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Develop/์•Œ๊ณ ๋ฆฌ์ฆ˜26

[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์—ฐ์Šต๋ฌธ์ œ] ํ‘ธ๋“œ ํŒŒ์ดํŠธ ๋Œ€ํšŒ JAVA ํ’€์ด- ๋ ˆ๋ฒจ 1 ํ‘ธ๋“œ ํŒŒ์ดํŠธ ๋Œ€ํšŒ ๋ฌธ์ œ ์š”์•ฝ food ๋ฆฌ์ŠคํŠธ i ํ•ญ๋ชฉ / 2 ํ•œ ๊ฐ’๋งŒํผ i๋ฅผ ๋ฌธ์ž์—ด๋กœ ์ด์–ด๋ถ™์ด๊ณ  0์„ ๊ธฐ์ ์œผ๋กœ ๋‹ค์‹œ ๋ฐ˜๋Œ€๋กœ ๋ฌธ์ž์—ด์„ ์ด์–ด๋ถ™์—ฌ๋ผ. 0์„ ๊ธฐ์ ์œผ๋กœ ๋Œ€์นญ์ด ๋˜๊ฒŒ ๋งŒ๋“ค๋ฉด ๋œ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ ์ฒซ๋ฒˆ์งธ ์˜ˆ์—์„œ food[i] / 2 ํ•œ ๊ฐ’์„ ๋ณด๋ฉด food[1]์€ 1๋กœ 1์ด 1๋ฒˆ ๋ฐ˜๋ณต๋˜๊ณ  food[2]๋Š” 2๋ฒˆ, food[3]์€ 3๋ฒˆ ๋ฐ˜๋ณต๋œ๋‹ค. ๋”ฐ๋ผ์„œ '122333'์˜ ๋ฌธ์ž์—ด์ด ์™„์„ฑ๋˜๋Š” ๊ฒƒ. ์ด ๋ฌธ์ž์—ด๋“ค ๋’ค์— 0์„ ์ด์–ด๋ถ™์ด๊ณ  ๋ฐ˜๋Œ€๋กœ ์ด์–ด๋ถ™์ด๋ฉด '1223330333221'์ด ์™„์„ฑ๋œ๋‹ค. ํ‘ธ๋“œ ํŒŒ์ดํŠธ ๋Œ€ํšŒ JAVA ํ’€์ด class Solution { public String solution(int[] food) { String answer = "0"; for (int i = food.length - 1; i > .. 2022. 11. 30.
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์—ฐ์Šต๋ฌธ์ œ] ๊ธฐ์‚ฌ๋‹จ์›์˜ ๋ฌด๊ธฐ JAVA ํ’€์ด- ๋ ˆ๋ฒจ 1 ๊ธฐ์‚ฌ๋‹จ์›์˜ ๋ฌด๊ธฐ ๋ฌธ์ œ ์š”์•ฝ 1๋ฒˆ๋ถ€ํ„ฐ number๊นŒ์ง€์˜ ์•ฝ์ˆ˜์˜ ํ•ฉ์„ ๊ตฌํ•˜๋ผ. ๋‹ค๋งŒ ํ•œ ์ˆซ์ž์˜ ์•ฝ์ˆ˜ ๊ฐœ์ˆ˜๊ฐ€ limit ์ˆ˜๊ฐ€ ๋„˜์—ˆ์„ ๋•Œ๋Š” ์•ฝ์ˆ˜ ๋Œ€์‹  power๊ฐ’์„ ๋”ํ•œ๋‹ค. ์ค„์ค„์ด ๊ธธ๊ฒŒ ์“ฐ์—ฌ์žˆ์ง€๋งŒ ํ•œ์ค„์š”์•ฝ์ด ๊ฐ€๋Šฅํ•œ ๋ฌธ์ œ๋‹ค. ์ž…์ถœ๋ ฅ ์˜ˆ number๊ฐ€ 5๊ฐ€๋˜๋‹ˆ 1๋ถ€ํ„ฐ 5๊นŒ์ง€์˜ ์•ฝ์ˆ˜์˜ ๊ฐœ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. ๋ชจ๋‘ limit 3์„ ๋„˜์ง€ ์•Š๊ธฐ์— ํ•ด๋‹น ์ˆ˜๋“ค์˜ ํ•ฉ์ธ 10์ด ๋œ๋‹ค. number๊ฐ€ 10์ด๋˜๋‹ˆ 1๋ถ€ํ„ฐ 10๊นŒ์ง€์˜ ์•ฝ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. limit 3์ด๊ธฐ ๋•Œ๋ฌธ์—, 6, 8, 10๋ฒˆ์€ power๊ฐ’์ธ 2๋ฅผ ํ•ฉํ•ด ํ•ด๋‹น ์ˆ˜๋“ค์˜ ํ•ฉ์ธ 21์ด ๋œ๋‹ค. ๊ธฐ์‚ฌ๋‹จ์›์˜ ๋ฌด๊ธฐ JAVA ํ’€์ด class Solution { public int solution(int number, int limit, int power) { int answer = 0; fo.. 2022. 11. 23.
