Day 069

Kun masalalari:

🟢 933. Number of Recent Calls
🟡 1823. Find the Winner of the Circular Game

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- poweroff

DIY:

\nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring.

cd ~
sudo poweroff


Javoblar:

🟢 2099. Find Subsequence of Length K With the Largest Sum
🟡 1405. Longest Happy String

#SDM

@khamidulla_inoyatov_microblog

Day 070

Kun masalalari:

🟢 1700. Number of Students Unable to Eat Lunch
🟡 641. Design Circular Deque

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- init

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring.

cd ~
sudo init 6


Javoblar:

🟢 933. Number of Recent Calls
🟡 1823. Find the Winner of the Circular Game

#SDM

@khamidulla_inoyatov_microblog

Kecha Universitetga kirish imtihonlariga taluqli bir necha odamni maqolalarini o’qidim (Xammasini Jaxongir boshladilar :)). Lekin nimagadir meni tushimga kirish imtixonlari emas balkim Universitetdagi so’ngi davlat imtixonlardan yeqilayotganim kirdi. Oliy Mathematikadan imtixonda javob berolmay o’tirganimni ko’rdim. Xamma narsa esimdan chiqib ketibdi. Endi Universitetni bitira olmayman deb qo’rqib uyg’ondim. Aslida to’rtinchi kursda Oliy Matrmatikadan imtixon bo’lmagan. Bilmadim nega bu tushni ko’rdim lekin umuman olganda Matematikadagi ko’p narsa yoddan ko’tarilgan. Albatta formulalar kitobchasi bilan xali xam masalalarni ishloy olsam kerak lekin oldingidek emas. O’z vaqtida juda ko’p vaqt sariflagan bilimlar xayotda as qotmadi. Xarakat qilib yuqori bal olganim xam vaqt o’tib esdan chiqdi. ChatGPT uxlashdan oldin bo’lmag’ur narsalarni o’qiyverma telefonda deyapti. Sizda xam shunday bo’lganmi?

PS: Quora da xam bu xaqida yozilgan ekan bitta mendamas ekan.

@khamidulla_inoyatov_microblog

Day 071

Kun masalalari:

🟢 232. Implement Queue using Stacks
🟡 1670. Design Front Middle Back Queue

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- systemctl

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring 😎

cd ~
systemctl list-unit-files --type=service
sudo systemctl reboot


Javoblar:

🟢 1700. Number of Students Unable to Eat Lunch
🟡 641. Design Circular Deque

#SDM

@khamidulla_inoyatov_microblog

Day 072

Kun masalalari:

🟢 2073. Time Needed to Buy Tickets
🟡 1352. Product of the Last K Numbers

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- halt

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
sudo halt

Javoblar:

🟢 232. Implement Queue using Stacks
🟡 1670. Design Front Middle Back Queue

#SDM

@khamidulla_inoyatov_microblog

Day 073

Kun masalalari:

🟢 387. First Unique Character in a String
🟡 918. Maximum Sum Circular Subarray

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- vi

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
vi test.md


Javoblar:

🟢 2073. Time Needed to Buy Tickets
🟡 1352. Product of the Last K Numbers

#SDM

@khamidulla_inoyatov_microblog

Day 074

Kun masalalari:

🟢 2535. Difference Between Element Sum and Digit Sum of an Array
🟡 2807. Insert Greatest Common Divisors in Linked List

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- env

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
env PATH
env MY_VARIABLE="my_value"


Javoblar:

🟢 387. First Unique Character in a String
🟡 918. Maximum Sum Circular Subarray

#SDM

@khamidulla_inoyatov_microblog

Day 075

Kun masalalari:

🟢 2824. Count Pairs Whose Sum is Less than Target
🟡 919. Complete Binary Tree Inserter

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- printenv

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
env MY_VARIABLE="my_value"
printenv


Javoblar:

🟢 2535. Difference Between Element Sum and Digit Sum of an Array
🟡 2807. Insert Greatest Common Divisors in Linked List

#SDM

@khamidulla_inoyatov_microblog

Day 076

Kun masalalari:

🟢 1662. Check If Two String Arrays are Equivalent
🟡 1877. Minimize Maximum Pair Sum in Array

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- screen

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
screen


Javoblar:

🟢 2824. Count Pairs Whose Sum is Less than Target
🟡 919. Complete Binary Tree Inserter

#SDM

@khamidulla_inoyatov_microblog

Day 077

Kun masalalari:

🟢 1021. Remove Outermost Parentheses
🟡 921. Minimum Add to Make Parentheses Valid

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- tmux

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
tmux


Javoblar:

🟢 1662. Check If Two String Arrays are Equivalent
🟡 1877. Minimize Maximum Pair Sum in Array

#SDM

@khamidulla_inoyatov_microblog

Day 078

Kun masalalari:

🟢 1475. Final Prices With a Special Discount in a Shop
🟡 2390. Removing Stars From a String

