Minimum Transport Cost Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8860 Accepted Submission(s): 2331 Problem Description These are N cities in Spring country. Between each pair of cities…
题目: The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon and Gang Snake. However, the police first needs to identify which gang a criminal belongs to. The present questio…
To stay woke and attentive during classes, Karen needs some coffee! Karen, a coffee aficionado, wants to know the optimal temperature for brewing the perfect cup of coffee. Indeed, she has spent some time reading several recipe books, including the u…
lldb报错:Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection <__NSArrayM: 0x7f9a5a47dda0> was mutated while being enumerated.' bug代码: //判断是否存在,存在就删除 for (NSDictionary *dic in userAccountPwdMutalDatas) { if ([dic obj…
题目1 : Visiting Peking University 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 Ming is going to travel for n days and the date of these days can be represented by n integers: 0, 1, 2, …, n-1. He plans to spend m consecutive days(2 ≤ m ≤ n)in Beijing. During…
The Suspects Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 24134 Accepted: 11787 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. T…
1048 Find Coins (25 分) Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she visited a universal shopping mall which could accept all kinds of coins as payments. However, there was a special requ…
处理出前缀和,枚举k的幂,然后从前往后枚举,把前面的前缀和都塞进map,可以方便的查询对于某个右端点,有多少个左端点满足该段区间的和为待查询的值. #include<cstdio> #include<map> using namespace std; typedef long long ll; map<ll,int>cnts; int n,m,e; ll a[100010],ans; ll b[1001]; int main() { // freopen("c…
E. XOR and Favorite Number time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pai…