click here~~ **B. Inventory** time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Companies always have a lot of equipment, furniture and other things. All of them should be tracked. To do this, th…

time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Companies always have a lot of equipment, furniture and other things. All of them should be tracked. To do this, there is an inventory number ass…

题目链接: B. Inventory time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Companies always have a lot of equipment, furniture and other things. All of them should be tracked. To do this, there is…

原题: http://codeforces.com/contest/569/problem/B 题目: Inventory time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Companies always have a lot of equipment, furniture and other things. All of them s…

Codeforces Round #569 题解 CF1179A Valeriy and Deque 有一个双端队列,每次取队首两个值,将较小值移动到队尾,较大值位置不变.多组询问求第\(m\)次操作时队首两个数. 显然\(O(n)\)次以内队首变成了最大值,之后就循环了,暴力前\(O(n)\)个操作的答案即可 https://codeforces.com/contest/1179/submission/55878330 CF1179B Tolik and His Uncle 有一个\(n*m\…

A. Alex and a Rhombus 题目链接:http://codeforces.com/contest/1180/problem/A 题目: While playing with geometric figures Alex has accidentally invented a concept of an-th order rhombusin a cell grid.A1-st order rhombusis just a square1×1(i.e just a cell).An-…

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…

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 disapp…

A. Alex and a Rhombus time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output While playing with geometric figures Alex has accidentally invented a concept of a n-th order rhombus in a cell grid. A 1-s…

题目:Click here 题意:给你n,然后n个数,n个数中可能重复,可能不是1到n中的数.然后你用最少的改变数,让这个序列包含1到n所有数,并输出最后的序列. 分析:贪心. #include <bits/stdc++.h> using namespace std; ; int n; int a[M]; // 给定序列 int mark[M]; // mark[i] 表示i在给定序列中的出现次数 int notap[M]; // 给的序列中没有出现的元素 bool firstout; voi…