[20250314] BOJ / G4 / 두 대표 자연수 / 권혁준

Author: oncsr

khj20006/202503/14 BOJ G4 두 대표 자연수.md

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+```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 = new StringTokenizer("");
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() throws Exception {
+		if(!st.hasMoreTokens()) nextLine();
+		return Integer.parseInt(st.nextToken());
+	}
+	static long nextLong() throws Exception {
+		if(!st.hasMoreTokens()) nextLine();
+		return Long.parseLong(st.nextToken());
+	}
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	
+	static int N;
+	static long[] C;
+	
+	public static void main(String[] args) throws Exception {
+			
+		ready();
+		solve();
+	
+		bwEnd();
+		
+	}
+	
+	static void ready() throws Exception{
+		
+		N = nextInt();
+		C = new long[10001];
+		for(int i=0;i<N;i++) C[nextInt()]++;
+		
+	}
+	
+	static void solve() throws Exception{
+		
+		long ans1 = -1, res = Long.MAX_VALUE;
+		long ans2 = -1, res2 = Long.MAX_VALUE;
+		for(int i=1;i<=10000;i++) {
+			long temp1 = 0, temp2 = 0;
+			for(int j=1;j<=10000;j++) {
+				temp1 += C[j] * Math.abs(i-j);
+				temp2 += C[j] * (i-j) * (i-j);
+			}
+			if(temp1 < res) {
+				res = temp1;
+				ans1 = i;
+			}
+			if(temp2 < res2) {
+				res2 = temp2;
+				ans2 = i;
+			}
+		}
+		bw.write(ans1 + " " + ans2);
+		
+		
+	}
+	
+}
+
+```