const cinema_auditorium = (spisok2D, ryad) => {
  let soldTickets = 0;

  if (spisok2D && ryad >= 0 && ryad < spisok2D.length) {
    for (let seat of spisok2D[ryad]) {
      if (seat === 1) {
        soldTickets++;
      }
    }
  }
  return soldTickets;
}

const tab = (f, a, b, h) => {
  let sum = 0;
  for (let x = a; x <= b; x += h) {
    sum += f(x);
  }
  return sum;
};

function sumNechet(a, b) {
  let sum = 0;

  function нечетное(число) {
    return число % 2 !== 0;
  }

  for (let i = a; i <= b; i++) {
    if (нечетное(i)) {
      sum += i;
    }
  }

  return sum;
}

console.log(sumNechet(0, 5));