tags

BOJ

BOJ / 1463 / 1๋กœ ๋งŒ๋“ค๊ธฐ / Python

April 27 2022

์ด์ „์— ํ’€์—ˆ๋˜ ๋ฌธ์ œ์ธ๋ฐ ๋ชป ํ’€์—ˆ๋‹ค. ๊ธฐ๋ก์„ ๋ณด๋‹ˆ ์ด์ „์—๋„ ๋ชป ํ’€์–ด์„œ ๊ฒฐ๊ตญ ๊ตฌ๊ธ€๋ง์œผ๋กœ ํ•ด๊ฒฐํ–ˆ๋˜ ๋ฌธ์ œ์˜€๋‹ค. ์—ญ์‹œ๋‚˜ ๋จธ๋ฆฌ์— ์•„๋ฌด๊ฒƒ๋„ ์•ˆ ๋‚จ์•˜๋˜ ๊ฑฐ๋‹ค .. !

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EC2

[AWS] SSH๋กœ EC2 ์ธ์Šคํ„ด์Šค ์ ‘์† & ์›น ์„œ๋น„์Šค ์„ค์น˜

January 18 2023

# ์ฃผ์˜ ! ์ด๋•Œ ํ‚คํŒŒ์ผ์ด ์ €์žฅ๋œ ์œ„์น˜๋กœ ์šฐ์„  ์ด๋™ํ•ด์•ผํ•œ๋‹ค. # ํ‚ค ํŒŒ์ผ์— ๋Œ€ํ•ด์„œ ์†Œ์œ ์ž๋งŒ ๋ณผ ์ˆ˜ ์žˆ๋„๋ก ๊ถŒํ•œ์„ ๋ณ€๊ฒฝํ•œ๋‹ค. $ chmod 400 (ํ‚ค ํŒŒ์ผ).pem

[PuTTY] Error : No supported authentication methods available

April 29 2022

PuTTY์—์„œ Host Name์— EC2 ์ธ์Šคํ„ด์Šค์˜ ํผ๋ธ”๋ฆญ IPv4 ์ฃผ์†Œ๊ฐ€ ์•„๋‹Œ, ํผ๋ธ”๋ฆญ IPv4 DNS๋ฅผ ๋„ฃ์–ด์ค€๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์™ผ์ชฝ ํƒญ์—์„œ Connection > SSH > Auth > Private Key file for authentication์—์„œ Browse๋ฅผ...

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DFS

[Algorithm] : DFS, BFS

June 22 2022

DFS์™€ BFS๋Š” ๊ทธ๋ž˜ํ”„ ํƒ์ƒ‰ ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด๋‹ค.

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๐Ÿ‘ป

00.

April 26 2022

์ด๋ ‡๊ฒŒ ์˜ฌ๋ฆฌ๋ฉด ๋˜๋Š”๊ตฌ๋‚˜

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lambda

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map

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dynamic programming

BOJ / 1463 / 1๋กœ ๋งŒ๋“ค๊ธฐ / Python

April 27 2022

์ด์ „์— ํ’€์—ˆ๋˜ ๋ฌธ์ œ์ธ๋ฐ ๋ชป ํ’€์—ˆ๋‹ค. ๊ธฐ๋ก์„ ๋ณด๋‹ˆ ์ด์ „์—๋„ ๋ชป ํ’€์–ด์„œ ๊ฒฐ๊ตญ ๊ตฌ๊ธ€๋ง์œผ๋กœ ํ•ด๊ฒฐํ–ˆ๋˜ ๋ฌธ์ œ์˜€๋‹ค. ์—ญ์‹œ๋‚˜ ๋จธ๋ฆฌ์— ์•„๋ฌด๊ฒƒ๋„ ์•ˆ ๋‚จ์•˜๋˜ ๊ฑฐ๋‹ค .. !

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PuTTY

[PuTTY] Error : No supported authentication methods available

April 29 2022

PuTTY์—์„œ Host Name์— EC2 ์ธ์Šคํ„ด์Šค์˜ ํผ๋ธ”๋ฆญ IPv4 ์ฃผ์†Œ๊ฐ€ ์•„๋‹Œ, ํผ๋ธ”๋ฆญ IPv4 DNS๋ฅผ ๋„ฃ์–ด์ค€๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์™ผ์ชฝ ํƒญ์—์„œ Connection > SSH > Auth > Private Key file for authentication์—์„œ Browse๋ฅผ...

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BFS

[Algorithm] : DFS, BFS

June 22 2022

DFS์™€ BFS๋Š” ๊ทธ๋ž˜ํ”„ ํƒ์ƒ‰ ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด๋‹ค.

