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Largest int from concatenated ints: Difference between revisions
Largest int from concatenated ints (view source)
Revision as of 01:04, 27 August 2023
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<pre>998764543431
6054854654</pre>
=={{header|Maxima}}==
<syntaxhighlight lang="maxima">
/* Function that decompose a number into a list of its digits using conversions between numbers and strings */
decompose_n_s(n):=block(
string(n),
charlist(%%),
map(eval_string,%%))$
/* Function that orders the list obtained by decompose_n_ according to ordergreat and then orders the result to reached what is needed to solve the problem */
largest_from_list(lst):=(
sort(map(decompose_n_s,lst),ordergreatp),
sort(%%,lambda([a,b],if last(a)>last(b) then rest(b,-1)=a else rest(a,-1)=b)),
map(string,flatten(%%)),
simplode(%%),
eval_string(%%));
/* Test cases */
test1: [1, 34, 3, 98, 9, 76, 45, 4]$
test2: [54, 546, 548, 60]$
largest_from_list(test1);
largest_from_list(test2);
</syntaxhighlight>
{{out}}
<pre>
998764543431
6054854654
</pre>
=={{header|min}}==
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