传送门:http://acm.hdu.edu.cn/showproblem.php?pid=6464 免费送气球 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 264 Accepted Submission(s): 53 Problem Description 又到了GDUT一年一度的程序设计竞赛校赛的时间啦.同学们只要参加校赛,…
最近在线段树的世界里遨游,什么都能用线段树做,这不又一道权值线段树了么. ZYB's Premutation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1029 Accepted Submission(s): 528 Problem Description ZYB has a premutation P ,but he o…
免费送气球 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 566 Accepted Submission(s): 129 Problem Description 又到了GDUT一年一度的程序设计竞赛校赛的时间啦.同学们只要参加校赛,并且每解出一道题目就可以免费获得由ACM协会和集训队送出的气球一个.听到这个消息,JMC也想参加免费…
D. Restore Permutation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An array of integers p1,p2,…,pnp1,p2,…,pn is called a permutation if it contains each number from 11 to nn exactly on…