[BaekJoon-11021] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 11021๋ฒˆ java ํ’€์ด 11021๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ๋ฐ˜๋ณต๋ฌธ : A+B - 7 ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 11021๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : ๋‘ ์ •์ˆ˜ A์™€ B๋ฅผ ์ž…๋ ฅ๋ฐ›์€ ๋‹ค์Œ, A+B๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ : ์ผ€์ด์Šค์˜ ๊ฐœ์ˆ˜ T๊ฐ€ ์ฃผ์–ด์ง. ์ถœ๋ ฅ :๊ฐ ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค๋งˆ๋‹ค "Case #x: "๋ฅผ ์ถœ๋ ฅํ•œ ๋‹ค์Œ, A+B๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค ๋ฒˆํ˜ธ๋Š” 1๋ถ€ํ„ฐ ์‹œ์ž‘ํ•œ๋‹ค. ์ถœ๋ ฅ ์˜ˆ์‹œ : 5 1 1์ž…๋ ฅ์‹œ 2 11021๋ฒˆ Java ํ’€์ด: import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args){ try { BufferedReader br = new BufferedReader(new Input.. 2022. 11. 2.
[BaekJoon-15552] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 15552๋ฒˆ java ํ’€์ด 15552๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ๋ฐ˜๋ณต๋ฌธ : ํ•ฉ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 15552๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : BufferedReader๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ A+B๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑ ํ•˜์‹œ์˜ค. ์ž…๋ ฅ : ํ…Œ์ŠคํŠธ์˜ ๊ฐœ์ˆ˜ T๊ฐ€ ์ฃผ์–ด์ง€๊ณ  ๊ฐ a,b๊ฐ€ ์ฃผ์–ด์ง. ์ถœ๋ ฅ :๊ฐ ํ…Œ์ŠคํŠธ๋งˆ๋‹ค A+B๋ฅผ ํ•œ์ค„์— ํ•˜๋‚˜์”ฉ ์ถœ๋ ฅํ•œ๋‹ค. ์ถœ๋ ฅ ์˜ˆ์‹œ : 5 1 1์ž…๋ ฅ์‹œ 2 15552๋ฒˆ Java ํ’€์ด: import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args){ try { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); Buffe.. 2022. 10. 27.
[BaekJoon-8393] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 8393๋ฒˆ java ํ’€์ด 8393๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ๋ฐ˜๋ณต๋ฌธ : ํ•ฉ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 8393๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : n์„ ์ž…๋ ฅ ๋ฐ›์€ ํ›„ 1๋ถ€ํ„ฐ n๊นŒ์ง€ ํ•ฉ์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑ ํ•˜์‹œ์˜ค. ์ž…๋ ฅ : n์ด ์ฃผ์–ด์ง. ์ถœ๋ ฅ : 1๋ถ€ํ„ฐ n๊นŒ์ง€ ํ•ฉ์„ ์ถœ๋ ฅํ•œ๋‹ค. ์ถœ๋ ฅ ์˜ˆ์‹œ : 3 ์ž…๋ ฅ์‹œ 6 8393๋ฒˆ Java ํ’€์ด: import java.util.*; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int sum = 0; for(int i=0; i < n; i++) { sum += (i+1); } System.out.println(sum); } } 2022. 10. 26.
