1285F. Classical?
Diamond II
์ด๋ถ„ ํƒ์ƒ‰์กฐํ•ฉ๋ก ์ •์ˆ˜๋ก ๊ทธ๋ฆฌ๋”” ์•Œ๊ณ ๋ฆฌ์ฆ˜์ˆ˜ํ•™์Šคํƒ์—๋ผํ† ์Šคํ…Œ๋„ค์Šค์˜ ์ฒด์œ ํด๋ฆฌ๋“œ ํ˜ธ์ œ๋ฒ•+2
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‘