uploaded at 2022. 12. 17. 오후 8:06:17

programmers/2016년/solution.java

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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/12901
+
+class Solution {
+    private static int date(int a, int b){
+        int res = 0;
+        if(a > 2){
+            if(a<=7){
+                res = 60 + (a-3)*30 + b + (a-2)/2;
+            } else{
+                res = 60 + 153 + (a-8)*30 + b + (a-7)/2;
+            }
+        }else{
+            res = (a-1)*31 + b;
+        }
+        return res;
+    }
+    private static String name(int date){
+        String[] name = {"SUN","MON","TUE","WED","THU","FRI","SAT"};
+        //시작일이 금요일이므로.
+        return name[(date+4)%7];
+    }
+    public String solution(int a, int b) {
+        return name(date(a,b));
+    }
+}