flatland-space-stations.js

'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', _ => {
    inputString = inputString.replace(/\s*$/, '')
        .split('\n')
        .map(str => str.replace(/\s*$/, ''));

    main();
});

function readLine() {
    return inputString[currentLine++];
}

// Complete the flatlandSpaceStations function below.
function flatlandSpaceStations(n, c) {
    if (n === c.length)
        return 0;
    let max = 0;
    for (var i = 0; i < n; i++) {
        let min = Number.MAX_VALUE;
        for (var j = 0; j < c.length; j++) {
           if( Math.abs(c[j] - i) < min)
              min= Math.abs(c[j] - i);
        }
        if(min>max)
           max = min;
    }
    return max;

}

function main() {
    const ws = fs.createWriteStream(process.env.OUTPUT_PATH);

    const nm = readLine().split(' ');

    const n = parseInt(nm[0], 10);

    const m = parseInt(nm[1], 10);

    const c = readLine().split(' ').map(cTemp => parseInt(cTemp, 10));

    let result = flatlandSpaceStations(n, c);

    ws.write(result + "\n");

    ws.end();
}