[20251017] BOJ / G5 / 용앱 합성하기 / 이준희

Author: JHLEE325

JHLEE325/202510/17 BOJ G5 용액 합성하기.md

@@ -0,0 +1,45 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st;
+
+        int n = Integer.parseInt(br.readLine());
+
+        int[] arr = new int[n];
+
+        st = new StringTokenizer(br.readLine());
+
+        for (int i = 0; i < n; i++) {
+            arr[i] = Integer.parseInt(st.nextToken());
+        }
+
+        int left = 0;
+        int right = n - 1;
+        int temp = 987654321;
+        int res = 0;
+
+        while (left < right) {
+            int sum = arr[left] + arr[right];
+            if (sum < 0) {
+                left++;
+            } else if (sum > 0) {
+                right--;
+            } else {
+                res = 0;
+                break;
+            }
+            if(temp> Math.abs(sum)){
+                res = sum;
+                temp = Math.abs(sum);
+            }
+        }
+
+        System.out.println(res);
+    }
+}
+```