위장 - level2

sey2 · Aug 16, 2022 · e1840d8 · e1840d8
1 parent d9cb784
commit e1840d8
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/programmers/Camouflage.java b/programmers/Camouflage.java
@@ -0,0 +1,15 @@
+class Solution {
+    public int solution(String[][] clothes) {
+        int answer = 1;
+        HashMap<String, Integer> map = new HashMap<>();
+
+        for(int i=0; i<clothes.length; i++)
+            map.put(clothes[i][1], map.getOrDefault(clothes[i][1],0) + 1);
+
+        for(var num : map.values()){
+            answer *= num+1;
+        }
+
+        return answer-1;
+    }
+}