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摘要: Game Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 221 Accepted Submission(s): 153 Problem Desc 阅读全文
posted @ 2018-07-26 00:11 #忘乎所以# 阅读(200) 评论(0) 推荐(0)
摘要: Swaps and Inversions Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 464 Accepted Submission(s): 阅读全文
posted @ 2018-07-26 00:09 #忘乎所以# 阅读(194) 评论(0) 推荐(0)
摘要: Time Zone Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2049 Accepted Submission(s): 636 Proble 阅读全文
posted @ 2018-07-25 10:58 #忘乎所以# 阅读(230) 评论(0) 推荐(0)
摘要: Triangle Partition Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1107 Accepted Submission(s): 阅读全文
posted @ 2018-07-25 10:56 #忘乎所以# 阅读(125) 评论(0) 推荐(0)
摘要: Maximum Multiple Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1576 Accepted Submission(s): 677 阅读全文
posted @ 2018-07-25 10:53 #忘乎所以# 阅读(91) 评论(0) 推荐(0)
摘要: Distinct Values Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2858 Accepted Submission(s): 923 阅读全文
posted @ 2018-07-24 20:53 #忘乎所以# 阅读(353) 评论(0) 推荐(0)
摘要: 1逆序数一波: 在一个排列中,如果一对数的前后位置与大小顺序相反,即前面的数大于后面的数,那么它们就称为一个逆序。一个排列中逆序的总数就称为这个排列的逆序数。一个排列中所有逆序总数叫做这个排列的逆序数。也就是说,对于n个不同的元素,先规定各元素之间有一个标准次序(例如n个 不同的自然数,可规定从小到 阅读全文
posted @ 2018-07-21 20:38 #忘乎所以# 阅读(257) 评论(0) 推荐(0)
摘要: Color the ball Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 26656 Accepted Submission(s): 1291 阅读全文
posted @ 2018-07-21 08:49 #忘乎所以# 阅读(137) 评论(0) 推荐(0)
摘要: Cube Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 2614 Accepted Submission(s): 1314 Problem D 阅读全文
posted @ 2018-07-20 21:47 #忘乎所以# 阅读(226) 评论(0) 推荐(0)
摘要: 树状数组 基本概念 Binary Indexed Tree二叉索引树它的查询和修改的时间复杂度都是log(n),空间复杂度则为O(n). 二进制操作 如上图所示,可以写出下列式子:C1 = A1C2 = A1 + A2C3 = A3C4 = A1 + A2 + A3 + A4C5 = A5C6 = 阅读全文
posted @ 2018-07-20 16:10 #忘乎所以# 阅读(164) 评论(0) 推荐(0)
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