free斩

原题链接：http://acm.hdu.edu.cn/showproblem.php?pid=1166 敌兵布阵 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 23954    Accepted Submission(s)

链接: http://acm.hdu.edu.cn/showproblem.php?pid=3874 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28619#problem/A Necklace Time Limit: 15000/5000 MS (Java/Others)    Memory

原题链接：http://poj.org/problem?id=3928 我的链接：http://acm.hust.edu.cn/vjudge/contest/view.action?cid=20357#problem/A Ping pong Time Limit: 1000MS   Memory Limit: 65536K Total Submissio

链接： http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=1610 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28619#problem/F Count the Colors Time Limit: 2 Seconds

链接: http://acm.hdu.edu.cn/showproblem.php?pid=1541 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28619#problem/C Stars Time Limit: 2000/1000 MS (Java/Others)    Memory Limi

Balanced Lineup Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 26435   Accepted: 12401 Case Time Limit: 2000MS Description For the daily milking, Farme

逆序数对

链接： http://acm.hdu.edu.cn/showproblem.php?pid=2227 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28619#problem/B Find the nondecreasing subsequences Time Limit: 10000/5000

树状数组求逆序数对和正序数对