ACM試題Problem K:Ones
Description
Given any integer 0 <= n <= 10000 not divisible by 2 or 5, some multiple of n is a number which in decimal notation is a sequence of 1 s. How many digits are in the smallest such a multiple of n?
VTS(VisuaI Test Shelf) V3.4.7的源代碼。VTS是美國國家聯邦實驗室N.I.S.T.所開發的BACnet協議下的報文的測試工具。BACnet（A Data Communication Protocol for
Building Automation and Control Network）是由美國采暖、制冷和空調工程師協會制定的開放樓宇自動控制網絡數據通信協議。
