[20250615] BOJ / G2 / 보석 도둑 / 이강현

Author: lkhyun

lkhyun/202506/15 BOJ G2 보석 도둑.md

@@ -0,0 +1,47 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    static StringTokenizer st;
+    static int N,K;
+    static int[][] jewelryInfo;
+    static TreeMap<Integer,Integer> backpack; //중복되는 가방 구분을 위한 맵
+    static long sum;
+
+
+    public static void main(String[] args) throws IOException {
+        st = new StringTokenizer(br.readLine());
+        N = Integer.parseInt(st.nextToken());
+        K = Integer.parseInt(st.nextToken());
+        jewelryInfo = new int[N][2]; // 0이면 무게, 1이면 가격
+        backpack = new TreeMap<>();
+        for (int i = 0; i < N; i++) {
+            st = new StringTokenizer(br.readLine());
+            jewelryInfo[i][0] = Integer.parseInt(st.nextToken());
+            jewelryInfo[i][1] = Integer.parseInt(st.nextToken());
+        }
+        for (int i = 0; i < K; i++) {
+            int capacity = Integer.parseInt(br.readLine());
+            backpack.put(capacity,backpack.getOrDefault(capacity,0)+1);
+        }
+        Arrays.sort(jewelryInfo,(a,b) -> b[1]-a[1]);
+
+        sum = 0;
+        for (int i = 0; i < N; i++) {
+            Integer cur = backpack.ceilingKey(jewelryInfo[i][0]);
+            if(cur != null){
+                sum += jewelryInfo[i][1];
+                backpack.put(cur,backpack.get(cur)-1);
+                if(backpack.get(cur)==0){
+                    backpack.remove(cur);
+                }
+            }
+        }
+        bw.write(sum+"");
+        bw.close();
+    }
+}
+```