const sticks_cut = [arr.length];
  let arrCut = arr;
  
  while (1) {
    let length_cut = Math.min(...arrCut);
    
    arrCut = arrCut
      .filter((item) => item !== length_cut)
      .map((item) => item - length_cut);
      
    if (arrCut.length === 0) break;
    
    sticks_cut.push(arrCut.length);
  }
  
  return sticks_cut