Question: Longest Collatz sequence Problem 14 Problem 14 The following iterative sequence is defined for the set of positive integers: n → n/2 (n is e ...
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其他好文 时间:
2016-07-17 12:13:03
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322
Largest prime factor Problem 3 Problem 3 The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? ...
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2016-07-10 01:01:20
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Smallest multiple Problem 5 Problem 5 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What ...
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2016-07-10 00:54:01
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传送门
1024 矩阵中不重复的元素
题目来源: Project Euler
一个m*n的矩阵。该矩阵的第一列是a^b,(a+1)^b,…..(a + n - 1)^b
第二列是a^(b+1),(a+1)^(b+1),…..(a + n - 1)^(b+1)
…….
第m列是a^(b + m - 1),(a+1)^(b + m - 1),…..(a + n - 1)^(b + m - 1...
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其他好文 时间:
2016-06-29 11:21:17
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568
转载自 http://blog.jobbole.com/53039/ 每当成为入门CS课程(学生们学习编程语言的课程)的助教时,都困于提出好的练习题。Project Euler和类似的问题通常对初学者来说来难了,尤其是对于那些没有很强数学背景的同学。 在这篇文章中,Adrian Neumann 收集 ...
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其他好文 时间:
2016-06-11 21:21:06
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datetime此功能很好用。省去了计算的麻烦。 ...
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其他好文 时间:
2016-05-04 21:00:02
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133
The first two consecutive numbers to have two distinct prime factors are: 14 = 2 × 7 15 = 3 × 5 The first three consecutive numbers to have three dist
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其他好文 时间:
2016-03-07 10:10:09
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Diophantine reciprocals IIIn the following equation x, y, and n are positive integers.For n = 4 there are exactly three distinct solutions:It can be v...
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2016-01-24 16:55:31
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DartsIn the game of darts a player throws three darts at a target board which is split into twenty equal sized sections numbered one to twenty.The sco...
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2016-01-23 21:40:14
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Diophantine reciprocals IIn the following equation x, y, and n are positive integers.For n = 4 there are exactly three distinct solutions:What is the ...
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其他好文 时间:
2016-01-22 21:59:27
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322