1730-special-array-with-x-elements-greater-than-or-equal-x 1734-bank-account-summary-ii 1744-number-of-ways-to-form-a-target-string-given-a-dictionary 1755-defuse-the-bomb 1764-maximum-repeating-substring 1765-merge-in-between-linked-lists 1767-design-front-middle-back-queue 1775-design-an-o...
A set of practice note, solution, complexity analysis and test bench to leetcode problem set - leetcode/CountSubArrayFixBound.drawio at b58bcceb0ea27d0756ad72fb6a64b3b547fae221 · brianchiang-tw/leetcode
. Give an algorithm to count the number of significant inversions between two orderings. The array contains N elements . All elements are in the range from 1 to 1,000,000,000. Input The first line contains one integer , indicating the size of the array. The second line contains ...
讲人话一点就是对于一个集合[0,1,2,...n−1]，找出有多少种排列方式（不妨记其中一种为arr），都满足对于任意的requirements[i]，有arr从下标0到requirements[i][0]的切片中，正好有requirements[i][1]个逆序数对。玛卡