piyusharora1989

// '[]{}()' - allowed characters
// Assusming that only above characters are used. Write a code to validate the given pattern.

// '[{[()]}]' - valid
// '[{[()]}]{[{()}]}' - valid
// '[()[]]'
// '[{[()]]}]' - not valid
// '[}' - not valid
// '[{]}' - not valid
// '[]{}' - valid

piyusharora1989

function sort(arr) {
    let last_index = arr.length - 1;
    while (last_index > 0) {
        heapify(arr, last_index);
        swap(0, last_index, arr);
        last_index--;
    }
    return arr;
}
function heapify(arr, last_index) {

piyusharora1989

module.exports = req.random_number = Math.floor(Math.random()*10);