// https://zero.p2p.shpp.me/tasks/3_5_christmas_tree.html
// https://pastebin.com/SL1zvbDD  предыдущее ревью
let size = +prompt('Размер ёлочки')
let row
let space
let star
let counter = 0
for(row = 0; row < size; row++) {
    space = size - 1
    star = 0
    while (space > row) {
        console.put(' ')
        space--
    }
    while (star <= row*2){
        console.put('*')
        star++
    }
    console.put('\n')
}
while (counter < size - 1) {
        console.put(' ')
        counter++
    }
        console.put('*')