Javascript
const lastDigit = (digits) => { if(!digits.length) return '1'; let power = digits.reduceRight((a, b) => Math.pow(b, a)); power = (!isFinite(power) || isNaN(power)) ? '0' : String(power); return power.slice(power.length - 1, power.length); } lastDigit([9, 9]); Output: '9' lastDigit([9, 9, 9]); Output: '0' lastDigit([]); Output: '1'
Not sure how to get the last digit from more than 369 million of digits, so handled it with 0 and empty list as 1.
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Javascript
Not sure how to get the last digit from more than 369 million of digits, so handled it with 0 and empty list as 1.