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Time Zone
Problem DescriptionChiaki often participates in international competitive programming contests. The time zone becomes a big problem.Given a time in Beijing time (UTC +8), Chiaki would like to know ...原创 2018-07-23 21:09:08 · 308 阅读 · 0 评论 -
Diff-prime Pairs
链接：https://www.nowcoder.com/acm/contest/141/H题目描述Eddy has solved lots of problem involving calculating the number of coprime pairs within some range. This problem can be solved with inclusion-excl...原创 2018-07-27 10:23:09 · 267 阅读 · 0 评论 -
max
链接：https://www.nowcoder.com/acm/contest/143/G题目描述Give two positive integer c, n. You need to find a pair of integer (a,b) satisfy 1<=a,b<=n and the greatest common division of a and b is c.A...原创 2018-08-02 21:29:50 · 216 阅读 · 0 评论 -
A. Doggo Recoloring
http://codeforces.com/contest/1025/problem/A Panic is rising in the committee for doggo standardization — the puppies of the new brood have been born multi-colored! In total there are 26 possible ...原创 2018-08-20 21:27:28 · 214 阅读 · 0 评论 -
2016 ICPC EC-Final 上海
A：Number Theory Problem题意：求比2^N小的，敲好等于(2^k)-1的同时是7的倍数的个数分析：暴力打表找出规律代码：#include<bits/stdc++.h>#define ll long long#define inf 0x3f3f3f3fusing namespace std;const int maxn=200010;...原创 2018-10-07 15:02:25 · 607 阅读 · 0 评论 -
String of CCPC【2017年CCPC 秦皇岛】【ZOJ3985】
链接：http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3985BaoBao has just found a string To make this string more valuable, BaoBao decides to buy some characters from a character store. ...原创 2018-10-26 11:15:21 · 166 阅读 · 0 评论 -
hdu 6077 Time To Get Up【大模拟】
题目链接Time To Get UpTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1226 Accepted Submission(s): 852 Problem DescriptionLittle Q's ...原创 2018-11-14 21:17:30 · 285 阅读 · 0 评论 -
hdu 6075 Questionnaire【贪心】
题目链接QuestionnaireTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1204 Accepted Submission(s): 800Special Judge Problem Description...原创 2018-11-14 21:23:01 · 260 阅读 · 0 评论