[BaekJoon-10950] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 10950๋ฒˆ java ํ’€์ด 10950๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ๋ฐ˜๋ณต๋ฌธ : ๊ตฌ๊ตฌ๋‹จ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 10950๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : A+B์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑ ํ•˜์‹œ์˜ค. ์ž…๋ ฅ : ์ฒซ์งธ์ค„์— ํ…Œ์ŠคํŠธ ๊ฐœ์ˆ˜ T๊ฐ€ ์ฃผ์–ด์ง€๊ณ  ๊ฐ ํ…Œ์ŠคํŠธ๋Š” ํ•œ์ค„๋กœ ๊ฐ A์™€ B๊ฐ€ ์ฃผ์–ด์ง. ์ถœ๋ ฅ : ํ…Œ์ŠคํŠธ๋งˆ๋‹ค ๊ฐ A+B๋ฅผ ์ถœ๋ ฅ. ์ถœ๋ ฅ ์˜ˆ์‹œ : 5 1 1 ์ž…๋ ฅ์‹œ 2 ๋ฐ˜๋ณต 5๋ฒˆ 10950๋ฒˆ Java ํ’€์ด: import java.util.*; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int t = sc.nextInt(); for(int i=0; i < t; i++) { int a = sc.nextInt(); int b = sc.nex.. 2022. 10. 26.
[BaekJoon-2739] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2739๋ฒˆ java ํ’€์ด 2739๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ๋ฐ˜๋ณต๋ฌธ : ๊ตฌ๊ตฌ๋‹จ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2739๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : ๊ตฌ๊ตฌ๋‹จ ๋‹จN์„ ์ž…๋ ฅ ๋ฐ›์„ ํ›„ N๋‹จ์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑ ํ•˜์‹œ์˜ค. ์ž…๋ ฅ : ๊ตฌ๊ตฌ๋‹จ ๋‹จN์ด ์ฃผ์–ด์ง. ์ถœ๋ ฅ : N * 1๋ถ€ํ„ฐ 9๊นŒ์ง€ ๊ตฌ๊ตฌ๋‹จ N๋‹จ์„ ์ถœ๋ ฅํ•œ๋‹ค. ์ถœ๋ ฅ ์˜ˆ์‹œ : 2 ์ž…๋ ฅ์‹œ 2 * 1 = 2 ... 2 * 9 = 18 2739๋ฒˆ Java ํ’€์ด: import java.util.*; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); for(int i=1; i 2022. 10. 26.
[BaekJoon-2480] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2480๋ฒˆ java ํ’€์ด 2525๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ์กฐ๊ฑด๋ฌธ : ์ฃผ์‚ฌ์œ„ ์„ธ๊ฐœ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2480๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : 3๊ฐœ ์ฃผ์‚ฌ์œ„์˜ ๋‚˜์˜จ ๋ˆˆ์ด ์ฃผ์–ด์งˆ ๋•Œ, ์ƒ๊ธˆ์„ ๊ณ„์‚ฐํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑ ํ•˜์‹œ์˜ค. ์ž…๋ ฅ : 3๊ฐœ์˜ ๋ˆˆ์ด ๋นˆ์นธ์„ ์‚ฌ์ด์— ๋‘๊ณ  ๊ฐ๊ฐ ์ฃผ์–ด์ง. ์ถœ๋ ฅ : ์ฒซ์งธ ์ค„์— ๊ฒŒ์ž„์˜ ์ƒ๊ธˆ์„ ์ถœ๋ ฅ ํ•œ๋‹ค. ์ถœ๋ ฅ ์˜ˆ์‹œ : 3 3 6 ์ž…๋ ฅ์‹œ 1300 2 2 2 ์ž…๋ ฅ์‹œ 12000 6 2 5 ์ž…๋ ฅ์‹œ 600 2480๋ฒˆ Java ํ’€์ด: import java.util.*; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int r1 = sc.nextInt(); int r2 = sc.nextInt(); int r3.. 2022. 10. 17.
