[๋ฐฑ์ค€] 1010.๋‹ค๋ฆฌ ๋†“๊ธฐ/Python - Silver5
ยท
Coding Test/Algorithms
โ“๋ฌธ์ œhttps://www.acmicpc.net/problem/1010์„ฑ๋Šฅ ์š”์•ฝ์ฝ”๋“œ1 โžก๏ธ ์–ธ์–ด:PyPy3, ๋ฉ”๋ชจ๋ฆฌ: 109240 KB, ์‹œ๊ฐ„: 96 ms์ฝ”๋“œ2 โžก๏ธ ์–ธ์–ด:PyPy3, ๋ฉ”๋ชจ๋ฆฌ: 109240 KB, ์‹œ๊ฐ„: 96 ms์ฝ”๋“œ1 โžก๏ธ ์–ธ์–ด:Python3, ๋ฉ”๋ชจ๋ฆฌ: 31120 KB, ์‹œ๊ฐ„: 32 ms ์ฝ”๋“œ2 โžก๏ธ ์–ธ์–ด:Python3, ๋ฉ”๋ชจ๋ฆฌ: 31120 KB, ์‹œ๊ฐ„: 32 ms ๋ฌธ์ œ ์„ค๋ช…์žฌ์›์ด๋Š” ํ•œ ๋„์‹œ์˜ ์‹œ์žฅ์ด ๋˜์—ˆ๋‹ค. ์ด ๋„์‹œ์—๋Š” ๋„์‹œ๋ฅผ ๋™์ชฝ๊ณผ ์„œ์ชฝ์œผ๋กœ ๋‚˜๋ˆ„๋Š” ํฐ ์ผ์ง์„  ๋ชจ์–‘์˜ ๊ฐ•์ด ํ๋ฅด๊ณ  ์žˆ๋‹ค. ํ•˜์ง€๋งŒ ์žฌ์›์ด๋Š” ๋‹ค๋ฆฌ๊ฐ€ ์—†์–ด์„œ ์‹œ๋ฏผ๋“ค์ด ๊ฐ•์„ ๊ฑด๋„ˆ๋Š”๋ฐ ํฐ ๋ถˆํŽธ์„ ๊ฒช๊ณ  ์žˆ์Œ์„ ์•Œ๊ณ  ๋‹ค๋ฆฌ๋ฅผ ์ง“๊ธฐ๋กœ ๊ฒฐ์‹ฌํ•˜์˜€๋‹ค. ๊ฐ• ์ฃผ๋ณ€์—์„œ ๋‹ค๋ฆฌ๋ฅผ ์ง“๊ธฐ์— ์ ํ•ฉํ•œ ๊ณณ์„ ์‚ฌ์ดํŠธ๋ผ๊ณ  ํ•œ๋‹ค. ์žฌ์›์ด๋Š” ๊ฐ• ์ฃผ๋ณ€์„ ๋ฉด๋ฐ€ํžˆ ์กฐ์‚ฌํ•ด ..
[k8s] Kubernetes Scheduling
ยท
Cloud/Kubernetes
https://kubernetes.io/docs/concepts/scheduling-eviction/kube-scheduler/ Kubernetes SchedulerIn Kubernetes, scheduling refers to making sure that Pods are matched to Nodes so that Kubelet can run them. Scheduling overview A scheduler watches for newly created Pods that have no Node assigned. For every Pod that the scheduler discovers, the schedulekubernetes.io์Šค์ผ€์ค„๋ง์ด๋ž€?์ฟ ๋ฒ„๋„คํ‹ฐ์Šค์—์„œ ์Šค์ผ€์ค„๋ง์ด๋ž€ kubelet์œผ๋กœ ์‹คํ–‰ํ•  ์ˆ˜..
[Algorithms] ์ตœ์†Œ ์‹ ์žฅ ํŠธ๋ฆฌ (Minimum Spanning Tree)
ยท
Computer Science/Algorithms
https://www.geeksforgeeks.org/what-is-minimum-spanning-tree-mst/ What is Minimum Spanning Tree (MST) - GeeksforGeeksA Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.www.geeksforgeeks.org์‹ ์žฅ ํŠธ๋ฆฌ(Spanning Tree)๋ž€?์‹ ์žฅ ํŠธ๋ฆฌ๋Š” ๋ชจ๋“  ๋…ธ๋“œ๊ฐ€ ํŠธ๋ฆฌ์˜ ์ผ๋ถ€์ธ ๋น„์ˆœํ™˜ ํŠธ๋ฆฌ..
