Design an algorithm that collects daily price quotes for some stock and returns the span of that stock's price for the current day.
Given string num representing a non-negative integer num, and an integer k, return the smallest possible integer after removing k digits from num.
Design your implementation of the circular queue. The circular queue is a linear data structure in which the operations are performed based on FIFO (First In First Out) principle, and the last position is connected back to the first position to make a circle. It is also called "Ring Buffer".
Spring에서 transactionManager와 entityManager 차이에 대해 아시나요?
(모른다면) 우리 같이 차이에 대해 알아봅시다 !
Given an array intervals where intervals[i] = [li, ri] represent the interval [li, ri), remove all intervals that are covered by another interval in the list.
The interval [a, b) is covered by the interval [c, d) if and only if c <= a and b <= d.
Return the number of remaining intervals.