1614D2. Divan and Kostomuksha (hard version)
Platinum III
๋‹ค์ด๋‚˜๋ฏน ํ”„๋กœ๊ทธ๋ž˜๋ฐ์ •์ˆ˜๋ก ์†Œ์ธ์ˆ˜๋ถ„ํ•ด์—๋ผํ† ์Šคํ…Œ๋„ค์Šค์˜ ์ฒด
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‘