JavaHere
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ℹ️ Dasturlash tili: Java

⚙️ Algoritm: Implementation

📬 Muallif: JavaHere

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Vaqt asimtotikasi: in code

🗂 Xotira : O(1)

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Challenge niyam challenge chiqdi...

Lekin ishlashdan to'xtash yo'q.

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Hayolingda hisoblashni bas qil...

Bugun sizlarga ustozimdan matematika darsida o'rgangan judayam bir ajoyib fikr haqida aytib bermoqchiman. Bugun matematika darsida doskaga chiqdim va matritsalar bilan ishlayotgan edik. Determinant topilishi kerak bo'lgan vaziyat kelib qoldi va 3x3 matrix(aslida kattaroq edi bir qismi uchun 3x3) ni determinantini hayolan hisoblamoqchi bo'ldim va sal o'ylanib qoldim. Ustozim shu vaziyatda judayam bir ta'sirli gap aytdi:

"Javahere don't think that much. Your brain is not for calculating such small calculations. Your brain should solve bigger and much bigger problems in the life. You shouldn't deal with such small things. Just write what you need. And solve it. This is faster and simpler. Don't calculate in your mind. You should care about more serious problems in the world..."

Tarjimasi:

"Javohir ko'p o'ylama. Bu bizga berilgan bosh bunaqa kichik hisob-kitoblarni hayolan bajarish uchun emas. Sen bu hayotda kattadan katta muammolarni yechishing kerak. Bunday kichik amallar bilan miyyangni qotirma. Shunchaki nimani hisoblash kerak bo'lsa shuni yoz va hisobla. Manashu ish tezroq va soddaroq. Miyyangda hisoblashni bas qil. Sen senga berilgan bosh bilan hayotda jiddiy boshqa muammolarni yechishing kerak..."

To'g'risi juda ta'sir qildi. Rostdan ham shu misollarni boshimizda yechamiz deb miyyani qiynaymiz. Aslida bundan katta naf ham yo'q. Shunchaki yozing va hisoblang tamom. Bu bosh sizga ancha qiyinroq va jiddiyroq muammolarni hal qilish uchun berilgan. Uni oddiy va arzimas narsalar bilan band qilmang.

Shu ishni bugundan boshlang!
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Kun masalasi: 319. Bulb Switcher
Qiyinlik darajasi: O'rta

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ℹ️ Dasturlash tili: Kotlin

⚙️ Algoritm: Math

📬 Muallif: JavaHere

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Vaqt asimtotikasi: O(Sqrt(N))

🗂 Xotira : O(1)

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Kun masalasi: 839. Similar String Groups
Qiyinlik darajasi: Qiyin

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ℹ️ Dasturlash tili: Kotlin

⚙️ Algoritm: DSU

📬 Muallif: JavaHere

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Vaqt asimtotikasi: O(N² · M)

🗂 Xotira : O(N)

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E’tibor bergan bo’lsangiz kerak. Ohirgi masalalarni yechimlari Kotlin dasturlash tilida ishlanmoqda. Bu esa 2 ta dars ya’ni:

1. Qoldiqlar bilan ishlash
2. DSU

dan keyin Kotlin dasturlash tilini o’rganishni boshlab, android sohasiga ham qadam qo’ymoqchi ekanligimizni anglatadi.

Qilinishi kerak bo’lgan ishlar shunchalar vodiy bo’lib ketgandek. Bularni qanday “manage efficiently” qilinarkan deb hayron qolaman. Kimdur shu borada biror kitob yoki maqola o’qigan bo’lsa commentda ulashsa ko’pchilikka foydali bo’lar edi deb o’ylayman.
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Kun masalasi: 1697. Checking Existence of Edge Length Limited Paths
Qiyinlik darajasi: Qiyin

Sizda bu masalani yechish uchun qanday fikr bor? Agar biror idea bo'lsa kommentda qoldiring. Masala yechim topishi uchun sizning ideangiz yordam berishi mumkin...

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ℹ️ Dasturlash tili: Kotlin

⚙️ Algoritm: DSU

📬 Muallif: JavaHere

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Vaqt asimtotikasi:

N -> node size
M -> edgeList size
K -> queries size
O(M · Log(M) + K · Log(K))

🗂 Xotira : O(N)

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Kun masalasi: 1579. Remove Max Number of Edges to Keep Graph Fully Traversable
Qiyinlik darajasi: Qiyin

Sizda bu masalani yechish uchun qanday fikr bor? Agar biror idea bo'lsa kommentda qoldiring. Masala yechim topishi uchun sizning ideangiz yordam berishi mumkin...

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ℹ️ Dasturlash tili: Kotlin

⚙️ Algoritm: DSU

📬 Muallif: JavaHere

⌛️
Vaqt asimtotikasi: O(N)

🗂 Xotira : O(N)

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Shu masalani yechish uchun yozgan birinchi kodim 😮‍💨
Keyin optimizatsiya qildim
Bir necha kunlardan beri leetcode.com masalalari DSU haqida bo'layotgani uchun qoldiqlar darsidan oldin shu DSU haqida gaplashish kerak degan qarorga keldim va sizlar uchun DSU darsligini chiqardim. Umid qilamanki barchaga tushunarli bo'ladi. Hammangizga bu bilimlarni o'zbek tilida o'rganishingizda omad.

Demak bugungi mavzu: DSU

Shiorimiz: Ertaga, Dushanbadan, Yanagi yildan, 18 kirsangiz emas, Bugundan boshlang.

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JavaHere pinned «Bir necha kunlardan beri leetcode.com masalalari DSU haqida bo'layotgani uchun qoldiqlar darsidan oldin shu DSU haqida gaplashish kerak degan qarorga keldim va sizlar uchun DSU darsligini chiqardim. Umid qilamanki barchaga tushunarli bo'ladi. Hammangizga bu…»
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Kun masalasi: 1491. Average Salary Excluding the Minimum and Maximum Salary
Qiyinlik darajasi: Oson

Sizda bu masalani yechish uchun qanday fikr bor? Agar biror idea bo'lsa kommentda qoldiring. Masala yechim topishi uchun sizning ideangiz yordam berishi mumkin...

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ℹ️ Dasturlash tili: Kotlin

⚙️ Algoritm: Math

📬 Muallif: Javohir

⌛️ Vaqt asimtotikasi: O(N)

🗂 Xotira : O(1)

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Kun masalasi: 649. Dota2 Senate
Qiyinlik darajasi: O'rta

Sizda bu masalani yechish uchun qanday fikr bor? Agar biror idea bo'lsa kommentda qoldiring. Masala yechim topishi uchun sizning ideangiz yordam berishi mumkin...

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