[20250203] BOJ / 골드5 / 모독 / 권혁준

Author: oncsr

khj20006/202502/03 BOJ G4 모독.md

@@ -0,0 +1,44 @@
+```java
+
+import java.util.*;
+import java.io.*;
+
+class Main {
+	
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st;
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+	static long nextLong() {return Long.parseLong(st.nextToken());}
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	
+
+	public static void main(String[] args) throws Exception {
+
+		nextLine();
+		int N = nextInt();
+		int[] A = new int[N];
+		for(int i=0;i<N;i++) A[i] = Integer.parseInt(br.readLine());
+		Arrays.sort(A);
+		
+		long ans = 0;
+		int c = 1;
+		for(int i=0;i<N;i++) {
+			int p = i;
+			while(i<N-1 && A[i] == A[i+1] && A[i] == c) i++;
+			ans += (long)(i-p+1)*Math.max(0,A[p]-c++);
+		}
+		bw.write(ans+"\n");
+		
+		
+		bwEnd();
+	}
+
+}
+
+```