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; ...
C++元素计数count() algostuff.hpp testCount.cpp vec1: 1 2 3 4 5 6 7 8 9number of elements equal to 4: 1number of elements with even value: 4number of ele #include c++ ios #define #ifndef 转载 mb5ff5933087b38 2020-01-02 20:04:00 ...
C++元素计数count() algostuff.hpp testCount.cpp vec1: 1 2 3 4 5 6 7 8 9number of elements equal to 4: 1number of elements with even value: 4number of ele #include c++ ios #define #ifndef 转载 mb5ff5933087b38 2020-01-02 20:04:00 ...
Given a set of digits S, and an integer n, you have to find how many n-digit integers are there, which contain digits that belong to S and the difference between any two adjacent digits is not more than two. Input Input starts with an integer T (≤ 300), denoting the number of te...
1431-all-ancestors-of-a-node-in-a-directed-acyclic-graph 1433-encrypt-and-decrypt-strings 1435-xor-queries-of-a-subarray 1447-jump-game-iv 1452-restaurant-growth 1456-find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance 1460-number-of-substrings-containing-all-three-cha...
A set of practice note, solution, complexity analysis and test bench to leetcode problem set - leetcode/CountSubArrayFixBound.drawio at b58bcceb0ea27d0756ad72fb6a64b3b547fae221 · brianchiang-tw/leetcode