Formatted numeric output
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You are encouraged to solve this task according to the task description, using any language you may know.
Express a number in decimal as a fixed-length string with leading zeros.
JavaScript
var n = 123 var str = ("00000"+m).slice(-5) alert(str) //or, put in browser URL: javascript:n=123;alert(("00000"+n).slice(-5))
Python
#tested in Python 2.4.1 n = 123 str = "%05d" % n #5 places wide, leading zeros print n, str #output: 123 00123
SQL
--Tested MS SQL 2005 declare @n int select @n=123 select substring(convert(char(5), 10000+@n),2,4) as Answer --Output: 0123