1370-count-number-of-nice-subarrays 1387-find-elements-in-a-contaminated-binary-tree 1393-maximum-value-of-k-coins-from-piles 1394-minimum-path-cost-in-a-grid 1402-count-square-submatrices-with-all-ones 1408-find-the-smallest-divisor-given-a-threshold 1415-students-and-examinations 1431-all-a...
set使用红黑树来实现,因此上面的操作时间复杂度O(logN). 所以总的时间复杂度为O(NlogN). **/intLeetCode::countRangeSum(vector<int>& nums,intlower,intupper){ multiset<longlong>sums;//注意使用long long防止溢出longlongsum =0L;intresult =0; sums.insert(0);//插入第0个和for(size_t i =0; ...
A set of practice note, solution, complexity analysis and test bench to leetcode problem set - leetcode/CountSubArrayFixBound.drawio at b58bcceb0ea27d0756ad72fb6a64b3b547fae221 · brianchiang-tw/leetcode
0186-Reverse-Words-in-a-String-II 0188-Best-Time-to-Buy-and-Sell-Stock-IV 0189-Rotate-Array 0191-Number-of-1-Bits 0198-House-Robber 0200-Number-of-Islands 0202-Happy-Number 0203-Remove-Linked-List-Elements 0205-Isomorphic-Strings 0206-Reverse-Linked-List 0207-Course-Sch...