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Barbarian tribesIn a lost land two primitive tribes coexist: Gareds and Kekas. Every summer solstice they meet and compete to decide which tribe will... 阅读全文
posted @ 2015-02-28 11:53 LLGemini 阅读(170) 评论(0) 推荐(0)
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There are lots of number games for children. These games are pretty easy to play but not so easy to make. We will discuss about an interesting game he... 阅读全文
posted @ 2015-02-27 19:22 LLGemini 阅读(186) 评论(0) 推荐(0)
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Beijing was once surrounded by four rings of city walls: the Forbidden City Wall, the Imperial City Wall, the Inner City Wall, and finally the Outer C... 阅读全文
posted @ 2015-02-27 14:46 LLGemini 阅读(367) 评论(0) 推荐(0)
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Problem A - AssembleTime limit: 2 secondsRecently your team noticed that the computer you use to practice for programming contests is not good enough ... 阅读全文
posted @ 2015-02-27 10:48 LLGemini 阅读(526) 评论(0) 推荐(0)
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【经典汉诺塔问题】 汉诺（Hanoi）塔问题：古代有一个梵塔，塔内有三个座A、B、C，A座上有64个盘子，盘子大小不等，大的在下，小的在上。有一个和尚想把这64个盘子从A座移到B座，但每次只能允许移动一个盘子，并且在移动过程中，3个座上的盘子始终保持大盘在下，小盘在上。在移动过程中可以利用B座，要... 阅读全文
posted @ 2015-02-26 22:54 LLGemini 阅读(422) 评论(0) 推荐(0)
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1030 - Image Is EverythingTime limit: 3.000 secondsYour new company is building a robot that can hold small lightweight objects. The robot will have t... 阅读全文
posted @ 2015-02-25 18:30 LLGemini 阅读(257) 评论(0) 推荐(0)
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A.水题数字翻转，将每一位大于等于5的数字t翻转成9-t，注意不要有前导0，且翻转后数字的位数不变（即9999->9000...刚开始以为应该翻转成0了= =） 1 #include 2 #include 3 #include 4 #include 5 using namespace std; 6 ... 阅读全文
posted @ 2015-02-15 16:59 LLGemini 阅读(156) 评论(0) 推荐(0)
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区间选点问题，即数轴上有n个闭区间[l1i, ri],取尽量少的点，使得每个区间内都至少有一个点。The Department of Recreation has decided that it must be more profitable, and it wants to sell advert... 阅读全文
posted @ 2015-02-05 17:43 LLGemini 阅读(290) 评论(0) 推荐(0)
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可以说是区间覆盖问题的例题...Note:区间包含+排序扫描； 要求覆盖区间[s, t]; 1、把各区间按照Left从小到大排序，如果区间1的起点大于s，则无解（因为其他区间的左起点更大）；否则选择起点在s的最长区间; 2、选择区间[li, ri]后，新的起点应更新为ri，并且忽略所有区间在r... 阅读全文
posted @ 2015-02-04 10:20 LLGemini 阅读(206) 评论(0) 推荐(0)
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FibonacciTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 795Accepted Submission(s): 213Problem Des... 阅读全文
posted @ 2015-02-02 00:34 LLGemini 阅读(197) 评论(0) 推荐(0)
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