From 4ddd37e4c28eedf4fecd42e8d4e201cfd4a5abcb Mon Sep 17 00:00:00 2001
From: KAMS <amisolkim@gmail.com>
Date: Sat, 15 Nov 2025 22:17:34 +0900
Subject: [PATCH] two sum solution

---
 two-sum/Sol35229.java | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 two-sum/Sol35229.java

diff --git a/two-sum/Sol35229.java b/two-sum/Sol35229.java
new file mode 100644
index 000000000..059db5bdd
--- /dev/null
+++ b/two-sum/Sol35229.java
@@ -0,0 +1,31 @@
+import java.util.HashMap;
+import java.util.Map;
+
+public class Sol35229 {
+
+    public int[] bruteForce(int[] nums, int target) {
+        for (int i = 0; i < nums.length; i++) {
+            for (int j = i+1; j < nums.length; j++) {
+                if (nums[i]+nums[j] == target) {
+                    return  new int[]{i, j};
+                }
+            }
+        }
+        return new int[] {};
+    }
+
+    public int[] hashTable(int[] nums, int target) {
+        Map<Integer, Integer> hashMap = new HashMap<>();
+        for (int i = 0; i < nums.length; i++) {
+            hashMap.put(nums[i], i);
+        }
+        for (int i = 0; i < nums.length; i++) {
+            int complement = target - nums[i];
+            if (hashMap.containsKey(complement) && hashMap.get(complement) != i) {
+                return new int[]{i, hashMap.get(complement)};
+            }
+        }
+        return new int[] {};
+    }
+}
+