Merge pull request #430 from AlgorithmWithGod/03do-new30

[20250710] BOJ / G5 / 용액 / 신동윤

Author: ShinHeeEul

03do-new30/202507/10 BOJ G5 용액.md

@@ -0,0 +1,35 @@
+```java
+import java.util.*;
+import java.io.*;
+public class Main {
+    public static void main(String[] args) throws IOException {
+
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int N = Integer.parseInt(br.readLine());
+        int[] arr = new int[N];
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < N; i++) {
+            arr[i] = Integer.parseInt(st.nextToken());
+        }
+
+        int left = 0, leftIdx = 0;
+        int right = N-1, rightIdx = N-1;
+        int min = 2_000_000_000;
+        while (leftIdx < rightIdx && min > 0) {
+            int current = arr[leftIdx] + arr[rightIdx];
+            if (Math.abs(current) < min) {
+                left = leftIdx;
+                right = rightIdx;
+                min = Math.abs(current);
+            }
+
+            if (current < 0) {
+                leftIdx++;
+            } else {
+                rightIdx--;
+            }
+        }
+        System.out.println(arr[left] + " " + arr[right]);
+    }
+}
+```