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Re:见内In Reply To:见内 Posted by:lunatic at 2007-09-29 14:59:52 我就是这样~~tle地~~ > 等于判断[l..r]这一段中段 <= t的个数 > 分治的话就是序列切两半，先递归求解，然后求跨过中间的，跨过中间的就是把两边部分和排序扫描一遍 > 线段树的话就是统计部分和．． Followed by: Post your reply here: |
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