๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
๋ฐ˜์‘ํ˜•

Algorithm104

[๋ฐฑ์ค€ ์•Œ๊ณ ๋ฆฌ์ฆ˜] 2753๋ฒˆ - ์œค๋…„ 2. if๋ฌธ - ์œค๋…„ ๋ฌธ์ œ) ์—ฐ๋„๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ, ์œค๋…„์ด๋ฉด 1, ์•„๋‹ˆ๋ฉด 0์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. (์œค๋…„์€ ์—ฐ๋„๊ฐ€ 4์˜ ๋ฐฐ์ˆ˜์ด๋ฉด์„œ, 100์˜ ๋ฐฐ์ˆ˜๊ฐ€ ์•„๋‹ ๋•Œ ๋˜๋Š” 400์˜ ๋ฐฐ์ˆ˜์ผ ๋•Œ์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, 2012๋…„์€ 4์˜ ๋ฐฐ์ˆ˜์ด๋ฉด์„œ 100์˜ ๋ฐฐ์ˆ˜๊ฐ€ ์•„๋‹ˆ๋ผ์„œ ์œค๋…„์ด๋‹ค. 1900๋…„์€ 100์˜ ๋ฐฐ์ˆ˜์ด๊ณ  400์˜ ๋ฐฐ์ˆ˜๋Š” ์•„๋‹ˆ๊ธฐ ๋•Œ๋ฌธ์— ์œค๋…„์ด ์•„๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ, 2000๋…„์€ 400์˜ ๋ฐฐ์ˆ˜์ด๊ธฐ ๋•Œ๋ฌธ์— ์œค๋…„์ด๋‹ค.) ์ž…๋ ฅ ์ถœ๋ ฅ 2000 1 ์ž…๋ ฅ ์ถœ๋ ฅ 1999 0 import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int a; a = sc.next.. 2021. 1. 31.
[๋ฐฑ์ค€ ์•Œ๊ณ ๋ฆฌ์ฆ˜] 9498๋ฒˆ - ์‹œํ—˜ ์„ฑ์  2. if๋ฌธ - ์‹œํ—˜ ์„ฑ์  ๋ฌธ์ œ) ์‹œํ—˜ ์ ์ˆ˜๋ฅผ ์ž…๋ ฅ๋ฐ›์•„ 90 ~ 100์ ์€ A, 80 ~ 89์ ์€ B, 70 ~ 79์ ์€ C, 60 ~ 69์ ์€ D, ๋‚˜๋จธ์ง€ ์ ์ˆ˜๋Š” F๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ ์ถœ๋ ฅ 100 A import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int a; a = sc.nextInt(); switch (a / 10) { case 10: case 9: System.out.println("A"); break; case 8: System.out.println("B"); break; case 7: System.ou.. 2021. 1. 31.
[๋ฐฑ์ค€ ์•Œ๊ณ ๋ฆฌ์ฆ˜] 1330๋ฒˆ - ๋‘ ์ˆ˜ ๋น„๊ตํ•˜๊ธฐ 2. if๋ฌธ - ๋‘ ์ˆ˜ ๋น„๊ตํ•˜๊ธฐ ๋ฌธ์ œ) ๋‘ ์ •์ˆ˜ A์™€ B๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ, A์™€ B๋ฅผ ๋น„๊ตํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ ์ถœ๋ ฅ 1 2 ์ž…๋ ฅ ์ถœ๋ ฅ 5 5 == import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int a, b; a = sc.nextInt(); b = sc.nextInt(); if (a > b) System.out.println(">"); if (a < b) System.out.println(" 2021. 1. 31.
[๋ฐฑ์ค€ ์•Œ๊ณ ๋ฆฌ์ฆ˜] 2588๋ฒˆ - ๊ณฑ์…ˆ 1. ์ž…์ถœ๋ ฅ๊ณผ ์‚ฌ์น™์—ฐ์‚ฐ - ๊ณฑ์…ˆ ๋ฌธ์ œ) (์„ธ ์ž๋ฆฌ ์ˆ˜) × (์„ธ ์ž๋ฆฌ ์ˆ˜)๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ณผ์ •์„ ํ†ตํ•˜์—ฌ ์ด๋ฃจ์–ด์ง„๋‹ค. (1)๊ณผ (2)์œ„์น˜์— ๋“ค์–ด๊ฐˆ ์„ธ ์ž๋ฆฌ ์ž์—ฐ์ˆ˜๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ (3), (4), (5), (6)์œ„์น˜์— ๋“ค์–ด๊ฐˆ ๊ฐ’์„ ๊ตฌํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ ์ถœ๋ ฅ 472 385 2360 3776 1416 181720 import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int a, b; a = sc.nextInt(); b = sc.nextInt(); System.out.println(a * (b % 10)); System.out.prin.. 2021. 1. 30.
[๋ฐฑ์ค€ ์•Œ๊ณ ๋ฆฌ์ฆ˜] 10430๋ฒˆ - ๋‚˜๋จธ์ง€ 1. ์ž…์ถœ๋ ฅ๊ณผ ์‚ฌ์น™์—ฐ์‚ฐ - ๋‚˜๋จธ์ง€ ๋ฌธ์ œ) (A+B)%C๋Š” ((A%C) + (B%C))%C ์™€ ๊ฐ™์„๊นŒ? (A×B)%C๋Š” ((A%C) × (B%C))%C ์™€ ๊ฐ™์„๊นŒ? ์„ธ ์ˆ˜ A, B, C๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ, ์œ„์˜ ๋„ค ๊ฐ€์ง€ ๊ฐ’์„ ๊ตฌํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ ์ถœ๋ ฅ 5 8 4 1 1 0 0 import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int a, b, c; a = sc.nextInt(); b = sc.nextInt(); c = sc.nextInt(); System.out.println((a + b) % c); System.out.pri.. 2021. 1. 30.
[๋ฐฑ์ค€ ์•Œ๊ณ ๋ฆฌ์ฆ˜] 10869๋ฒˆ - ์‚ฌ์น™์—ฐ์‚ฐ 1. ์ž…์ถœ๋ ฅ๊ณผ ์‚ฌ์น™์—ฐ์‚ฐ - ์‚ฌ์น™์—ฐ์‚ฐ ๋ฌธ์ œ) ๋‘ ์ž์—ฐ์ˆ˜ A์™€ B๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ์ด๋•Œ, A+B, A-B, A*B, A/B(๋ชซ), A%B(๋‚˜๋จธ์ง€)๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ž…๋ ฅ ์ถœ๋ ฅ 7 3 10 4 21 2 1 import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int a, b; a = sc.nextInt(); b = sc.nextInt(); System.out.println(a + b); System.out.println(a - b); System.out.println(a * b); System.out.println(a / b); S.. 2021. 1. 30.
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