Problem from Hackerrank.
Got some issues figuring out why it didn’t work my function. Two mental notes:
I am still have some problems with indentation and that can cause to put my return value inside the for loop without noticing.
I keep writing the operator “+=” as “=+”. How annoying! I read a good article about it and I finally got it.
My solution:
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'use strict'; const fs = require('fs'); process.stdin.resume(); process.stdin.setEncoding('utf-8'); let inputString = ''; let currentLine = 0; process.stdin.on('data', function(inputStdin) { inputString += inputStdin; }); process.stdin.on('end', function() { inputString = inputString.split('\n'); main(); }); function readLine() { return inputString[currentLine++]; } // Complete the compareTriplets function below. function compareTriplets(a, b) { let bob = 0; let alice = 0; for (let i=0; i < a.length; i++) { if (a[i] > b[i]) { alice += 1; } else if (a[i] < b[i]) { bob += 1; } } let result = [alice, bob]; return result; } function main() { const ws = fs.createWriteStream(process.env.OUTPUT_PATH); const a = readLine().replace(/\s+$/g, '').split(' ').map(aTemp => parseInt(aTemp, 10)); const b = readLine().replace(/\s+$/g, '').split(' ').map(bTemp => parseInt(bTemp, 10)); const result = compareTriplets(a, b); ws.write(result.join(' ') + '\n'); ws.end(); } |