Create 2110. Number of Smooth Descent Periods of a Stock (#959)

Author: Chayandas07

2110. Number of Smooth Descent Periods of a Stock

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+class Solution {
+public:
+    long long getDescentPeriods(vector<int>& prices) {
+        long long ans = 1;
+        long long len = 1;
+        
+        for (int i = 1; i < prices.size(); i++) {
+            if (prices[i] == prices[i - 1] - 1) {
+                len++;
+            } else {
+                len = 1;
+            }
+            ans += len;
+        }
+        return ans;
+    }
+};