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[java ๋ฐฑ์ค€]์‹ค๋ฒ„ 5/ 11650๋ฒˆ ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ https://www.acmicpc.net/problem/11650 11650๋ฒˆ: ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ ์ฒซ์งธ ์ค„์— ์ ์˜ ๊ฐœ์ˆ˜ N (1 ≤ N ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์—๋Š” i๋ฒˆ์ ์˜ ์œ„์น˜ xi์™€ yi๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (-100,000 ≤ xi, yi ≤ 100,000) ์ขŒํ‘œ๋Š” ํ•ญ์ƒ ์ •์ˆ˜์ด๊ณ , ์œ„์น˜๊ฐ€ ๊ฐ™์€ ๋‘ ์ ์€ ์—†๋‹ค. www.acmicpc.net 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 import java.io.BufferedReader; import java.io.IOException; import java.io.In.. 2021. 8. 18.
[java ๋ฐฑ์ค€] ์‹ค๋ฒ„ 5/ 11651๋ฒˆ ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ 2 https://www.acmicpc.net/problem/11651 11651๋ฒˆ: ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ 2 ์ฒซ์งธ ์ค„์— ์ ์˜ ๊ฐœ์ˆ˜ N (1 ≤ N ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์—๋Š” i๋ฒˆ์ ์˜ ์œ„์น˜ xi์™€ yi๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (-100,000 ≤ xi, yi ≤ 100,000) ์ขŒํ‘œ๋Š” ํ•ญ์ƒ ์ •์ˆ˜์ด๊ณ , ์œ„์น˜๊ฐ€ ๊ฐ™์€ ๋‘ ์ ์€ ์—†๋‹ค. www.acmicpc.net 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; public.. 2021. 8. 17.
[์ •๋ ฌ ๊ฐœ๋…] ๋ฒ„๋ธ”์ •๋ ฌ/์„ ํƒ์ •๋ ฌ/์‚ฝ์ž…์ •๋ ฌ/ํ•ฉ๋ณ‘์ •๋ ฌ https://www.youtube.com/playlist?list=PLDV-cCQnUlIZXLSUeF2Fav3_7X7ku-F63 ์ฝ”๋”ฉํ…Œ์ŠคํŠธ Sorting Bubble Sort https://youtu.be/s3FdRKHTp_o Insertion Sort https://youtu.be/TyF-UHnoqw4 Selection Sort https://youtu.be/AWEevNhJVjs Merge Sort https://youtu.be/... www.youtube.com ์ฝ”๋“œ์—†๋Š” ํ”„๋กœ๊ทธ๋ž˜๋ฐ๋‹˜์˜ Sorting ์žฌ์ƒ๋ชฉ๋ก์„ ๋ณด๋ฉฐ ๊ณต๋ถ€ํ•œ ๋‚ด์šฉ์„ ๊ธฐ๋กํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ฐ„๋‹จํ•˜์ง€๋งŒ ๋Š๋ฆฐ ๋ณต์žกํ•˜์ง€๋งŒ ๋น ๋ฅธ ๋ฒ„๋ธ”์ •๋ ฌ, ์‚ฝ์ž…์ •๋ ฌ, ์„ ํƒ์ •๋ ฌ ํ€ต์ •๋ ฌ, ํ•ฉ๋ณ‘์ •๋ ฌ, ํž™์ •๋ ฌ ์‹œ๊ฐ„๋ณต์žก๋„๊ฐ€ O(N)์ธ ์•Œ๊ณ ๋ฆฌ์ฆ˜ = radix์ •๋ ฌ(๊ธฐ์ˆ˜์ •๋ ฌ) ๋ฒ„๋ธ”์ •๋ ฌ.. 2021. 8. 17.
[java ๋ฐฑ์ค€] ์‹ค๋ฒ„ 4/ 10825๋ฒˆ ๊ตญ์˜์ˆ˜ https://www.acmicpc.net/problem/10825 10825๋ฒˆ: ๊ตญ์˜์ˆ˜ ์ฒซ์งธ ์ค„์— ๋„ํ˜„์ด๋„ค ๋ฐ˜์˜ ํ•™์ƒ์˜ ์ˆ˜ N (1 ≤ N ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ ํ•œ ์ค„์— ํ•˜๋‚˜์”ฉ ๊ฐ ํ•™์ƒ์˜ ์ด๋ฆ„, ๊ตญ์–ด, ์˜์–ด, ์ˆ˜ํ•™ ์ ์ˆ˜๊ฐ€ ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„ํ•ด ์ฃผ์–ด์ง„๋‹ค. ์ ์ˆ˜๋Š” 1๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™๊ณ , 1 www.acmicpc.net 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; pu.. 2021. 8. 17.
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