Projects

1bignum *bignum_add(bignum *a, bignum *b) {
2  bignum *c = bignum_new();
3  c->size = max(a->size, b->size) + 1;
4  c->tab = realloc(c->tab, c->size * sizeof(int));
5
6  int carry = 0;
7  for (int i = 0; i < c->size - 1; i++) {
8    int tmp = a->tab[a->size - i - 1] + b->tab[b->size - i - 1] + carry;
9    carry = tmp / B;
10    c->tab[c->size - i - 1] = tmp % B;
11  }
12  c->tab[0] = carry;
13  return c;
14}

1function validateContactForm(input: {
2  name: string;
3  email: string;
4  message: string;
5}) {
6  const errors: Partial<Record<keyof typeof input, string>> = {};
7
8  if (!input.name.trim()) errors.name = "Name is required.";
9  if (!/^[^s@]+@[^s@]+.[^s@]+$/.test(input.email)) {
10    errors.email = "Enter a valid email address.";
11  }
12  if (input.message.trim().length < 5) {
13    errors.message = "Message must be at least 5 characters.";
14  }
15
16  return errors;
17}

1const contactWays = contactWayValues.map((channel) => ({
2  ...channel,
3  label: contactChannelLabels[channel.key],
4}));
5
6const feedback = getFeedback(ui.contact.feedback, status, code);
7
8return (
9  <section className="space-y-4">
10    <h2 className="section-title">{ui.contact.channelsTitle}</h2>
11    <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-4">
12      {contactWays.map((item) => (
13        <a key={item.key} href={item.href} target="_blank" rel="noopener noreferrer">
14          <item.icon className="h-4 w-4" aria-hidden />
15          <span>{item.label}</span>
16        </a>
17      ))}
18    </div>
19  </section>
20);