[๋ฐฑ์ค€] 1931.ํšŒ์˜์‹ค ๋ฐฐ์ •/Python - Silver1
ยท
Coding Test/Algorithms
โ“๋ฌธ์ œhttps://www.acmicpc.net/problem/1931์„ฑ๋Šฅ ์š”์•ฝ๋ฉ”๋ชจ๋ฆฌ: 126920 KB, ์‹œ๊ฐ„: 348 ms ๋ฌธ์ œ ์„ค๋ช…ํ•œ ๊ฐœ์˜ ํšŒ์˜์‹ค์ด ์žˆ๋Š”๋ฐ ์ด๋ฅผ ์‚ฌ์šฉํ•˜๊ณ ์ž ํ•˜๋Š” N๊ฐœ์˜ ํšŒ์˜์— ๋Œ€ํ•˜์—ฌ ํšŒ์˜์‹ค ์‚ฌ์šฉํ‘œ๋ฅผ ๋งŒ๋“ค๋ ค๊ณ  ํ•œ๋‹ค. ๊ฐ ํšŒ์˜ I์— ๋Œ€ํ•ด ์‹œ์ž‘์‹œ๊ฐ„๊ณผ ๋๋‚˜๋Š” ์‹œ๊ฐ„์ด ์ฃผ์–ด์ ธ ์žˆ๊ณ , ๊ฐ ํšŒ์˜๊ฐ€ ๊ฒน์น˜์ง€ ์•Š๊ฒŒ ํ•˜๋ฉด์„œ ํšŒ์˜์‹ค์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ํšŒ์˜์˜ ์ตœ๋Œ€ ๊ฐœ์ˆ˜๋ฅผ ์ฐพ์•„๋ณด์ž. ๋‹จ, ํšŒ์˜๋Š” ํ•œ๋ฒˆ ์‹œ์ž‘ํ•˜๋ฉด ์ค‘๊ฐ„์— ์ค‘๋‹จ๋  ์ˆ˜ ์—†์œผ๋ฉฐ ํ•œ ํšŒ์˜๊ฐ€ ๋๋‚˜๋Š” ๊ฒƒ๊ณผ ๋™์‹œ์— ๋‹ค์Œ ํšŒ์˜๊ฐ€ ์‹œ์ž‘๋  ์ˆ˜ ์žˆ๋‹ค. ํšŒ์˜์˜ ์‹œ์ž‘์‹œ๊ฐ„๊ณผ ๋๋‚˜๋Š” ์‹œ๊ฐ„์ด ๊ฐ™์„ ์ˆ˜๋„ ์žˆ๋‹ค. ์ด ๊ฒฝ์šฐ์—๋Š” ์‹œ์ž‘ํ•˜์ž๋งˆ์ž ๋๋‚˜๋Š” ๊ฒƒ์œผ๋กœ ์ƒ๊ฐํ•˜๋ฉด ๋œ๋‹ค.โœ๐Ÿปํ’€์ดํ•œ ํšŒ์˜์‹ค์„ ์ตœ๋Œ€ํ•œ ๊ฒน์น˜์ง€ ์•Š๊ฒŒ ๋งŽ์ด ์‚ฌ์šฉํ•˜๊ณ ์ž ํ•œ๋‹ค. ์ตœ๋Œ€ํ•œ ๋งŽ์ด ์‚ฌ์šฉํ•ด์•ผ ํ•œ๋‹ค๋ฉด ์šฐ์„  ๋๋‚˜๋Š” ์‹œ๊ฐ„์ด ๋น ..
