20 lines
398 B
JavaScript
20 lines
398 B
JavaScript
const { Glib } = require('../../lib');
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const VALUE = {
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'(': 1n,
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')': -1n,
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};
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module.exports = {
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'1': (input) =>
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Glib.fromIterable(input)
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.map((char) => VALUE[char] || 0n)
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.sum(),
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'2': (input) =>
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Glib.fromIterable(input).partialReduce(
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([floor], char, index) => [floor + (VALUE[char] || 0n), index + 1],
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([floor]) => floor >= 0,
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[0n, 0],
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)[1],
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};
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