[20250612] BOJ / G3 / 세 용액 / 김수연

suyeun84/202506/12 BOJ G3 세 용액.md

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+```java
+import java.io.*;
+import java.util.*;
+
+public class boj2473 {
+	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 = Integer.parseInt(st.nextToken());
+		long[] num = new long[N];
+		long answer = Long.MAX_VALUE;
+		long[] res = new long[3]; 
+		nextLine();
+		for(int i = 0; i < N; i++) {
+			num[i] = Long.parseLong(st.nextToken());
+		}
+		Arrays.sort(num);
+
+		for (int i = 0; i < N; i++) {
+			int start = i+1;
+			int end = N-1;
+			while (start < end) {
+				long temp = num[i] + num[start] + num[end];
+				if (Math.abs(temp) < answer) {
+					res[0] = num[i];
+					res[1] = num[start];
+					res[2] = num[end];
+					answer = Math.abs(temp);
+				}
+				if (temp > 0) end--;
+				else if (temp < 0) start++;
+				else {
+					System.out.println(res[0]+" "+res[1]+" "+res[2]);
+					return;
+				}
+			}
+		}
+		System.out.println(res[0]+" "+res[1]+" "+res[2]);
+	}
+}                     
+```