B. Mike and Children time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mike decided to teach programming to children in an elementary school. He knows that it is not an easy task to interest…
cf之路,1,Codeforces Round #345 (Div. 2) ps:昨天第一次参加cf比赛,比赛之前为了熟悉下cf比赛题目的难度.所以做了round#345连试试水的深浅..... 其实这个应该是昨天就写完的,不过没时间了,就留到了今天.. 地址:http://codeforces.com/contest/651/problem/A A. Joysticks time limit per test 1 second memory limit per test 256…
[CF简单介绍] 提交链接:http://codeforces.com/contest/560/problem/C 题面: C. Gerald's Hexagon time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Gerald got a very curious hexagon for his birthday. The bo…
A. Non-zero Description: Guy-Manuel and Thomas have an array \(a\) of \(n\) integers [\(a_1, a_2, \dots, a_n\)]. In one step they can add \(1\) to any element of the array. Formally, in one step they can choose any integer index \(i\) (\(1 \le i \le…
[CF简单介绍] 提交链接:http://codeforces.com/contest/560/problem/B 题面: B. Gerald is into Art time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Gerald bought two very rare paintings at the Sotheby's a…
[CF简单介绍] 提交链接:http://codeforces.com/contest/560/problem/A 题面: A. Currency System in Geraldion time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A magic island Geraldion, where Gerald lives,…
C. Vasya and String time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output -> Link <- 题目就不贴出来了,链接在上面: 题意:给定n,k,然后是一个长度为n的只含字母a.b的字符串,问至多改变k次使得一个子串字母都相同且长度最大,如所给样例: input 10 1 bbabbabbba output…
[CF简单介绍] 提交链接:A. Lala Land and Apple Trees 题面: A. Lala Land and Apple Trees time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Amr lives in Lala Land. Lala Land is a very beautiful country tha…
F. Frogs and mosquitoes time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output There are n frogs sitting on the coordinate axis Ox. For each frog two values xi, ti are known — the position and th…
E. Minimum spanning tree for each edge time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Connected undirected weighted graph without self-loops and multiple edges is given. Graph contains n …
D. Gadgets for dollars and pounds time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Nura wants to buy k gadgets. She has only s burles for that. She can buy each gadget for dollars or for po…
C. Load Balancing time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output In the school computer room there are n servers which are responsible for processing several computing tasks. You know the…
B. The Best Gift time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Emily's birthday is next week and Jack has decided to buy a present for her. He knows she loves books so he goes to the loc…
A. USB Flash Drives time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Sean is trying to save a large file to a USB flash drive. He has n USB flash drives with capacities equal to a1, a2, ...…
因为是unrated于是就叫划水记了,而且本场也就用了1h左右. A.B:划水去了,没做 C:大水题,根据初三课本中圆的知识,可以把角度化成弧长,而这是正多边形,所以又可以化成边数,于是假设读入为a,就是周长的a/180,gcd一下就行了,注意如果a/b这个分数满足a+1=b,那么就要ans*=2 #include<bits/stdc++.h> using namespace std; int main() { int T;scanf("%d",&T); while…
