1270G. Subset with Zero Sum
Diamond IV
ํ•ด ๊ตฌ์„ฑํ•˜๊ธฐ๊นŠ์ด ์šฐ์„  ํƒ์ƒ‰๊ทธ๋ž˜ํ”„ ์ด๋ก ์ˆ˜ํ•™๊ตฌํ˜„ํ•จ์ˆ˜ํ˜• ๊ทธ๋ž˜ํ”„
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‘