Monday, July 13, 2026🏆 30QiyinReverse PairsMassivda nums[i] > 2 * nums[j] shartni qanoatlantiruvchi teskari juftliklar sonini toping.
Monday, July 13, 2026🏆 30QiyinRussian Doll EnvelopesRus qo'g'irchoqdek konvertlarni bir-birining ichiga joylashtirish — qancha ko'p konvertni joylashtirgani mumkin?
Monday, July 13, 2026🏆 30QiyinScramble StringBerilgan satr boshqa bir satrning chalkashtirilgan (scramble) shakli ekanligini tasdiqlang.
Monday, July 13, 2026🏆 30QiyinShortest PalindromeBerilgan satr oldiga minimal belgi qo'shib, uni palindromga aylantiring.
Monday, July 13, 2026🏆 30QiyinSliding Window MaximumOyna (window) siljishi davomida har bir oraliqdagi eng katta elementni toping.