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Sliding window concept:
- dalokrockstar February 07, 2020Use double ended queue and maintain these steps.
1. Keep this in sorted order(Descending order).
2. Whenever new element comes then check from tail if new element is greater than tail element of deque then pop tail element and pushed new element and keep poping element until you find greated element in deque from tail.
3. Again Keep poping element from front of deque if front element is not within the time frame x.
4. To get the costlier order, left element of deque is your required answer.