1210F2. Marek and Matching (hard version)
Ruby IV
๋ธŒ๋ฃจํŠธํฌ์Šค ์•Œ๊ณ ๋ฆฌ์ฆ˜ํ™•๋ฅ ๋ก ๊ทธ๋ž˜ํ”„ ์ด๋ก ๊ทธ๋ฆฌ๋”” ์•Œ๊ณ ๋ฆฌ์ฆ˜๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰๋„ˆ๋น„ ์šฐ์„  ํƒ์ƒ‰๋‹ค์ด๋‚˜๋ฏน ํ”„๋กœ๊ทธ๋ž˜๋ฐ๋Ÿฐํƒ€์ž„ ์ „์˜ ์ „์ฒ˜๋ฆฌ+11
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‘