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๐Ÿ’ฏ Algorithm and coding test problem-solving ๐Ÿ“

๐Ÿš€ Introduction

Welcome to our Awesome Algorithm Study repository! This is a collaborative space where we solve algorithmic problems, enhance our understanding of data structures, and grow together as programmers.

๐ŸŒŸ Participants

๊น€๋‹คํ˜„ ์˜ค์˜ˆ์„ฑ ์ •๋ฏผ ๋ฐ•์ค€ํ˜• ํ•œ์˜์ง„ ์ „์Šน์ง„ ๊น€๊ฒฝ๋ฏผ(kyeonkim)
Python Python C++ C++/JAVA Python Python Python


### ๐ŸŽฏ Study Objectives

The primary goals of this study include:

  • Improving understanding of algorithms and data structures.
  • Enhancing programming skills through weekly problem-solving.
  • Providing constructive feedback through code reviews.

โš™๏ธ Commit message Rule

commit ๋ฉ”์„ธ์ง€: [๋ฌธ์ œ์ถœ์ฒ˜] ๋ฌธ์ œ์ด๋ฆ„ / ๋‚œ์ด๋„ / ๋ฌธ์ œ ๊ฑธ๋ฆฐ์‹œ๊ฐ„

๐Ÿ“… Weekly Schedule

We select 4 problems based on https://github.com/encrypted-def/basic-algo-lecture/blob/master/workbook.md and meet with every Sunday 10 p.m on discord channel.

๐Ÿ“š Problem Sources

We explore problems from various online judges. You can find the list of problems and their sources in each week's README.

๐ŸŽฏ Update

๋‹คํ˜„ > ์˜์ง„ > ์˜ˆ์„ฑ > ์ •๋ฏผ > ์ค€ํ˜• > ์Šน์ง„ > ๊ฒฝ๋ฏผ


์ฃผ์ฐจ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ธฐ์ถœ ์œ ํ˜• ๋ฌธ์ œ๋ช… ๋‚œ์ด๋„ ํ’€์ด ์—ฌ๋ถ€ readme
Week1 BFS / DFS Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ํ† ๋งˆํ† 
์œ ๊ธฐ๋† ๋ฐฐ์ถ”
๋ฒฝ ๋ถ€์ˆ˜๊ณ  ์ด๋™ํ•˜๊ธฐ
๋น™์‚ฐ



๋‹คํ˜„
Week2 ์žฌ๊ท€ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ์ข…์ด์˜ ๊ฐœ์ˆ˜
์ฟผ๋“œํŠธ๋ฆฌ
๋ณ„ ์ฐ๊ธฐ - 10
Philosopherโ€™s Walk



์˜์ง„
Week3 ๋ฐฑํŠธ๋ž˜ํ‚น Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) N๊ณผ M (12)
์†Œ๋ฌธ๋‚œ ์น ๊ณต์ฃผ
๊ณ„๋ž€์œผ๋กœ ๊ณ„๋ž€์น˜๊ธฐ
๋น„์ˆ



์˜ˆ์„ฑ
Week4 ์‹œ๋ฎฌ๋ ˆ์ด์…˜ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ๋งˆ๋ฒ•์‚ฌ ์ƒ์–ด์™€ ๋น„๋ฐ”๋ผ๊ธฐ
๋งˆ๋ฒ•์‚ฌ ์ƒ์–ด์™€ ํŒŒ์ด์–ด๋ณผ
๋ฃจ๋Œํ”„์˜ ๋ฐ˜๋ž€
์ƒ์–ด ์ดˆ๋“ฑํ•™๊ต



์ •๋ฏผ
Week5 ์ •๋ ฌ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ๋จน์„๊ฒƒ์ธ๊ฐ€ ๋จนํž๊ฒƒ์ธ๊ฐ€
๋นˆ๋„ ์ •๋ ฌ
๋‹จ์–ด ์ •๋ ฌ
์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ



๋™ํ›ˆ
Week6 ๋‹ค์ด๋‚ด๋ฏน ํ”„๋กœ๊ทธ๋ž˜๋ฐ(DP) Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) 2xN ํƒ€์ผ๋ง
RGB ๊ฑฐ๋ฆฌ
ํŒฐ๋ฆฐ๋“œ๋กฌ?
์ƒ‰์ƒํ™˜



์ค€ํ˜•
Week7 ๊ทธ๋ฆฌ๋”” Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ์ฃผ์‹
์นด๋“œํ•ฉ์ฒด ๋†€์ด
์„ ๊ธ‹๊ธฐ
๊ณต์ฃผ๋‹˜์˜ ์ •์›



์Šน์ง„
Week8 ์ด๋ถ„ํƒ์ƒ‰ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ์ˆซ์ž ์นด๋“œ2
๋‚˜๋ฌด์ž๋ฅด๊ธฐ
์˜ˆ์‚ฐ
๊ณต์œ ๊ธฐ ์„ค์น˜



๊ฒฝ๋ฏผ
Week9 ํˆฌํฌ์ธํ„ฐ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ๊ฐ€์žฅ ๊ธด ์ง์ˆ˜ ์—ฐ์†ํ•œ ๋ถ€๋ถ„ ์ˆ˜์—ด(small)
์ˆ˜๋“ค์˜ ํ•ฉ 2
์†Œ์ˆ˜์˜ ์—ฐ์†ํ•ฉ
๋ถ€๋ถ„ํ•ฉ



๋‹คํ˜„
Week10 ์ด์ง„ ๊ฒ€์ƒ‰ ํŠธ๋ฆฌ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ๋ณด์„ ๋„๋‘‘
๋ฌธ์ œ ์ถ”์ฒœ ์‹œ์Šคํ…œ Version 1
ํ™์ต ํˆฌ์–ด๋ฆฌ์ŠคํŠธ
๋ฌธ์ œ ์ถ”์ฒœ ์‹œ์Šคํ…œ Version 2



์˜์ง„
Week11 ๊ทธ๋ž˜ํ”„ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ๊ฒฝ๋กœ ์ฐพ๊ธฐ
์ด๋ถ„ ๊ทธ๋ž˜ํ”„
๊ตฌ์Šฌ ์ฐพ๊ธฐ
๊ฑฐ์ง“๋ง



์˜ˆ์„ฑ
Week12 ํŠธ๋ฆฌ Data Structre (์ž๋ฃŒ๊ตฌ์กฐ) ํŠธ๋ฆฌ ์ˆœํšŒ
ํŠธ๋ฆฌ
ํŠธ๋ฆฌ์˜ ์ง€๋ฆ„
ํŠธ๋ฆฌ์˜ ๋†’์ด์™€ ๋„ˆ๋น„



์ •๋ฏผ
Week13 ์œ„์ƒ ์ •๋ ฌ topological sorting(์œ„์ƒ ์ •๋ ฌ) ์ž‘์—…
์ค„ ์„ธ์šฐ๊ธฐ
์Œ์•…ํ”„๋กœ๊ทธ๋žจ
์žฅ๋‚œ๊ฐ ์กฐ๋ฆฝ



์ค€ํ˜•
Week14 ์ตœ์†Œ ์‹ ์žฅํŠธ๋ฆฌ Minimum Spanning Tree(์ตœ์†Œ ์‹ ์žฅํŠธ๋ฆฌ) ์ƒ๊ทผ์ด์˜ ์—ฌํ–‰
ํ–‰์„ฑ ์—ฐ๊ฒฐ
๋„์‹œ ๋ถ„ํ•  ๊ณ„ํš
ํ•™๊ต ํƒ๋ฐฉํ•˜๊ธฐ



์Šน์ง„

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