diff --git a/hanbkim/binary_search/2295.cpp b/hanbkim/binary_search/2295.cpp
new file mode 100644
index 0000000..af2fff2
--- /dev/null
+++ b/hanbkim/binary_search/2295.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+#include <algorithm>
+#include <vector>
+
+
+std::vector<long long> two_sum;
+
+int main()
+{
+	long long	*arr;
+	int	N;
+
+	std::cin >> N;
+	arr = new long long[N];	
+	for (int i = 0; i < N; ++i)
+		std::cin >> arr[i];
+	std::sort(arr, arr + N);
+
+	for (int i = 0; i < N; ++i)
+	{
+		for(int j = i; j < N; ++j)
+		{
+			two_sum.push_back(arr[i] + arr[j]);
+		}
+
+	}
+	std::sort(two_sum.begin(), two_sum.end());
+	for (int i = N - 1; i >= 0; --i)
+	{
+		for (int j = 0; j < i; ++j)
+		{
+			if (std::binary_search(two_sum.begin(), two_sum.end(), arr[i] - arr[j]))
+			{
+				std::cout << arr[i];
+				return 0;
+			}
+		}
+	}
+}