最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 68249 Accepted Submission(s): 26499 Problem Description 某国为了防御敌国的导弹袭击,发展出一种导弹拦截系统.但是这种导弹拦截系统有一个缺陷:虽然它的第一发炮弹能够到达任意的高度,但是以后每一发炮弹都不能超过前一发的高…
传送门:http://acm.hdu.edu.cn/showproblem.php?pid=1257 最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 62100 Accepted Submission(s): 24227…
Longest Ordered Subsequence A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence ( a1, a2, ..., aN) be any sequence ( ai1, ai2, ..., aiK), where 1 <= i1 < i2 < ... < iK <= N.…
解题思路:可以转化为求最长上升子序列来做,还是可以用an与按升序排列后的an求LCS来做,为防止超时,用滚动数组优化一下就可以了. 最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 20625 Accepted Submission(s): 8174 Problem Description 某国为了防御敌国的导弹袭击,…
最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 35053 Accepted Submission(s): 13880 Problem Description 某国为了防御敌国的导弹袭击,发展出一种导弹拦截系统.但是这种导弹拦截系统有一个缺陷:虽然它的第一发炮弹能够到达任意的高度,但是以后每一发炮弹都不能超过前一发的…
链接: http://acm.hdu.edu.cn/showproblem.php?pid=1257 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28195#problem/D 最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 12863 Accepted…