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IT Blog418

[Programmers] - ๋‘ ๊ฐœ ๋ฝ‘์•„์„œ ๋”ํ•˜๊ธฐ programmers.co.kr/learn/courses/30/lessons/68644 ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์—ฐ์Šต - ๋‘ ๊ฐœ ๋ฝ‘์•„์„œ ๋”ํ•˜๊ธฐ programmers.co.kr ์ฝ”๋“œ import java.util.*; class Solution { public static int[] solution(int[] numbers) { int numbersLen = numbers.length; Set hashSet = new HashSet(); for(int i=0; i 2020. 9. 20.
[SW Expert Academy] - (D2)1974. ์Šค๋„์ฟ  ๊ฒ€์ฆ https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5Psz16AYEDFAUq&categoryId=AV5Psz16AYEDFAUq&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.util.Scanner; public class Solution { static int map[][]; static boolean flag[]; /* ํ–‰(๊ฐ€๋กœ) ์ฒดํฌ */ public static boolean checkRow(int i) { flag = new boolean[9]; for(.. 2020. 8. 10.
[SW Expert Academy] - (D1)1933. ๊ฐ„๋‹จํ•œ N์˜ ์•ฝ์ˆ˜(Stream) https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5PhcWaAKIDFAUq&categoryId=AV5PhcWaAKIDFAUq&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.util.Scanner; import java.util.stream.IntStream; public class ๊ฐ„๋‹จํ•œN์˜์•ฝ์ˆ˜_1933 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int N .. 2020. 8. 9.
[SW Expert Academy] - (D1)2019. ๋”๋ธ”๋”๋ธ”(Stream) https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5QDEX6AqwDFAUq&categoryId=AV5QDEX6AqwDFAUq&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.util.Arrays; import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt.. 2020. 8. 8.
[SW Expert Academy] - (D1)2071. ํ‰๊ท ๊ฐ’ ๊ตฌํ•˜๊ธฐ(Stream) https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5QRnJqA5cDFAUq&categoryId=AV5QRnJqA5cDFAUq&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.util.Arrays; import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int T = scan.nextInt.. 2020. 8. 6.
[SW Expert Academy] - (D1)2072. ํ™€์ˆ˜๋งŒ ๋”ํ•˜๊ธฐ(Stream) https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5QSEhaA5sDFAUq&categoryId=AV5QSEhaA5sDFAUq&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com Q) 10๊ฐœ์˜ ์ˆ˜๋ฅผ ์ž…๋ ฅ๋ฐ›์•„ ๊ทธ ์ค‘์—์„œ ํ™€์ˆ˜๋งŒ ๋”ํ•œ ๊ฐ’์„ ์ถœ๋ ฅํ•˜๋ผ. ์ฝ”๋“œ import java.util.Arrays; import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner scan = new Sc.. 2020. 8. 5.
[๋ฐฑ์ค€] 2562๋ฒˆ: ์ตœ๋Œ“๊ฐ’(Stream) https://www.acmicpc.net/problem/2562 2562๋ฒˆ: ์ตœ๋Œ“๊ฐ’ 9๊ฐœ์˜ ์„œ๋กœ ๋‹ค๋ฅธ ์ž์—ฐ์ˆ˜๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ, ์ด๋“ค ์ค‘ ์ตœ๋Œ“๊ฐ’์„ ์ฐพ๊ณ  ๊ทธ ์ตœ๋Œ“๊ฐ’์ด ๋ช‡ ๋ฒˆ์งธ ์ˆ˜์ธ์ง€๋ฅผ ๊ตฌํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์„œ๋กœ ๋‹ค๋ฅธ 9๊ฐœ์˜ ์ž์—ฐ์ˆ˜ 3, 29, 38, 12, 57, 74, 40, 85, 61 ์ด ์ฃผ์–ด www.acmicpc.net ์ฝ”๋“œ import java.util.Arrays; import java.util.Scanner; import java.util.stream.IntStream; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int[] arr = new .. 2020. 8. 4.
[SW Expert Academy] - (D3)2817. ๋ถ€๋ถ„ ์ˆ˜์—ด์˜ ํ•ฉ https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV7IzvG6EksDFAXB&categoryId=AV7IzvG6EksDFAXB&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Solution { /* * N: ์ž์—ฐ์ˆ˜ ๊ฐฏ์ˆ˜ * K: ์ž์—ฐ์ˆ˜๋ฅผ.. 2020. 7. 19.
[SW Expert Academy] - (D3)4299. ํƒœํ˜์ด์˜ ์‚ฌ๋ž‘์€ ํƒ€์ด๋ฐ https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AWLv6mx6htoDFAVV&categoryId=AWLv6mx6htoDFAVV&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.util.Scanner; public class Solution { private static final int DAY_MINUTES = 1440; // ํ•˜๋ฃจ private static final int HOUR_MINUTES = 60; // ํ•œ์‹œ๊ฐ„ public static void main.. 2020. 7. 17.
[SW Expert Academy] - (D3)8931. ์ œ๋กœ(Stack) https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AW5jBWLq7jwDFATQ&categoryId=AW5jBWLq7jwDFATQ&categoryType=CODE SW Expert Academy SW ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์—ญ๋Ÿ‰ ๊ฐ•ํ™”์— ๋„์›€์ด ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ•™์Šต ์ปจํ…์ธ ๋ฅผ ํ™•์ธํ•˜์„ธ์š”! swexpertacademy.com ์ฝ”๋“œ import java.util.Scanner; import java.util.Stack; public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int t = scan.nextInt(.. 2020. 7. 12.
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