leetcode

0 class Solution {

1 public:

2 long long getDescentPeriods(const vector<int> &prices) const {

3 long long res = 1, cnt = 1;

4 const int n = prices.size();

5 for (int i = 1; i < n; i++) {

6 if (prices[i] + 1 != prices[i - 1]) cnt = 0;

7 res += ++cnt;

8 }

9 return res;

10 }

11 };