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【leetcode-sql】569-571、574、577-579
569. 员工薪水中位数 Employee 表包含所有员工。Employee 表有三列：员工Id，公司名和薪水。 +-----+------------+--------+ |Id | Company | Salary | +-----+------------+--------+ |1 | A | 2341 | |2 | A | 341 | |3 | A |Codeforces Round #569 (Div. 2) B. Nick and Array
链接： https://codeforces.com/contest/1180/problem/B 题意： Nick had received an awesome array of integers a=[a1,a2,…,an] as a gift for his 5 birthday from his mother. He was already going to explore its various properties but after unpacking he was disappointeCodeforces Round #569 (Div. 2) C. Valeriy and Deque
链接： https://codeforces.com/contest/1180/problem/C 题意： Recently, on the course of algorithms and data structures, Valeriy learned how to use a deque. He built a deque filled with n elements. The i-th element is ai (i = 1,2,…,n). He gradually takes the firsCodeforces Round #569 (Div. 2)
A. Alex and a Rhombus 规律思维 #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<ld,ld> pdd; #define FI first #define S secondCodeforces Round #569 (Div. 2) A. Alex and a Rhombus
Codeforces Round #569 (Div. 2) A. Alex and a Rhombus While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid. A 1-st order rhombus is just a square 1×1 (i.e just a cell). A n-th order rhomCodeforces Round #569 (Div. 2) B. Nick and Array
Codeforces Round #569 (Div. 2) B. Nick and Array Nick had received an awesome array of integers a=[a1,a2,…,an] as a gift for his 5 birthday from his mother. He was already going to explore its various properties but after unpacking he was disappointed