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- mktemp

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
tempdir=$(mktemp -d)
echo "Created temporary directory: $tempdir"
cd $tempdir
touch day078.md
ls
cd -


Javoblar:

🟢 1021. Remove Outermost Parentheses
🟡 921. Minimum Add to Make Parentheses Valid

#SDM

@khamidulla_inoyatov_microblog

Day 079

Kun masalalari:

🟢 589. N-ary Tree Preorder Traversal
🟡 173. Binary Search Tree Iterator

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- alias

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
alias
alias ..='cd ..'
alias ...='cd ../../'
alias ll='ls -alF'
alias ls='echo Hello'
ls
\ls


Javoblar:

🟢 1475. Final Prices With a Special Discount in a Shop
🟡 2390. Removing Stars From a String

#SDM

@khamidulla_inoyatov_microblog

Day 080

Kun masalalari:

🟢 682. Baseball Game
🟡 1381. Design a Stack With Increment Operation

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- unalias

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~
alias ls='echo Hello'
ls
unalias ls
ls


Javoblar:

🟢 589. N-ary Tree Preorder Traversal
🟡 173. Binary Search Tree Iterator

#SDM

@khamidulla_inoyatov_microblog

Day 081

Kun masalalari:

🟢 496. Next Greater Element I
🟡 503. Next Greater Element II

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- awk

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

mktempd
echo "Magnus Carlson 2830" > players.txt
echo "Fabiano Caruana 2780" >> players.txt
echo "Hikaru Nakamura 2780" >> players.txt
awk '{ print $1 }' players.txt
awk '/2780/' players.txt


Javoblar:

🟢 682. Baseball Game
🟡 1381. Design a Stack With Increment Operation

#SDM

@khamidulla_inoyatov_microblog

Day 082

Kun masalalari:

🟢 1047. Remove All Adjacent Duplicates In String
🟡 1209. Remove All Adjacent Duplicates in String II

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- uniq

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

mktempd
touch some.txt
echo "I am coding" >> some.txt
echo "I am coding" >> some.txt
echo "I am coding" >> some.txt
echo "I am coding" >> some.txt
echo "I am coding on Python" >> some.txt
uniq -c some.txt
uniq -d some.txt


Javoblar:

🟢 496. Next Greater Element I
🟡 503. Next Greater Element II

#SDM

@khamidulla_inoyatov_microblog

Day 083

Kun masalalari:

🟢 2696. Minimum String Length After Removing Substrings
🟡 1963. Minimum Number of Swaps to Make the String Balanced

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- sort

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

mktempd
touch fruits.txt
echo "apple" >> fruits.txt
echo "banana" >> fruits.txt
echo "apple" >> fruits.txt
echo "orange" >> fruits.txt
echo "banana" >> fruits.txt
echo "grape" >> fruits.txt
sort fruits.txt
sort fruits.txt | uniq


Javoblar:

🟢 1047. Remove All Adjacent Duplicates In String
🟡 1209. Remove All Adjacent Duplicates in String II

#SDM

@khamidulla_inoyatov_microblog

Day 084

Kun masalalari:

🟢 1598. Crawler Log Folder
🟡 725. Split Linked List in Parts

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- pidof

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring

cd ~/
pidof Chrome
pidof bash
sudo kill -9 $(pidof Chrome)


Javoblar:

🟢 2696. Minimum String Length After Removing Substrings
🟡 1963. Minimum Number of Swaps to Make the String Balanced

#SDM

@khamidulla_inoyatov_microblog

Day 085

Kun masalalari:

🟢 1544. Make The String Great
🟡 2. Add Two Numbers

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- flock

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring. Buning uchun flock komandasini ikkita terminalda ketma-ket ishga tushirin. Ikkinchi terminaldagi komanda ishlamasdan (ya’ni sleep bo’lmasdan) darrov tugatiladi. Birinchi terminaldagi sleep tugaganidan keyin esa, ikkinchisini ishga tushirish mumkin bo’ladi. Agar boshqa file’ga (masalan, 1-terminalda /tmp/mylock 2-terminalda esa /tmp/another) lock qilinsa, ikkalasini ham ishga tushirish mumkin.

cd ~/
flock -n /tmp/mylock sleep 20


Javoblar:

🟢 1598. Crawler Log Folder
🟡 725. Split Linked List in Parts

#SDM

@khamidulla_inoyatov_microblog

Day 086

Kun masalalari:

🟢 844. Backspace String Compare
🟡 445. Add Two Numbers II

O’qish uchun material:

*nix dagi quyidagi komanda bilan man <command> orqali tanishing:

- watch

DIY:

*nix systemasda quyidagi komandalarni ketma-ket bajarib ko’ring.

cd ~/
watch -n 2 top
watch -n 2 'tail -n 10 /var/log/syslog'

PS. watch komandasidan chiqish uchun Ctrl+C ishlatiladi.

Javoblar:

🟢 1544. Make The String Great
🟡 2. Add Two Numbers

#SDM

@khamidulla_inoyatov_microblog