Create [17]_3.java

Author: ndb796

Solutions/[17]_3.java

@@ -0,0 +1,29 @@
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Scanner;
+
+public class Main {
+
+	public static void main(String[] args) {
+		Scanner sc = new Scanner(System.in);
+		
+		int n = sc.nextInt();
+		ArrayList<Integer> data = new ArrayList<Integer>();
+		
+		for (int i = 0; i < n; i++) {
+			data.add(sc.nextInt());
+		}
+		
+		// 오름차순 정렬 수행 
+		Collections.sort(data);
+		
+		// 불만도의 합 계산
+		long result = 0;
+		for (int i = 1; i <= n; i++) {
+			result += Math.abs(i - data.get(i - 1));
+		} 
+		
+		System.out.println(result);
+	}
+
+}