Wednesday, September 3, 2025🏆 30QiyinN-QueensN ta malikani N x N shaxmat doskasiga bir-biriga hujum qilmaydigan qilib joylashtiring.
Tuesday, September 2, 2025🏆 30QiyinMedian of two sorted arraysIkkita saralangan massivning medianini (o'rta qiymatini) toping.
Monday, September 1, 2025🏆 30QiyinLongest valid parenthesesTo'g'ri yopilgan qavslarning eng uzun qismini toping.
Sunday, August 31, 2025🏆 30QiyinFirst missing positiveMassivda uchramagan eng kichik musbat butun sonni toping.
Saturday, August 30, 2025🏆 30QiyinEdit distanceBir satrni ikkinchisiga o'zgartirish uchun kerak bo'ladigan eng kam amallar sonini toping.