22 lines
486 B
Nim
22 lines
486 B
Nim
import std/rdstdin
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import std/sets
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import std/sequtils
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import strutils
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var elf_sets = newSeq[HashSet[int]](2)
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var duplicates: int
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var line: string
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while true:
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let ok = readLineFromStdin("", line)
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if not ok:
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break
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let elves = line.split(',')
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for i in 0..1:
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let bounds = elves[i].split('-')
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elf_sets[i] = toHashSet(toSeq(parseInt(bounds[0]) .. parseInt(bounds[1])))
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if elf_sets[0] <= elf_sets[1] or elf_sets[1] <= elf_sets[0]:
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duplicates.inc
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echo(duplicates)
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