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LeftRotation.js
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LeftRotation.js
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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', inputStdin => {
inputString += inputStdin;
});
process.stdin.on('end', function() {
inputString = inputString.replace(/\s*$/, '')
.split('\n')
.map(str => str.replace(/\s*$/, ''));
main();
});
function readLine() {
return inputString[currentLine++];
}
// Complete the rotLeft function below.
function singleRotation(a)
{
let firstVariable = a[0];
for(let i = 0;i<a.length-1;i++)
{
a[i] = a[i+1];
}
a[a.length-1] = firstVariable;
return a;
}
function rotLeft(a, d) {
for(let i=0;i<d;i++)
{
a = singleRotation(a);
}
return a;
}
function main() {
const ws = fs.createWriteStream(process.env.OUTPUT_PATH);
const nd = readLine().split(' ');
const n = parseInt(nd[0], 10);
const d = parseInt(nd[1], 10);
const a = readLine().split(' ').map(aTemp => parseInt(aTemp, 10));
const result = rotLeft(a, d);
ws.write(result.join(' ') + '\n');
ws.end();
}