๋ฌธ-์ถ” ๋กœ๊ณ 
๋ฌธ-์ถ”
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1392I. Kevin and Grid
Ruby III
๊ณ ์† ํ‘ธ๋ฆฌ์— ๋ณ€ํ™˜๊ทธ๋ž˜ํ”„ ์ด๋ก ์ˆ˜ํ•™๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰๋ˆ„์  ํ•ฉํ‰๋ฉด ๊ทธ๋ž˜ํ”„
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‘