์์คํ ๊ฐ๋ฐ/csharp1 c# Hashset ์์ฑํ๋ฉด์ ์ด๊ธฐํํ๊ธฐ HashSet states_needed = new HashSet() { "mt", "wa", "or", "id", "nv", "ut", "ca", "az" }; 2022. 3. 10. ์ด์ 1 ๋ค์