📄 1019 -- number sequence.htm
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<P align=center><FONT color=blue size=5>Number Sequence</FONT> <BR>Time
Limit:1000MS Memory Limit:10000K<BR>Total Submit:2167 Accepted:497
</P>
<P><FONT color=blue size=5>Description</FONT><BR><FONT
face="Times New Roman" size=3>A single positive integer i is given. Write
a program to find the digit located in the position i in the sequence of
number groups S1S2...Sk. Each group Sk consists of a sequence of positive
integer numbers ranging from 1 to k, written one after another. <BR>For
example, the first 80 digits of the sequence are as follows:
<BR>11212312341234512345612345671234567812345678912345678910123456789101112345678910</FONT></P>
<P><FONT color=blue size=5>Input</FONT><BR><FONT face="Times New Roman"
size=3>The first line of the input file contains a single integer t (1 ≤ t
≤ 10), the number of test cases, followed by one line for each test case.
The line for a test case contains the single integer i (1 ≤ i ≤
2147483647)</FONT></P>
<P><FONT color=blue size=5>Output</FONT><BR><FONT face="Times New Roman"
size=3>There should be one output line per test case containing the digit
located in the position i.</FONT></P>
<P><FONT color=blue size=5>Sample Input</FONT><BR><FONT
face="Times New Roman" size=3><PRE>2
8
3</PRE></FONT>
<P></P>
<P><FONT color=blue size=5>Sample Output</FONT><BR><FONT
face="Times New Roman" size=3><PRE>2
2</PRE></FONT>
<P></P>
<P><FONT color=blue size=5>Source</FONT><BR><FONT face="Times New Roman"
size=3><A
href="http://poj.grids.cn/searchproblem?field=source&key=Tehran 2002">Tehran
2002</A>, First Iran Nationwide Internet Programming
Contest</FONT></P></TD></TR></TBODY></TABLE><FONT color=#333399 size=3>
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