Rotate List
Given the head of a singly linked list and an integer k, rotate the linked list to the right by k places. The rotation means moving the last k nodes…
Reverse Linked List
Given the head of a singly linked list, reverse the list in-place and return the new head of the reversed linked list.
Meeting Scheduler
You are given the availability of two people's schedules, represented as lists of intervals . Each interval represents the available time for each person, and it is a closed interval…
Meeting Rooms II
Given a list of meeting intervals, represented as pairs of integers , where start denotes the start time of the meeting and end denotes the end time of the meeting,…
Meeting Rooms
Given a list of meeting intervals, represented as pairs of integers , where start denotes the start time of the meeting and end denotes the end time of the meeting,…
Employee Free Time
You are given a list of employees’ working hours as a list of intervals. Each interval represents the working hours of an employee, and it is a closed interval (inclusive)…
Interval List Intersections
An intersection is a closed interval that represents the overlap between two intervals. If there is no intersection, the result should be an empty list.
Insert Intervals
Given a collection of non-overlapping intervals, represented as pairs of integers , where start denotes the start time of the interval and end denotes the end time of the interval,…
Merge Intervals
Given a collection of intervals, represented as pairs of integers , where start denotes the start time of the interval and end denotes the end time of the interval. Merge…
Non-Overlapping Intervals.
Given a collection of intervals, represented as pairs of integers , where start denotes the start time of the interval and end denotes the end time of the interval. Find…