James Pan

原题网址：https://leetcode.com/problems/count-of-range-sum/ Given an integer array nums, return the number of range sums that lie in [lower, upper] inclusive. Range sum S(i, j) is defined as the su

原题网址：https://leetcode.com/problems/sort-colors/ Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order re

原题网址：https://leetcode.com/problems/count-of-smaller-numbers-after-self/ You are given an integer array nums and you have to return a new counts array. The counts array has the property where coun