1236F. Alice and the Cactus
Diamond I
๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰๊ทธ๋ž˜ํ”„ ์ด๋ก ์ˆ˜ํ•™ํ™•๋ฅ ๋ก ๊ธฐ๋Œ“๊ฐ’์˜ ์„ ํ˜•์„ฑ๋ชจ๋“ˆ๋กœ ๊ณฑ์…ˆ ์—ญ์›์กฐํ•ฉ๋ก 
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‘