Largest int from concatenated ints: Difference between revisions

=={{header|jq}}==

{{Works with|jq|1.4}}

For jq versions greater than 1.4, it may be necessary to change "sort_by" to "sort".

The following uses the padding technique.

<lang jq>def largest_int:

def pad(n): . + (n - length) * .[length-1:];

map(tostring)

| (map(length) | max) as $max

| map([., pad($max)])

| sort_by( .[1] )

| map( .[0] ) | reverse | join("") ;

# Examples:

([1, 34, 3, 98, 9, 76, 45, 4],

[54, 546, 548, 60]) | largest_int

</lang>

{{Out}}

$ /usr/local/bin/jq -n -M -r -f Largest_int_from_concatenated_ints.jq

998764543431

6054854654