posted @ 2017-04-30 22:08 蓝空 阅读(154) 评论(0) 推荐(0) 编辑
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Game Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1421 Accepted Submission(s): 462 ... 阅读全文
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Friends Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 1356 Accepted Submission(s... 阅读全文
posted @ 2017-04-30 21:59 蓝空 阅读(195) 评论(0) 推荐(0) 编辑
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Joyful Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1295 Accepted Submission(s): 56... 阅读全文
posted @ 2017-04-30 20:22 蓝空 阅读(173) 评论(0) 推荐(0) 编辑
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Problem Description As this term is going to end, DRD needs to prepare for his final exams. DRD has n exams. They are all hard, but their diffi... 阅读全文
posted @ 2017-04-30 20:12 蓝空 阅读(537) 评论(0) 推荐(0) 编辑
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Mike does not want others to view his messages, so he find a encode method Base64. Here is an example of the note in Chinese Passport. The M... 阅读全文
posted @ 2017-04-30 20:01 蓝空 阅读(171) 评论(0) 推荐(0) 编辑
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Balanced numbers have been used by mathematicians for centuries. A positive integer is considered a balanced number if: 1) Every even di... 阅读全文
posted @ 2017-04-30 19:50 蓝空 阅读(176) 评论(0) 推荐(0) 编辑
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昨天在敲一个数位DP的问题,但是用到了这个坑D的问题,找了半天错,还以为又是什么奇怪的算法,结果发现思路一致,然后自己各种YY修改,最后不得不和正确答案比对,但是最后发现标准答案和自己的想法几乎一模一样,最后一个函数一个函数替换比对,发现问题竟然出在了pow函数上。 其实很早之前再A题的时候... 阅读全文
posted @ 2017-04-30 19:50 蓝空 阅读(1074) 评论(0) 推荐(0) 编辑
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单身! 依然单身! 吉哥依然单身! DS级码农吉哥依然单身! 所以,他生平最恨情人节,不管是214还是77,他都讨厌! 吉哥观察了214和77这两个数,发现: 2+1+4=7 7+7=7*2 77=7*11 最终,他发现原来这一切归根到底都是因为和7有关!所以,他现在... 阅读全文
posted @ 2017-04-28 17:01 蓝空 阅读(162) 评论(0) 推荐(0) 编辑