diff --git a/88_merge_sorted_array/main.cpp b/88_merge_sorted_array/main.cpp
new file mode 100644
index 0000000..2edb6de
--- /dev/null
+++ b/88_merge_sorted_array/main.cpp
@@ -0,0 +1,20 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+class Solution {
+   public:
+    void merge(vector<int>& nums3, int m, vector<int>& nums2, int n) {
+        vector<int> nums1(nums3);
+
+        for (int i1 = 0, i2 = 0; i1 + i2 < m + n;) {
+            int x1 = i1 < m ? nums1[i1] : INT32_MAX;
+            int x2 = i2 < n ? nums2[i2] : INT32_MAX;
+
+            if (x1 <= x2) {
+                nums3[(i1++) + i2] = x1;
+            } else {
+                nums3[i1 + (i2++)] = x2;
+            }
+        }
+    }
+};