100L $700# PhotoGear - 摄影器材
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今天做的。programming的题目。其他的题目都很简单,就这道题没想出来除了枚举有
什么好办法?
4.Additive numbers are defined to be a positive integer whose digits form an
additive sequence. E.g. 11235 (1+1=2, 1+2=3, 2+3=5). What makes it
difficult is that 12,122,436 is also one (12+12=24, 12+24=36). Given a range
of integers, find all the additive numbers in that range.
什么好办法?
4.Additive numbers are defined to be a positive integer whose digits form an
additive sequence. E.g. 11235 (1+1=2, 1+2=3, 2+3=5). What makes it
difficult is that 12,122,436 is also one (12+12=24, 12+24=36). Given a range
of integers, find all the additive numbers in that range.