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VUNO Inc. Software Engineer, Problem Solver

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GraphQL Server (๋น ๋ฅด๊ฒŒ) ๋งŒ๋“ค๊ธฐ-4
February 21, 2019 - 5 min read

์ตœ๊ทผ ์‚ฌ์ด๋“œ ํ”„๋กœ์ ํŠธ์˜ api๋ฅผ GraphQL๋กœ ์ž‘์„ฑํ–ˆ๋Š”๋ฐ, ์ด๋ฅผ ๊ณต์œ ํ•˜๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. ์ด ํฌ์ŠคํŠธ์—์„œ๋Š” Docker + Postgresql + GraphQL + Prisma + Nexus + Typescript๋ฅผ ์ด์šฉํ•ด ์ธ์ฆ์ฒ˜๋ฆฌ๋ฅผ ํฌํ•จํ•œ APIโ€ฆ

GraphQL Server (๋น ๋ฅด๊ฒŒ) ๋งŒ๋“ค๊ธฐ-3
February 21, 2019 - 4 min read

์ตœ๊ทผ ์‚ฌ์ด๋“œ ํ”„๋กœ์ ํŠธ์˜ api๋ฅผ GraphQL๋กœ ์ž‘์„ฑํ–ˆ๋Š”๋ฐ, ์ด๋ฅผ ๊ณต์œ ํ•˜๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. ์ด ํฌ์ŠคํŠธ์—์„œ๋Š” Docker + Postgresql + GraphQL + Prisma + Nexus + Typescript๋ฅผ ์ด์šฉํ•ด ์ธ์ฆ์ฒ˜๋ฆฌ๋ฅผ ํฌํ•จํ•œ APIโ€ฆ

GraphQL Server (๋น ๋ฅด๊ฒŒ) ๋งŒ๋“ค๊ธฐ-2
February 20, 2019 - 4 min read

์ตœ๊ทผ ์‚ฌ์ด๋“œ ํ”„๋กœ์ ํŠธ์˜ api๋ฅผ GraphQL๋กœ ์ž‘์„ฑํ–ˆ๋Š”๋ฐ, ์ด๋ฅผ ๊ณต์œ ํ•˜๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. ์ด ํฌ์ŠคํŠธ์—์„œ๋Š” Docker + Postgresql + GraphQL + Prisma + Nexus + Typescript๋ฅผ ์ด์šฉํ•ด ์ธ์ฆ์ฒ˜๋ฆฌ๋ฅผ ํฌํ•จํ•œ APIโ€ฆ

GraphQL Server (๋น ๋ฅด๊ฒŒ) ๋งŒ๋“ค๊ธฐ-1
February 20, 2019 - 4 min read

๋ธ”๋กœ๊ทธ๋ฅผ ์—„์ฒญ ์˜ค๋žœ๋งŒ์— ์“ฐ๊ฒŒ๋˜์–ด ์„ค๋ ™๋‹ˆ๋‹ค. ๐Ÿ™ˆ๐Ÿ™ˆ๐Ÿ™ˆ๐Ÿ™ˆ๐Ÿ™Š๐Ÿ™Š๐Ÿ™Š๐Ÿ™Š๐Ÿ™ˆ๐Ÿ™ˆ๐Ÿ™ˆ๐Ÿ™ˆ ์ตœ๊ทผ ์‚ฌ์ด๋“œ ํ”„๋กœ์ ํŠธ์˜ api๋ฅผ GraphQL๋กœ ์ž‘์„ฑํ–ˆ๋Š”๋ฐ, ์ด๋ฅผ ๊ณต์œ ํ•˜๊ณ ์ž ํ•ฉ๋‹ˆ๋‹ค. ์ด ํฌ์ŠคํŠธ์—์„œ๋Š” Docker + Postgresql + GraphQLโ€ฆ

KOI ์ง€์—ญ๋ณธ์„  2012 ์ค‘๋“ฑ๋ถ€, no.4 ์‚ฌํšŒ๋ง ์„œ๋น„์Šค(SNS)
June 11, 2014 - 2 min read

BOJ 2533 ์‚ฌํšŒ๋ง ์„œ๋น„์Šค(SNS) ๋ฌธ์ œ์š”์•ฝ ์นœ๊ตฌ ๊ด€๊ณ„๋Š” ์•„๋ž˜์™€ ๊ฐ™์ด ๊ทธ๋ž˜ํ”„ ํ˜•ํƒœ๋กœ ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ๋‹ค. ์•„๋ž˜ ๊ทธ๋ž˜ํ”„๋Š” ์ฒ ์ˆ˜์™€ ์˜ํฌ, ์ฒ ์ˆ˜์™€ ๋งŒ์ˆ˜, ์˜ํฌ์™€ ์ˆœํฌ๊ฐ€ ์นœ๊ตฌ์ž„์„ ๋‚˜ํƒ€๋‚ด๋Š” ๊ทธ๋ž˜ํ”„์ด๋‹ค.  ์ด๋Ÿฐ ์นœ๊ตฌ ๊ด€๊ณ„ ๊ทธ๋ž˜ํ”„๋ฅผ ๋ณด๋ฉด ์‚ฌํšŒ๋ง ์„œ๋น„์Šค(SNSโ€ฆ

