HDU How many prime numbers Give you a lot of positive integers, just to find out how many prime numbers there are. 根据费马小定理 要求 P 是质数 虽然不是充要条件 但实际上可以根据这 ...
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编程语言 时间:
2019-08-10 12:10:06
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85
John never knew he had a grand-uncle, until he received the notary's letter. He learned that his late grand-uncle had gathered a lot of money, somewhe ...
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其他好文 时间:
2019-08-09 21:25:08
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71
The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. ...
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其他好文 时间:
2019-08-09 01:38:39
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88
"更好的阅读体验" Portal Portal1: "Codeforces" Portal2: "Luogu" <! more Description Petya loves lucky numbers. Everybody knows that lucky numbers are positive ...
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其他好文 时间:
2019-08-07 22:43:13
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118
When HP announced July 28 that it was acquiring ActiveState's PaaS business, senior vice president Bill Hilf said it was doing so in part to bridge th ...
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其他好文 时间:
2019-08-07 14:44:10
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139
permutation 2 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description You are given three positive inte ...
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其他好文 时间:
2019-08-05 20:33:43
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402
Portal Portal1: "Codeforces" Portal2: "Luogu" Description The Little Elephant loves playing with arrays. He has array $a$, consisting of $n$ positive ...
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其他好文 时间:
2019-08-05 14:02:37
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83
1136 A Delayed Palindrome (20 分) 1136 A Delayed Palindrome (20 分) 1136 A Delayed Palindrome (20 分) Consider a positive integer N written in standard n ...
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其他好文 时间:
2019-08-03 21:41:12
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105
The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elev ...
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其他好文 时间:
2019-08-03 11:19:56
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104