James Pan

原题网址：https://leetcode.com/problems/merge-k-sorted-lists/Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.方法：使用最小堆维护当前最小值。/** * Definition fo

原题网址：https://www.hackerrank.com/challenges/cut-the-sticksYou are given  sticks, where the length of each stick is a positive integer. A cut operation is performed on the sticks such that a

原题网址：https://leetcode.com/problems/range-addition/Assume you have an array of length n initialized with all 0's and are given k update operations.Each operation is represented as a triplet: 

原题网址：https://leetcode.com/problems/find-median-from-data-stream/Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is

原题网址：https://leetcode.com/problems/super-ugly-number/Write a program to find the nth super ugly number.Super ugly numbers are positive numbers whose all prime factors are in the given prime

原题网址：https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons/There are a number of spherical balloons spread in two-dimensional space. For each balloon, provided input is the st