[BaekJoon-2525] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2525๋ฒˆ java ํ’€์ด 2525๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ์กฐ๊ฑด๋ฌธ : ์˜ค๋ธ์‹œ๊ณ„ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2525๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : ์˜ค๋ธ์‹œ๊ณ„ ์‹œ์ž‘ ์‹œ๊ฐ„์ด ์ฃผ์–ด์กŒ์„ ๋•Œ , ์˜ค๋ธ์ด ๋๋‚˜๋Š” ์‹œ๊ฐ„์„ ๋ถ„๋‹จ์œ„๋กœ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ : ์ฒซ ๋ฒˆ์งธ ์ค„์— ์˜ค๋ธ ์‹œ์ž‘ ์‹œ๊ฐ„์ด ์ฃผ์–ด์ง. ์ถœ๋ ฅ : ์˜ค๋ธ์‹œ๊ณ„ ๊ณ„์‚ฐ๋œ ์‹œ๊ฐ„ ์ถœ๋ ฅ. ์ถœ๋ ฅ ์˜ˆ์‹œ : 14 30 20 ์ž…๋ ฅ์‹œ 14 50 17 40 80 ์ž…๋ ฅ์‹œ 19 0 23 48 25 ์ž…๋ ฅ์‹œ 0 13 2525๋ฒˆ Java ํ’€์ด: import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int h = sc.nextInt(); int m = sc.n.. 2022. 10. 6.
[BaekJoon-14681] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 14681๋ฒˆ java ํ’€์ด 14681๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ์กฐ๊ฑด๋ฌธ : ์‚ฌ๋ถ„๋ฉด ๊ณ ๋ฅด๊ธฐ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 14681๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : ์ขŒํ‘œ๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ , ์‚ฌ๋ถ„๋ฉด์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ: ์ฒซ ๋ฒˆ์งธ ์ค„์— x์ขŒํ‘œ๊ฐ€, ๋‘๋ฒˆ์งธ ์ค„์— y์ขŒํ‘œ๊ฐ€ ์ฃผ์–ด์ง. ์ถœ๋ ฅ: ์ขŒํ‘œ์— ๋งž๋Š” ์‚ฌ๋ถ„๋ฉด ์ถœ๋ ฅ. ์ถœ๋ ฅ ์˜ˆ์‹œ : 12 5 ์ž…๋ ฅ์‹œ 1 9 -13์ž…๋ ฅ์‹œ 4 14681๋ฒˆ Java ํ’€์ด: import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int x = sc.nextInt(); int y = sc.nextInt(); int result; if ( x>0 && y>0 ) { .. 2022. 10. 5.
[BaekJoon-2753] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2753๋ฒˆ java ํ’€์ด 2753๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ์กฐ๊ฑด๋ฌธ : ์œค๋…„ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 2753๋ฒˆ java ํ’€์ด ๋ฌธ์ œ : ์œค๋…„ ๊ตฌ๋ถ„ ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ: ์ฒซ ๋ฒˆ์งธ ์ค„์— ์—ฐ๋„๊ฐ€ ์ฃผ์–ด์ง. ์ถœ๋ ฅ: ์œค๋…„์ด ๋งž์œผ๋ฉด 1, ์•„๋‹ˆ๋ฉด 0 ์ถœ๋ ฅ. ์ถœ๋ ฅ ์˜ˆ์‹œ : 2000 ์ž…๋ ฅ์‹œ 1 1999 ์ž…๋ ฅ์‹œ 0 2753๋ฒˆ Java ํ’€์ด: import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int year = sc.nextInt(); int result; if ( (year%4==0 && year%100!=0)||year%400==0 ) result = 1; else result =.. 2022. 10. 5.
[BaekJoon-9498] ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ 9498๋ฒˆ java ํ’€์ด 9498๋ฒˆ ๋ฐฑ์ค€ ๋‹จ๊ณ„๋ณ„ ์ฝ”๋”ฉ - ์กฐ๊ฑด๋ฌธ : ์‹œํ—˜ ์„ฑ์  ๋ฌธ์ œ : ์‹œํ—˜์ ์ˆ˜๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ , ์ ์ˆ˜์— ๋งž๋Š” ๋“ฑ๊ธ‰์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ: ์ฒซ ๋ฒˆ์งธ ์ค„์— ์‹œํ—˜ ์ ์ˆ˜๊ฐ€ ์ฃผ์–ด์ง. ์ถœ๋ ฅ: ์ ์ˆ˜์— ๋งž๋Š” ๋“ฑ๊ธ‰ ์ถœ๋ ฅ. ์ถœ๋ ฅ ์˜ˆ์‹œ : 100 ์ž…๋ ฅ์‹œ A 86 ์ž…๋ ฅ์‹œ B 51 ์ž…๋ ฅ์‹œ F 9498๋ฒˆ Java ํ’€์ด: import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner sc = new Scanner(System.in); int a = sc.nextInt(); String s; if ( a >= 90 ) { s = "A"; } else if (a > 79) { s = "B"; } else if (a > .. 2022. 10. 4.
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