Baekjoon Online Judge No.2191 ๋“ค์ฅ์˜ ํƒˆ์ถœ
March 17, 2014 - 2 min read

BOJ 2191 ๋“ค์ฅ์˜ ํƒˆ์ถœ ๋ฌธ์ œ์š”์•ฝ N ๋งˆ๋ฆฌ์˜ ๋“ค์ฅ์™€ M ๊ฐœ์˜ ๋•…๊ตด์ด ์žˆ๋‹ค (1โ‰คNโ‰ค100,1โ‰คMโ‰ค100). ๊ทธ๋ฆฌ๊ณ  ๊ฐ ๋“ค์ฅ์™€ ๋•…๊ตด์˜ ์œ„์น˜๋Š” 2์ฐจ์› ํ‰๋ฉด์ƒ์— ์œ„์น˜ํ•ด ์žˆ๊ณ , ๊ฐ๊ฐ์˜ ์ขŒํ‘œ๋Š” ์ ˆ๋Œ€๊ฐ’์ด $โ€ฆ

Plane Sweeping
February 24, 2014 - 5 min read

BOJ 2669 ์ง์‚ฌ๊ฐํ˜• ๋„ค ๊ฐœ์˜ ํ•ฉ์ง‘ํ•ฉ์˜ ๋ฉด์  ๊ตฌํ•˜๊ธฐ BOJ 2672 ์—ฌ๋Ÿฌ ์ง์‚ฌ๊ฐํ˜•์˜ ์ „์ฒด ๋ฉด์  ๊ตฌํ•˜๊ธฐ BOJ 3392 ํ™”์„ฑ ์ง€๋„ ๋ฌธ์ œ์š”์•ฝ 2์ฐจ์› ํ‰๋ฉด์ƒ์— x์ถ•๊ณผ $yโ€ฆ

Baekjoon Online Judge No.1502 ๊ด‘๊ณ 
January 04, 2014 - 2 min read

BOJ 1502 ๊ด‘๊ณ  ๋ฌธ์ œ์š”์•ฝ ์ตœ๋Œ€ L๋งŒํผ์˜ ๊ธธ์ด๋ฅผ ๊ฐ€์ง„ ๊ด‘๊ณ ๋ฅผ ๋ณด์—ฌ์ฃผ๋Š” ์ „๊ด‘ํŒ์— ๊ด‘๊ณ ๋ฅผ ๋„ฃ๋Š”๋‹ค(1โ‰คLโ‰ค1,000,000). ์ด ๋•Œ, ๊ด‘๊ณ ํŒ์„ ํšจ์œจ์ ์œผ๋กœ ์ด์šฉํ•˜๊ธฐ ์œ„ํ•˜์—ฌ $Lโ€ฆ

Tu-Darmstadt Programming Contest 2005, no.7 Rdeaalbe
January 04, 2014 - 2 min read

BOJ 1501 ์˜์–ด ์ฝ๊ธฐ ๋ฌธ์ œ์š”์•ฝ ์ฒซ ๋ฌธ์ž์™€ ๋ ๋ฌธ์ž๊ฐ€ ์ผ์น˜ํ•œ๋‹ค๋ฉด ๊ทธ ๊ฐ€์šด๋ฐ์˜ ๋ฌธ์ž๋“ค์˜ ์ˆœ์—ด๊ณผ๋Š” ์ƒ๊ด€์—†์ด ๊ทธ๊ฒƒ์— ํ•ด๋‹นํ•˜๋Š” ๋‹จ์–ด๋กœ ์ธ์‹ํ•  ์ˆ˜ ์žˆ๋‹ค. ์˜ˆ๋ฅผ๋“ค์–ด abcda๊ฐ™์€ ๊ฒฝ์šฐ์—๋Š” abcda, abdca, acbda, acdba, adbcaโ€ฆ

Sogang Programming Contest Champion 2013 ํ† ๋ ŒํŠธ
January 04, 2014 - 2 min read

BOJ 9577 ํ† ๋ ŒํŠธ ๋ฌธ์ œ์š”์•ฝ ACMํ† ๋ ŒํŠธ๋Š” ์‹œ๋“œ๊ฐ€ ์ ‘์†ํ•˜๋Š” ์‹œ๊ฐ„์— ์‹œ๋“œ๋กœ๋ถ€ํ„ฐ ์กฐ๊ฐ์„ ์ „์†ก๋ฐ›์•„ ํŒŒ์ผ์„ ์™„์„ฑํ•˜๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ ๊ณต์œ ๋œ๋‹ค. N๊ฐœ์˜ ์กฐ๊ฐ์œผ๋กœ ๋‚˜๋ˆ„์–ด์ง„ ํŒŒ์ผ์„ ๊ณต์œ ๋ฐ›์œผ๋ ค ํ•  ๋•Œ, ๋ชจ๋“  ํŒŒ์ผ ์กฐ๊ฐ์„ ๋ฐ›์„ ์ตœ์†Œ ์‹œ๊ฐ„์„ ๊ตฌํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค. $Mโ€ฆ