[๋ฐฑ์ค€] 1541.์žƒ์–ด๋ฒ„๋ฆฐ ๊ด„ํ˜ธ/Python - Silver2
ยท
Coding Test/Algorithms
โ“๋ฌธ์ œ์„ฑ๋Šฅ ์š”์•ฝ๋ฉ”๋ชจ๋ฆฌ: 108080 KB, ์‹œ๊ฐ„: 92 ms  ๋ฌธ์ œ ์„ค๋ช…https://www.acmicpc.net/problem/1541์„ธ์ค€์ด๋Š” ์–‘์ˆ˜์™€ +, -, ๊ทธ๋ฆฌ๊ณ  ๊ด„ํ˜ธ๋ฅผ ๊ฐ€์ง€๊ณ  ์‹์„ ๋งŒ๋“ค์—ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๋‚˜์„œ ์„ธ์ค€์ด๋Š” ๊ด„ํ˜ธ๋ฅผ ๋ชจ๋‘ ์ง€์› ๋‹ค.๊ทธ๋ฆฌ๊ณ  ๋‚˜์„œ ์„ธ์ค€์ด๋Š” ๊ด„ํ˜ธ๋ฅผ ์ ์ ˆํžˆ ์ณ์„œ ์ด ์‹์˜ ๊ฐ’์„ ์ตœ์†Œ๋กœ ๋งŒ๋“ค๋ ค๊ณ  ํ•œ๋‹ค.๊ด„ํ˜ธ๋ฅผ ์ ์ ˆํžˆ ์ณ์„œ ์ด ์‹์˜ ๊ฐ’์„ ์ตœ์†Œ๋กœ ๋งŒ๋“œ๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค.โœ๐Ÿปํ’€์ด์ฃผ์–ด์ง€๋Š” ๋ฌธ์ž์—ด์€ +, -, ์–‘์ˆ˜๋กœ๋งŒ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค. ์ฃผ์–ด์ง„ ์‹์—์„œ ์–ด๋А ๋ถ€๋ถ„์— ๊ด„ํ˜ธ๋ฅผ ์น˜๋ƒ์— ๋”ฐ๋ผ ๊ฐ’์€ ๋‹ฌ๋ผ์ง„๋‹ค.'-'๊ฐ€ ํ•˜๋‚˜๋งŒ ์ฃผ์–ด์ง€๊ณ  ๊ทธ ๋’ค๊ฐ€ ๋‹ค '+'๋ผ๋ฉด ๋‹น์—ฐํžˆ ๋’ค์˜ ์ˆ˜๋ฅผ ๋ชจ๋‘ ๋นผ์ฃผ๋ฉด ๋œ๋‹ค๊ณ  ์ƒ๊ฐํ•  ๊ฒƒ์ด๋‹ค. ๊ทธ๋Ÿฐ๋ฐ '-'๊ฐ€ ๋‘ ๊ฐœ๊ฐ€ ์ฃผ์–ด์ง„๋‹ค๋ฉด?์ด ๋•Œ๋„ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ '-' ๋’ค ์ˆซ์ž๋“ค๋งŒ ๋ชจ๋‘ ๋”ํ•ด์ฃผ๋ฉด ๋œ๋‹ค. ์•„..
[ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค] N์œผ๋กœ ํ‘œํ˜„/Python - Lv.3
ยท
Coding Test/Algorithms
โ“๋ฌธ์ œhttps://school.programmers.co.kr/learn/courses/30/lessons/42895 ํ”„๋กœ๊ทธ๋ž˜๋จธ์ŠคSW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„programmers.co.kr์„ฑ๋Šฅ ์š”์•ฝ๋ฉ”๋ชจ๋ฆฌ: 11 MB, ์‹œ๊ฐ„: 19.30 ms  ๋ฌธ์ œ ์„ค๋ช…์•„๋ž˜์™€ ๊ฐ™์ด 5์™€ ์‚ฌ์น™์—ฐ์‚ฐ๋งŒ์œผ๋กœ 12๋ฅผ ํ‘œํ˜„ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.12 = 5 + 5 + (5 / 5) + (5 / 5)12 = 55 / 5 + 5 / 512 = (55 + 5) / 55๋ฅผ ์‚ฌ์šฉํ•œ ํšŸ์ˆ˜๋Š” ๊ฐ๊ฐ 6,5,4 ์ž…๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ด์ค‘ ๊ฐ€์žฅ ์ž‘์€ ๊ฒฝ์šฐ๋Š” 4์ž…๋‹ˆ๋‹ค.์ด์ฒ˜๋Ÿผ ์ˆซ์ž N๊ณผ number๊ฐ€ ์ฃผ์–ด์งˆ ๋•Œ, N๊ณผ ์‚ฌ์น™์—ฐ์‚ฐ๋งŒ ์‚ฌ์šฉํ•ด์„œ ํ‘œํ˜„ ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ• ์ค‘ N ์‚ฌ์šฉํšŸ์ˆ˜์˜ ์ตœ์†Ÿ๊ฐ’์„..