Time: 1 ms (100%), Space: 45.4 MB (20.37%) - LeetHub

Author: Sangram03

3685-count-subarrays-of-length-three-with-a-condition/3685-count-subarrays-of-length-three-with-a-condition.java

@@ -0,0 +1,11 @@
+class Solution {
+    public int countSubarrays(int[] nums) {
+        int res = 0;
+        for (int i = 0; i < nums.length - 2; i++) {
+            if ((nums[i] + nums[i + 2]) * 2 == nums[i + 1]) {
+                res++;
+            }
+        }
+        return res;
+    }
+}