DAIN_CHOI
[์ž๋ฐ”ํŽ˜์Šคํ‹ฐ๋ฒŒ] ๋ณด๋„ˆ์Šค1๋ฒˆ - A-B๋ฅผ ์ถœ๋ ฅํ•˜๋‹ค๊ฐ€ A์™€ B ์ž…๋ ฅ์ด ๋ชจ๋‘ 0์ด๋ฉด ์ข…๋ฃŒ๋˜๋Š” ํ”„๋กœ๊ทธ๋žจ