problem ones.htm

来自「ACM精彩程序01(University_of_Waterloo_2_June_」· HTM 代码 · 共 19 行

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0044)http://plg.uwaterloo.ca/~acm00/010602/E.html -->
<HTML><HEAD><TITLE>Problem : Ones</TITLE>
<META http-equiv=Content-Type content="text/html; charset=GB18030">
<META content="MSHTML 6.00.2900.2963" name=GENERATOR></HEAD>
<BODY><IMG src="Problem  Ones.files/one.gif" align=right> <IMG 
src="Problem  Ones.files/two.gif" align=left> 
<H3>Problem E - Ones</H3>Given any integer 0 &lt;= n &lt;= 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? 
<H3>Sample input</H3><PRE>3 
7 
9901
</PRE>
<H3>Output for sample input</H3><PRE>3
6
12
</PRE><IMG src="Problem  Ones.files/three.gif" align=center> </BODY></HTML>

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