function solve(arr){
    let sorted = arr.sort(compareNumbers);
    let final = []

    function compareNumbers(a, b)
    {
        return a - b;
    }

    const sortLent = sorted.length;

    while(final.length < sortLent){
        if(sorted.length > 1){
            final.push(sorted[sorted.length - 1]);
            final.push(sorted[0]);

            sorted.pop(); //Remoe first element
            sorted.shift(); //Remoe last one
        } else {
            final.push(sorted[0]);
        }
    }

    console.log(final.join(' '));
}