Question Link : https://leetcode.com/problems/check-if-grid-can-be-cut-into-sections/

Difficulty: Medium

Premium: False

Question

You are given an integer n representing the dimensions of an n x n grid, with the origin at the bottom-left corner of the grid. You are also given a 2D array of coordinates rectangles, where rectangles[i …

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Question Link : https://leetcode.com/problems/meeting-rooms-ii/

Difficulty: Medium

Premium: True

Question

Given an array of meeting time intervals intervals where intervals[i] = [starti, endi], return the minimum number of conference rooms required.   Example 1: Input: intervals = [[0,30],[5,10],[15,20]] Output: 2 Example 2: Input: intervals = [[7 …

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Question Link : https://leetcode.com/problems/merge-intervals/

Difficulty: Medium

Question

Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.   Example 1:

Input: intervals = [[1,3],[2,6],[8,10 …

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Question Link : https://leetcode.com/problems/insert-interval/

Difficulty: Medium

Question

You are given an array of non-overlapping intervals intervals where intervals[i] = [starti, endi] represent the start and the end of the ith interval and intervals is sorted in ascending order by starti. You are also given an interval newInterval …

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Question Link : https://leetcode.com/problems/non-overlapping-intervals/

Difficulty: Medium

Question

Given an array of intervals intervals where intervals[i] = [starti, endi], return the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping.   Example 1:

Input: intervals = [[1,2],[2,3],[3,4],[1 …

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Question Link : https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons/

Difficulty: Medium

Question

There are some spherical balloons taped onto a flat wall that represents the XY-plane. The balloons are represented as a 2D integer array points where points[i] = [xstart, xend] denotes a balloon whose horizontal diameter stretches between xstart and xend …

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Question Link : https://leetcode.com/problems/teemo-attacking/

Difficulty: Easy

Question

Our hero Teemo is attacking an enemy Ashe with poison attacks! When Teemo attacks Ashe, Ashe gets poisoned for a exactly duration seconds. More formally, an attack at second t will mean Ashe is poisoned during the inclusive time interval …

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