3392. total subarrays with condition

Author: bcd-kushal

easy/3392-total-subarrays-with-condition/sol.cpp

@@ -0,0 +1,16 @@
+#include <vector>
+using namespace std;
+
+class Solution {
+public:
+    int countSubarrays(vector<int>& nums) {
+        int left = 0, right = 2;
+        int total = 0;
+
+        for(;right<nums.size();right+=1,left+=1)
+            if(2*(nums[left] + nums[right]) == nums[left+1])
+                total += 1;
+
+        return total;
+    }
+};