swea 1986 [D2] 지그재그 숫자 JAVA 풀이 : 짝수,홀수 -> 덧셈,뺄셈 Code public class Solution1986 { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); int T = sc.nextInt(); for (int tc = 1; tc SWEA 2023.11.22