1019D. Large Triangle
Diamond IV
์ด๋ถ„ ํƒ์ƒ‰๊ธฐํ•˜ํ•™์ •๋ ฌ๊ฐ๋„ ์ •๋ ฌ์Šค์œ„ํ•‘
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‘