1552G. A Serious Referee
Diamond I
๋น„ํŠธ๋งˆ์Šคํ‚น๋ธŒ๋ฃจํŠธํฌ์Šค ์•Œ๊ณ ๋ฆฌ์ฆ˜๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰์ •๋ ฌ๋น„ํŠธํ•„๋“œ๋ฅผ ์ด์šฉํ•œ ๋‹ค์ด๋‚˜๋ฏน ํ”„๋กœ๊ทธ๋ž˜๋ฐ์ด๋ถ„ ํƒ์ƒ‰์žฌ๊ท€
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‘