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graph

[Algorithm] : DFS, BFS

June 22 2022

DFS์™€ BFS๋Š” ๊ทธ๋ž˜ํ”„ ํƒ์ƒ‰ ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด๋‹ค.

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S3

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kaggle

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SSH

[AWS] SSH๋กœ EC2 ์ธ์Šคํ„ด์Šค ์ ‘์† & ์›น ์„œ๋น„์Šค ์„ค์น˜

January 18 2023

# ์ฃผ์˜ ! ์ด๋•Œ ํ‚คํŒŒ์ผ์ด ์ €์žฅ๋œ ์œ„์น˜๋กœ ์šฐ์„  ์ด๋™ํ•ด์•ผํ•œ๋‹ค. # ํ‚ค ํŒŒ์ผ์— ๋Œ€ํ•ด์„œ ์†Œ์œ ์ž๋งŒ ๋ณผ ์ˆ˜ ์žˆ๋„๋ก ๊ถŒํ•œ์„ ๋ณ€๊ฒฝํ•œ๋‹ค. $ chmod 400 (ํ‚ค ํŒŒ์ผ).pem

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VPC

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ELB

[AWS] ALB์™€ NLB์˜ ์ฐจ์ด

February 06 2023

๐Ÿ’ญ ๋งค๋ฒˆ ํ—ท๊ฐˆ๋ ธ๋˜ ALB์™€ NLB์˜ ์ฐจ์ด์— ๋Œ€ํ•ด ์•„์ฃผ ์กฐ๊ธˆ ๊ฐœ๋…์ด ์žกํ˜”๋‹ค. ๋˜ ์žŠ์–ด๋ฒ„๋ฆฌ๊ธฐ ์ „์— ! ์ •๋ฆฌ๋ฅผ ์ข€ ํ•˜๋ ค๊ณ  ํ•œ๋‹ค. ์•„์ง ์™„๋ฒฝํžˆ ๋‹ค ๊ณต๋ถ€ํ•œ ๊ฒƒ์€ ์•„๋‹ˆ๋ผ์„œ ๊ณ„์† ์กฐ๊ธˆ์”ฉ ์ˆ˜์ •ํ•ด์„œ ๋‚ด์šฉ์„ ์ฑ„์›Œ๋‚˜๊ฐˆ ์ƒ๊ฐ์ด๋‹ค.

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ALB

[AWS] ALB์™€ NLB์˜ ์ฐจ์ด

February 06 2023

๐Ÿ’ญ ๋งค๋ฒˆ ํ—ท๊ฐˆ๋ ธ๋˜ ALB์™€ NLB์˜ ์ฐจ์ด์— ๋Œ€ํ•ด ์•„์ฃผ ์กฐ๊ธˆ ๊ฐœ๋…์ด ์žกํ˜”๋‹ค. ๋˜ ์žŠ์–ด๋ฒ„๋ฆฌ๊ธฐ ์ „์— ! ์ •๋ฆฌ๋ฅผ ์ข€ ํ•˜๋ ค๊ณ  ํ•œ๋‹ค. ์•„์ง ์™„๋ฒฝํžˆ ๋‹ค ๊ณต๋ถ€ํ•œ ๊ฒƒ์€ ์•„๋‹ˆ๋ผ์„œ ๊ณ„์† ์กฐ๊ธˆ์”ฉ ์ˆ˜์ •ํ•ด์„œ ๋‚ด์šฉ์„ ์ฑ„์›Œ๋‚˜๊ฐˆ ์ƒ๊ฐ์ด๋‹ค.

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NLB

[AWS] ALB์™€ NLB์˜ ์ฐจ์ด

February 06 2023

๐Ÿ’ญ ๋งค๋ฒˆ ํ—ท๊ฐˆ๋ ธ๋˜ ALB์™€ NLB์˜ ์ฐจ์ด์— ๋Œ€ํ•ด ์•„์ฃผ ์กฐ๊ธˆ ๊ฐœ๋…์ด ์žกํ˜”๋‹ค. ๋˜ ์žŠ์–ด๋ฒ„๋ฆฌ๊ธฐ ์ „์— ! ์ •๋ฆฌ๋ฅผ ์ข€ ํ•˜๋ ค๊ณ  ํ•œ๋‹ค. ์•„์ง ์™„๋ฒฝํžˆ ๋‹ค ๊ณต๋ถ€ํ•œ ๊ฒƒ์€ ์•„๋‹ˆ๋ผ์„œ ๊ณ„์† ์กฐ๊ธˆ์”ฉ ์ˆ˜์ •ํ•ด์„œ ๋‚ด์šฉ์„ ์ฑ„์›Œ๋‚˜๊ฐˆ ์ƒ๊ฐ์ด๋‹ค.

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