屯题 (bestcoder #62~#75)
数据结构：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=676&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=674&pid=1004 (涉及数论)
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=665&pid=1004
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=661&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=653&pid=1004 (莫队)
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=648&pid=1003
图论：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=677&pid=1005 (费用流)
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=654&pid=1005 (网络流)
dp：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=677&pid=1004 (dp or 打表)
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=677&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=674&pid=1002
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=662&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=662&pid=1004
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=663&pid=1004 (FFT)
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=659&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=653&pid=1002
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=651&pid=1001
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=651&pid=1002
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=648&pid=1002
数学：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=672&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=672&pid=1004
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=670&pid=1002
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=659&pid=1004
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=651&pid=1003
思维题：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=676&pid=1002
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=672&pid=1002
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=665&pid=1003
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=661&pid=1004
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=653&pid=1003
细节题：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=674&pid=1003
水题：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=675&pid=1001
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=675&pid=1002
难题：
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=676&pid=1004
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=651&pid=1004 (点分治)
http://bestcoder.hdu.edu.cn/contests/contest_chineseproblem.php?cid=648&pid=1004
