diff --git a/leetcode/src/88.c b/leetcode/src/88.c
new file mode 100644
index 0000000000..d8def94e91
--- /dev/null
+++ b/leetcode/src/88.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+
+
+void merge(int* nums1, int nums1Size, int m, int* nums2, int nums2Size, int n) {
+    int i = m - 1; 
+    int j = n - 1;
+    int k = m + n - 1;
+
+    while (i >= 0 && j >= 0) {
+        if (nums1[i] > nums2[j]) {
+            nums1[k--] = nums1[i--];
+        } else {
+            nums1[k--] = nums2[j--];
+        }
+    }
+
+    while (j >= 0) {
+        nums1[k--] = nums2[j--];
+    }
+}    
+
+
+