solve 더맵게 with java

Author: dolong2

더맵게/solution.java

@@ -0,0 +1,24 @@
+import java.util.*;
+
+public class Solution {
+    public int solution(int[] scoville, int K) {
+        PriorityQueue<Integer> pq = new PriorityQueue<>();
+        for (int s : scoville) {
+            pq.add(s);
+        }
+        int answer = 0;
+
+        while (pq.size() > 1) {
+            if (pq.peek() >= K) {
+                return answer;
+            }
+            int first = pq.poll();
+            int second = pq.poll();
+            int mixed = first + (second * 2);
+            pq.add(mixed);
+            answer++;
+        }
+
+        return pq.peek() >= K ? answer : -1;
+    }
+}