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http://acm.hdu.edu.cn/showproblem.php?pid=47822013成都区域赛全题PDF：http://acm.hdu.edu.cn/downloads/2013ChengduProblemSet.pdf题意：就标签里的不改，标签外的单词之间隔一个空格，按照标签来缩进... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=5072题意：给出N个数，求有多少个三元组，满足三个数全部两两互质或全部两两不互质。题解：http://dtyfc.com/acm/980我看的这个学会的……可以先求不满足要求的三元组数量，也就是abc，a和b互质，... 阅读全文
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http://acm.zju.edu.cn/onlinejudge/showContestProblems.do?contestId=358The 2014 ACM-ICPC Asia Mudanjiang Regional Contest136 - The 2014 ACM-ICPC Asia M... 阅读全文
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http://codeforces.com/gym/100405D题题在pdf里codeforces.com/gym/100405/attachments/download/2331/20132014-acmicpc-northwestern-european-regional-contest-nw... 阅读全文
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Bayan 2015 Contest Warm Up http://codeforces.com/contest/475A - Bayan Bus B - Strongly Connected City C - Kamal-ol-molk's Painting A. Bayan Bus题意：输入人数... 阅读全文
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http://acdream.info/problem?pid=1233Andrew Stankevich's Contest (3)ASC 3Royal FederationSpecial JudgeTime Limit: 10000/5000MS (Java/Others)Memory Limi... 阅读全文
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http://acdream.info/problem?pid=1421Andrew Stankevich Contest 22TV ShowSpecial JudgeTime Limit: 2000/1000MS (Java/Others)Memory Limit: 128000/64000KB ... 阅读全文
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http://codeforces.com/gym/100497codeforces2014-2015 CT S02E04: Codeforces Trainings Season 2 Episode 4 (US College Rockethon 2014 + COCI 2008-5 + GCJ ... 阅读全文
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Codeforces Round #270A - Design Tutorial: Learn from Math 题意：给出n，求出两个合数x和y使x+y=n。题解：暴力筛合数，然后暴力找 1 //#pragma comment(linker, "/STACK:102400000,10240000... 阅读全文
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http://acm.hdu.edu.cn/showproblem.php?pid=50092014网络赛 西安 比较难的题Paint PearlsTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Othe... 阅读全文