1644F. Basis
Diamond II
์กฐํ•ฉ๋ก ๊ณ ์† ํ‘ธ๋ฆฌ์— ๋ณ€ํ™˜์ˆ˜ํ•™์ •์ˆ˜๋ก ๋ซผ๋น„์šฐ์Šค ๋ฐ˜์ „ ๊ณต์‹์—๋ผํ† ์Šคํ…Œ๋„ค์Šค์˜ ์ฒด์˜ค์ผ๋Ÿฌ ํ”ผ ํ•จ์ˆ˜ํฌํ•จ ๋ฐฐ์ œ์˜ ์›๋ฆฌ
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‘