Without width printing format in C

Posted by yCalleecharan on Stack Overflow See other posts from Stack Overflow or by yCalleecharan
Published on 2010-04-06T15:27:25Z Indexed on 2010/04/06 15:33 UTC
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Hi, in C if I have a printf statement containing say "%.2f", it says that the precision is 2 digits after the decimal place. I haven't explicitly specify the width. I have two questions:

Is this good programming practice?;
Is without specifying the width means that the width of the field will get adjusted automatically when printing the number, irrespective of the number of digits it contains?

Thanks a lot...

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