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[BOJ/Step3] 2739 : ๊ตฌ๊ตฌ๋‹จ (Python)

www.acmicpc.net/problem/2739 2739๋ฒˆ: ๊ตฌ๊ตฌ๋‹จ N์„ ์ž…๋ ฅ๋ฐ›์€ ๋’ค, ๊ตฌ๊ตฌ๋‹จ N๋‹จ์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ถœ๋ ฅ ํ˜•์‹์— ๋งž์ถฐ์„œ ์ถœ๋ ฅํ•˜๋ฉด ๋œ๋‹ค. www.acmicpc.net ๋ฌธ์ œ N์„ ์ž…๋ ฅ๋ฐ›์€ ๋’ค, ๊ตฌ๊ตฌ๋‹จ N๋‹จ์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ถœ๋ ฅ ํ˜•์‹์— ๋งž์ถฐ์„œ ์ถœ๋ ฅํ•˜๋ฉด ๋œ๋‹ค. ์ž…๋ ฅ ์ฒซ์งธ ์ค„์— N์ด ์ฃผ์–ด์ง„๋‹ค. N์€ 1๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™๊ณ , 9๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™๋‹ค. ์ถœ๋ ฅ ์ถœ๋ ฅํ˜•์‹๊ณผ ๊ฐ™๊ฒŒ N*1๋ถ€ํ„ฐ N*9๊นŒ์ง€ ์ถœ๋ ฅํ•œ๋‹ค. ์˜ˆ์ œ ์ž…๋ ฅ 2 ์˜ˆ์ œ ์ถœ๋ ฅ 2 * 1 = 2 2 * 2 = 4 2 * 3 = 6 2 * 4 = 8 2 * 5 = 10 2 * 6 = 12 2 * 7 = 14 2 * 8 = 16 2 * 9 = 18 ํ’€์ด # 2739.py n = int(input()) for i in ra..

[BOJ/Step3] 2739 : ๊ตฌ๊ตฌ๋‹จ (JAVA)

www.acmicpc.net/problem/2739 2739๋ฒˆ: ๊ตฌ๊ตฌ๋‹จ N์„ ์ž…๋ ฅ๋ฐ›์€ ๋’ค, ๊ตฌ๊ตฌ๋‹จ N๋‹จ์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ถœ๋ ฅ ํ˜•์‹์— ๋งž์ถฐ์„œ ์ถœ๋ ฅํ•˜๋ฉด ๋œ๋‹ค. www.acmicpc.net ๋ฌธ์ œ N์„ ์ž…๋ ฅ๋ฐ›์€ ๋’ค, ๊ตฌ๊ตฌ๋‹จ N๋‹จ์„ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์ถœ๋ ฅ ํ˜•์‹์— ๋งž์ถฐ์„œ ์ถœ๋ ฅํ•˜๋ฉด ๋œ๋‹ค. ์ž…๋ ฅ ์ฒซ์งธ ์ค„์— N์ด ์ฃผ์–ด์ง„๋‹ค. N์€ 1๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™๊ณ , 9๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™๋‹ค. ์ถœ๋ ฅ ์ถœ๋ ฅํ˜•์‹๊ณผ ๊ฐ™๊ฒŒ N1๋ถ€ํ„ฐ N9๊นŒ์ง€ ์ถœ๋ ฅํ•œ๋‹ค. ์˜ˆ์ œ ์ž…๋ ฅ 1 2 ์˜ˆ์ œ ์ถœ๋ ฅ 1 2 * 1 = 2 2 * 2 = 4 2 * 3 = 6 2 * 4 = 8 2 * 5 = 10 2 * 6 = 12 2 * 7 = 14 2 * 8 = 16 2 * 9 = 18 ํ’€์ด import java.util.Scanner; public cla..