Linked Questions

6 votes
2 answers
480 views

Is outputting a Maybe acceptable in Haskell? [duplicate]

The vote on this output option has moved here. Haskell has a very strong type system, so there is a type called Maybe to work around some restrictions. The ...
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  • 16.1k
5 votes
3 answers
233 views

Is a regex answer valid if it gives the reciprocal of the required output? [duplicate]

This answer gives the reciprocal of the required output, rather than the required output itself. In a simpler challenge this might cut out a significant part of the work, but for this particular ...
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  • 10.7k
3 votes
2 answers
311 views

What input methods should we allow for Code Golfs? [duplicate]

Should we define rules on how input can be fed into programs? This question on SO allowed for any input method, which resulted in answers which ripped off the question by doing the computation in ...
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  • 12.3k
5 votes
2 answers
387 views

For Code Golf, how do you deal with languages without a traditional print/echo statements? [duplicate]

JavaScript comes to mind as a language without a traditional outputting mechanism. In this instance, document.write() is suggested, but its specific to the browser,...
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  • 150
9 votes
1 answer
263 views

Returning a function, which returns the result? [duplicate]

Submission formats are always flexible here on PPCG. Named functions, anonymous functions or even full programs that perform IO, are all fine. Even currying is acceptable, for example, taking ...
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  • 13.9k
4 votes
1 answer
112 views

JS Promises in code-golf? [duplicate]

Should code-golf submissions written in JS that return a promise be allowed? For example: Promise.resolve("hi") Doesn't output ...
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-1 votes
2 answers
142 views

Should the output to STDERR count as output length? [duplicate]

A few challenges that requires the program to output something at a specified length, and a bunch of answers well... uses built-in error messages that's generated by the interpreter rather than the ...
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  • 2,609
6 votes
1 answer
179 views

Is Ans considered a valid form of input for TI-BASIC? [duplicate]

We haven't reached a complete consensus on whether or not Ans is permitted as a valid input format for TI-BASIC. We have this answer on "Default for Code Golf: ...
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  • 101
10 votes
1 answer
201 views

What counts as "output" in SQL? [duplicate]

Some of the site's questions rule that something must (or must not) be printed to the output. My question is, in the case of SQL, what really is the output? The ...
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1 vote
1 answer
179 views

Hard coding input [duplicate]

I've seen some answers that hard code the input or rely on the existence of a user-defined variable, see for example this question. The OP asked for a "function or equivalent subprogram". I don't ...
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  • 1,796
7 votes
0 answers
184 views

Why can't we take input from a variable? [duplicate]

On the default allowed I/O methods, we have come to a consensus that programs may not take input from a predefined variable. However, we have decided that anonymous functions are allowed. In the ...
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3 votes
0 answers
77 views

What's a number? [duplicate]

Similar to What's a string? If a challenge says that the input will be “a number”, what data types are acceptable? Obviously, types like int and ...
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  • 6,521
0 votes
1 answer
59 views

Do programs need to take input, if it is in the spec? [duplicate]

Recently, there have been some challenges involving the OEIS. Specifically, when given an index as input, the challenge spec involves output the item in the OEIS at that index. However, for constant ...
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  • 13.5k
0 votes
0 answers
58 views

Is it acceptable to take input in two different formats? [duplicate]

This isn't an issue yet, but I could see it become one sometime soon. Can I take input in two, or even more, separate formats, provided they're both reasonable formats? For example, let's say one ...
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  • 57.3k
0 votes
0 answers
54 views

In code-golf is it always ok to print ASCII digits when an integer is asked for? [duplicate]

When the question clearly asks for an integer is it always OK to just print the ASCII digits of the integer without actually generating the integer value? The consensus is yes. It's the programs/...
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  • 3,450

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