#include <cstdio> #include <set> #include <string> #include <stack> #include <cmath> #include <climits> #include <map> #include <cstdlib> #include <iostream> #include <vector> #include <algorithm> #include <cstring> #include <bits/stdc++.h> usingnamespacestd; typedeflonglong(LL); ty...
今天在leetcode写了一个题 两数之和 这是AC代码 class Solution { public: vector<int> twoSum(vector<int>& nums, int target) { vector<int> a; map<int,int> p; for (int i=0; ... C++黑科技 i++ 赋值 c代码 转载 mb5fe191195f1f1 ...
STL提供的函数upper_bound, lower_bound能够快速找到这样的j的范围,因为set有序范围内的一定满足上面的条件. 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l...
今天在leetcode写了一个题 两数之和 这是AC代码 class Solution { public: vector<int> twoSum(vector<int>& nums, int target) { vector<int> a; map<int,int> p; for (int i=0; ... C++黑科技 i++ 赋值 c代码 转载 mb5fe191195f1f1 ...
#include<bits/stdc++.h>using namespacestd;typedefvector<unsignedint> vec;typedefvector<vec> mat; matmul(mat &a, mat &b){ matc(a.size(), vec(b[0].size(),0));for(inti=0; i<a.size(); ++ i) {for(intj=0; j<b[0].size(); ++ j) ...
225. Implement Stack using Queues 2483. Minimum Penalty for a Shop 2707. Extra Characters in a String 338. Counting Bits 403. Frog Jump 62. Unique Paths README.md stats.jsonBreadcrumbs Leetcode /2057-count-salary-categories / 2057-count-salary-categories.sqlLatest...
A set of practice note, solution, complexity analysis and test bench to leetcode problem set - leetcode/CountSubArrayFixBound.drawio at b58bcceb0ea27d0756ad72fb6a64b3b547fae221 · brianchiang-tw/leetcode