22 lines
702 B
JavaScript
22 lines
702 B
JavaScript
const table = [
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[0, 3, 1, 7, 5, 9, 8, 6, 4, 2],
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[7, 0, 9, 2, 1, 5, 4, 8, 6, 3],
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[4, 2, 0, 6, 8, 7, 1, 3, 5, 9],
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[1, 7, 5, 0, 9, 8, 3, 4, 2, 6],
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[6, 1, 2, 3, 0, 4, 5, 9, 7, 8],
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[3, 6, 7, 4, 2, 0, 9, 5, 8, 1],
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[5, 8, 6, 9, 7, 2, 0, 1, 3, 4],
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[8, 9, 4, 5, 3, 6, 2, 0, 1, 7],
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[9, 4, 3, 8, 6, 1, 7, 2, 0, 5],
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[2, 5, 8, 1, 4, 3, 6, 7, 9, 0],
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];
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const lookup = (p, c) => table[p][parseInt(c, 10)]
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const damm = input => [...input].reduce(lookup, 0) === 0;
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// ----------------------------------------------------------[ Tests ]----
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const test = () => ["5724", "5727", "112946", "112949"].forEach(e =>
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console.log(`${e} => ${damm(e) ? 'Pass' : 'Fail'}`)
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);
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test();
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