ฐ๋๋ค Scanner in= new Scanner(System.in); int N = in.nextInt(); int result = 0; ..