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摘要: Problem 28 https://projecteuler.net/problem=28 Starting with the number 1 and moving to the right in a clockwise direction a 5 by 5 spiral is formed a 阅读全文
posted @ 2019-06-17 18:48 no樂on 阅读(225) 评论(0) 推荐(0) 编辑
摘要: Problem 30 https://projecteuler.net/problem=30 Surprisingly there are only three numbers that can be written as the sum of fourth powers of their digi 阅读全文
posted @ 2019-06-17 18:13 no樂on 阅读(133) 评论(0) 推荐(0) 编辑
摘要: Problem 29 Consider all integer combinations of ab for 2 ≤ a ≤ 5 and 2 ≤ b ≤ 5: 仔细看看以下a与b的组合 If they are then placed in numerical order, with any repe 阅读全文
posted @ 2019-06-17 18:09 no樂on 阅读(186) 评论(0) 推荐(0) 编辑
摘要: 关键字 阅读全文
posted @ 2019-06-16 15:12 no樂on 阅读(263) 评论(0) 推荐(0) 编辑
摘要: Problem 21 https://projecteuler.net/problem=21 Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n) 阅读全文
posted @ 2019-06-16 13:44 no樂on 阅读(158) 评论(0) 推荐(0) 编辑
摘要: Problem 34 https://projecteuler.net/problem=34 145 is a curious number, as 1! + 4! + 5! = 1 + 24 + 120 = 145. 145是一个神奇的数字,1! + 4! + 5! = 1 + 24 + 120 阅读全文
posted @ 2019-06-16 13:04 no樂on 阅读(147) 评论(0) 推荐(0) 编辑
摘要: Problem 42 https://projecteuler.net/problem=42 The nth term of the sequence of triangle numbers is given by, tn = ½n(n+1); so the first ten triangle n 阅读全文
posted @ 2019-06-16 12:47 no樂on 阅读(111) 评论(0) 推荐(0) 编辑
摘要: Problem 19 阅读全文
posted @ 2019-06-15 21:07 no樂on 阅读(244) 评论(0) 推荐(0) 编辑
摘要: Problem 52 阅读全文
posted @ 2019-06-15 20:16 no樂on 阅读(219) 评论(0) 推荐(0) 编辑
摘要: 帕斯卡三角(Psacal's Triangle) # 另一种打印方式(更好的打印方法,如果使用第一种打印方法来打印20行的帕斯卡三角形的话误差会比较大) # 20行效果图 阅读全文
posted @ 2019-06-09 14:20 no樂on 阅读(796) 评论(0) 推荐(0) 编辑
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