3429-special-array-i 3435-block-placement-queries 3436-find-subarray-with-bitwise-or-closest-to-k 3438-peaks-in-array 3451-string-compression-iii 3454-minimum-operations-to-make-array-equal-to-target 3455-minimum-length-of-string-after-operations 3460-count-the-number-of-inversions 3466-number-o...
No_0530_Minimum Absolute Difference in BST No_0532_K-diff Pairs in an Array No_0535_Encode and Decode TinyURL No_0538_Convert BST to Greater Tree No_0540_Single Element in a Sorted Array No_0541_Reverse String II No_0543_Diameter of Binary Tree No_0554_Brick Wall No_...
. 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