Prime精品文章

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  線性素數(shù)篩選（linear sieve for prime number）

  ...2+1): if num % i == 0: return 0 return 1 def find_prime(): num = 1 count = 0 # find the 20000th prime in the world! primeCount = 20000 while count < pri...

  biaoxiaoduan 2019-07-24 18:07 評論0 收藏0
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  歐拉函數(shù)(Euler' totient function )

  ...eulerlib.numtheory.Divisors(maxnum=1000) Implements methods related to prime factors and divisors. Parameters: maxnum – Upper limit for the list of primes. (default = 1000) divisors...

  lewinlee 2019-07-31 12:23 評論0 收藏0
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  Leetcode PHP題解--D57 762. Prime Number of Set Bits

  D57 762. Prime Number of Set Bits in Binary Representation 題目鏈接 762. Prime Number of Set Bits in Binary Representation 題目分析 對給定范圍內(nèi)的每個整數(shù)，返回其二進制形式下，數(shù)字1出現(xiàn)的次數(shù)為質(zhì)數(shù)的次數(shù)。 例如11111，1出現(xiàn)了5次，5是質(zhì)數(shù)。 ...

  Cobub 2019-07-01 12:45 評論0 收藏0
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  [LintCode] Kth Prime Number

  Problem Given the prime number n, output the number of prime numbers Notice n

  z2xy 2019-08-15 14:25 評論0 收藏0
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  [Leetcode] Count Primes 數(shù)素數(shù)

  Count Primes Description: Count the number of prime numbers less than a non-negative number, n. 埃拉托斯特尼篩法 Sieve of Eratosthenes 復(fù)雜度 時間 O(NloglogN) 空間 O(N) 思路 如果一個數(shù)是另一個數(shù)的倍數(shù)，那這個數(shù)肯定不是素數(shù)。利用這個性質(zhì)，我們...

  Achilles 2019-08-14 12:28 評論0 收藏0
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  javascript 哈希樹

  ... constructor(){ this.root = {} } insert(key, value){ var primes = [2,3,5,7,11,13,17,19,23,29], cur = this.root for(var i = 0; i < 10; i++){ var prime = primes[i] ...

  張春雷 2019-08-22 14:04 評論0 收藏0
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  lombok:推薦使用的編譯時Getter/Setter等類似代碼生成庫

  ...ue; } @Override public int hashCode() { final int PRIME = 59; int result = 1; final long temp1 = Double.doubleToLongBits(this.getScore()); result...

  dance 2019-08-14 15:42 評論0 收藏0
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  leetcode-313-Super Ugly Number

  ...些數(shù)為公因數(shù)的 遞增排序的第n個數(shù) 條件：indexes 維護了 primes的元素的相乘因素（uglies）的index。 思路：每次從 primes的遍歷*中，找出最小的一個ugly，添加到uglies中去，然后將 indexes維護的primes的相乘對象的索引表中，找出這個...

  張春雷 2019-07-30 17:35 評論0 收藏0
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  SpringBoot優(yōu)雅編碼之：Lombok加持

  ... return true; } @Override public int hashCode() { final int PRIME = 59; int result = 1; final long temp1 = Double.doubleToLongBits(this.getScore()); result = (result*PRIM...

  olle 2019-08-15 15:18 評論0 收藏0
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  264. Ugly NumberII & 313. Super Ugly Number

  ...gram to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For example, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12 is the sequence of the first 10 ugly numbe...

  Lionad-Morotar 2019-08-14 14:06 評論0 收藏0
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  Lombok介紹、使用方法和總結(jié)

  ... return true; } @Override public int hashCode() { final int PRIME = 59; int result = 1; final long temp1 = Double.doubleToLongBits(this.getScore()); result = (result*PRIM...

  30e8336b8229 2019-08-19 10:16 評論0 收藏0