[20250825] BOJ / G5 / 개똥벌레 / 김수연

Author: suyeun84

suyeun84/202508/25 BOJ G5 개똥벌레.md

@@ -0,0 +1,45 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class boj3020 {
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static StringTokenizer st;
+    static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+    static int nextInt() {return Integer.parseInt(st.nextToken());}
+
+    public static void main(String[] args) throws Exception {
+        nextLine();
+        int N = nextInt();
+        int H = nextInt();
+
+        int[] A = new int[H + 1];
+        int[] B = new int[H + 1];
+
+        for (int n = 0; n < N; n += 2) {
+            nextLine();
+            A[nextInt()]++;
+            nextLine();
+            B[nextInt()]++;
+        }
+
+        for (int h = H - 1; 0 < h; h--) {
+            A[h] += A[h + 1];
+            B[h] += B[h + 1];
+        }
+
+        int count = 0;
+        int min = N;
+
+        for (int h = H; 0 < h; h--) {
+            if (A[h] + B[H - h + 1] < min) {
+                count = 1;
+                min = A[h] + B[H - h + 1];
+            } else if (A[h] + B[H - h + 1] == min) {
+                count++;
+            }
+        }
+        System.out.println(min + " " + count);
+    }
+}
+```