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ProjectEuler

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关于 SiYuan v3.1.12 后默认自动清理超过 180 天快照的调查
目前思源加入了自动的快照清理功能，触发时机如下：手动触发同步每 24 小时执行一次默认的配置是保留 180 天内的快照，每天保留两份。在启动、退出时的同步不会触发，但是 30s 的自动同步会触发。我个人不喜欢这个设计，因此以下的描述可能会有偏颇。不喜欢的原因如下：清理功能是自动的且没有开关默认开启，这导致假 ..

475 1 天前
Reciprocal cycles
[图片] Project Euler 第 26 题 Question A unit fraction contains 1 in the numerator. The decimal representation of the unit fractions with denominators 2 to 10 are g ..

101 4 年前
Amicable numbers
[图片] Project Euler 第 21 题 Question Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n). If d(a) = b and d(b) ..

95 4 年前
Maximum path sum I
[图片] Project Euler 第 18 题 Question By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to b ..

92 4 年前
Longest Collatz sequence
[图片] Project Euler 第 14 题 Question The following iterative sequence is defined for the set of positive integers: n → n/2 (n is even) n → 3n + 1 (n is odd) Using ..

116 4 年前