my question is short, if I have the following 2 lines of code:
int var = 01;
printf("%d", var);
the output is : 1
how do I get 01 rather than 1?
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1Please note that `01` doesn't mean a `1` with a `0` in front, but it means _write 1 using octal base notation_. Thus `010` will print `8`. In general, don't assume that the language works in the way you want, learn how it actually works instead. – Lundin Nov 12 '20 at 08:58
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You thought to save the number as a string? If you don't have to use it elsewhere it is probably the most flexible solution – lorenzozane Nov 12 '20 at 09:05
1 Answers
1
Use left padded format string.
Solution
int var = 1;
printf("%02d", var);
Jiho Lee
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padding is add something(in input/output, mostly 0) outer kernel part. – Jiho Lee Nov 12 '20 at 08:58
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No, it will print ```13```. because we've specified length to ```2```(in ```%02d```). – Jiho Lee Nov 12 '20 at 09:01