wurlin的博客

A city’s skyline is the outer contour of the silhouette formed by all the buildings in that city when viewed from a distance. Now suppose you are given the locations and height

Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.

Difficulty:Medium Description Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operator

Difficulty:Hard Description There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be O(log (m+