로또의 최고 순위와 최저 순위

programmers/Lotto.java

@@ -0,0 +1,39 @@
+import java.util.*;
+
+class Solution {
+    public int[] solution(int[] lottos, int[] win_nums) {
+        int correct = 0;
+        int zeroCnt = 0; 
+
+        for(int i=0; i<win_nums.length; i++){
+            for(int j=0; j<lottos.length; j++){
+
+                if(lottos[j] == 0 && i == 0){
+                    zeroCnt++;
+                    continue;
+                }
+                else if(lottos[j] == win_nums[i]) correct++;
+            }
+        }
+
+
+        int[] answer = new int[2];
+
+        answer[1] = rank(correct);
+        correct += zeroCnt;
+        answer[0] = rank(correct);
+
+        return answer;
+    }
+
+    public static int rank(int correct){
+        switch(correct){
+            case 6: return 1;
+            case 5: return 2;
+            case 4: return 3;
+            case 3: return 4;
+            case 2: return 5;
+            default: return 6;
+        }
+    }
+}