RosettaCodeData/Task/Text-processing-Max-licenses-in-use/Picat/text-processing-max-licenses-in-use.picat
2023-07-01 13:44:08 -04:00

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Text

import util.
go =>
Jobs = read_file_lines("mlijobs.txt"),
Counts = asum(Jobs).to_array, % convert to array for speed
Max = max(Counts),
MaxIxs = [I : I in 1..Counts.length, Counts[I] == Max],
printf("Max number of licenses is %d.\n", Max),
printf("Interval:\n%w\n", [Jobs[J,15..33] : J in MaxIxs].join("\n")),
nl.
% Accumulative sum
asum(List) = Asum =>
asum(List,[],Asum).
asum([],Asum0,Asum) =>
Asum = Asum0.reverse().
asum([H|T],[],Asum) =>
C = cond(slice(H,9,11) == "OUT", 1, -1),
asum(T,[C],Asum).
asum([H|T],Asum0,Asum) =>
Asum0 = [Last|_],
C = cond(slice(H,9,11) == "OUT", 1, -1),
asum(T,[Last+C|Asum0],Asum).