diff --git a/3392. Count Subarrays of Length Three With a Condition b/3392. Count Subarrays of Length Three With a Condition
new file mode 100644
index 0000000..6d24a10
--- /dev/null
+++ b/3392. Count Subarrays of Length Three With a Condition	
@@ -0,0 +1,11 @@
+class Solution {
+public:
+    int countSubarrays(vector<int>& nums) {
+        int n = nums.size();
+        int count = 0;
+        for(int i=0;i<n-2;i++){
+            if(nums[i] + (float)nums[i+2] == (nums[i+1]/(float)2)) count++;
+        }
+        return count;
+    }
+};