๋ฌธ-์ถ” ๋กœ๊ณ 
๋ฌธ-์ถ”
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1142E. Pink Floyd
Ruby IV
๊ทธ๋ž˜ํ”„ ์ด๋ก ์• ๋“œ ํ˜น๊ฐ•ํ•œ ์—ฐ๊ฒฐ ์š”์†Œ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰์œ„์ƒ ์ •๋ ฌ์ง‘ํ•ฉ๊ณผ ๋งต
Codeforces

์ด ๋ฌธ์ œ์— ๋Œ€ํ•œ ๊ฐ€์ด๋“œ

์•„์ง ์ž‘์„ฑ๋œ ๊ฐ€์ด๋“œ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ๋ฅผ ํฌํ•จํ•˜๋Š” ๋ฌธ์ œ์ง‘