Top Tweets for #180daysofcode
Day 16: Today I learned and understood the concept of Strings:
I practiced problems and functions used in strings and completed the homework :)
Thank you @rohit_negi9 bhaiya @CoderArmy
#180DaysOfCode #DSA #Coder
Day 93 of my DSA Journey
180-Day Challenge by Coder Army 💪
Celebrity Problem
✅ Celebrity: knows no one, known by all
✅ Brute Force → O(n²) — too slow
✅ Stack trick:
→ Pop A & B → A knows B? discard A, keep B
@rohit_negi9 Sir
#DSA #Stack #RohitNegi #180DaysOfCode
Day 92 of my DSA Journey 🚀
180-Day Challenge by Coder Army 💪
2 hard LeetCode problems solved! 🔥
✅ Largest Rectangle in Histogram
✅ Max Rectangle in Binary Matrix
2D → 1D reduction = game changer 🎯
@rohit_negi9 Sir! 🙌
#DSA #Stack #LeetCode #RohitNegi #180DaysOfCode
Day-12 of my DSA journey in C++ with @CoderArmy
@rohit_negi9
Topics covered today:
✅ Binary Search Problems
#dsa #180daysofcode
Day 89 of my DSA Journey 🚀
180-Day Challenge by Coder Army 💪
Array vs Linked List — when to use what?
✅ Array → contiguous, O(1) access, fixed size
✅ Linked List → dynamic, O(1) insert/delete, no random access
@rohit_negi9 Sir!
#DSA #Arrays #LinkedList #180DaysOfCode
Day-11 of my DSA journey in C++ with @CoderArmy
@rohit_negi9
Topics covered today:
✅ Binary Search:
👉Time Complexity:
👉Best case: O(1)
👉Worst case: O(log n)
👉Avg. case: O(log n)
👉Space Complexity: O(1)
#dsa #180daysofcode
Day-10 of my DSA journey in C++ with @CoderArmy @rohit_negi9
Topics covered today:
✅Insertion Sort:
👉 Time complexity: O(n^2)[worst & avg.], O(n)[best]
👉 Space complexity: O(1)
#dsa #180daysofcode
🚀 Day 97 of #Phase3 #180DaysOfCode 🚀
Exams are ongoing, so taking a short leave 📚✨
Still made some progress 💻
• Working on Creating Reviews for the project
Will be back stronger after exams 💪🔥
#MongoDB #Mongoose #BackendDevelopment #CodingJourney
Day-09 of my DSA journey in C++ with @CoderArmy @rohit_negi9
Topics covered today:
✅ Selection Sort
👉 Time complexity: O(n^2)
👉 Space complexity: O(1)
✅ Bubble Sort
👉 Time complexity: O(n^2)[worst & avg.], O(n)[best]
👉 Space complexity: O(1)
#dsa #180daysofcode
![_akkal_dhami's tweet photo. Day-09 of my DSA journey in C++ with @CoderArmy @rohit_negi9
Topics covered today:
✅ Selection Sort
👉 Time complexity: O(n^2)
👉 Space complexity: O(1)
✅ Bubble Sort
👉 Time complexity: O(n^2)[worst & avg.], O(n)[best]
👉 Space complexity: O(1)
#dsa #180daysofcode https://t.co/CqLB3qzENC](https://pbs.twimg.com/media/HI7f2zWaQAAUFOA.jpg)
Day-08 of my DSA journey in C++ with @CoderArmy @rohit_negi9
Topics covered today:
✅ Time and Space Complexity
#dsa #180daysofcode
Day-07 of my DSA journey in C++ with @CoderArmy @rohit_negi9 Negi
Topics covered today:
✅ array revision
✅ array problems:
✅ reverse an array
✅ rotate an array by k steps(left & right)
✅ move zeroes to end
...............
#dsa #180daysofcode
Day-06 of my DSA journey in C++ with @CoderArmy @rohit_negi9
Topics covered today:
✅ some questions
✅ introduction to array
#180daysofcode #dsa
Day-05 of my DSA journey in C++ with @CoderArmy @rohit_negi9
Topics covered today:
✅ solve some leetcode problems
✅ functions in C++
✅ pass by value, pass by reference
✅ practise some questions using function
#dsa #180daysofcode
🚀 Day 96 of #Phase3 #180DaysOfCode 🚀
Continued with MongoDB & Project Work 💻✨
• Handling deletion
• Mongoose middleware
• Created Review Model
Project evolving step by step 🔥
#MongoDB #Mongoose #BackendDevelopment #CodingJourney
🚀 Day 95 of #Phase3 #180DaysOfCode 🚀
Completed Database Relationships 💻✨
• populate()
• One-to-Squillions (detail + implementation)
• MongoDB schema design docs
DB design getting stronger 🔥
#MongoDB #Database #BackendDevelopment #CodingJourney
🚀 Day 94 of #Phase3 #180DaysOfCode 🚀
Started Database Relationships 💻✨
• SQL Relationships — One-to-One, One-to-Many, Many-to-Many
• One-to-Few (detail + implementation)
• One-to-Many (detail + implementation)
#SQL #Database #BackendDevelopment #CodingJourney
🚀 Day 93 of #Phase3 #180DaysOfCode 🚀
Completed Project Phase 1 🏡✨
• Added ExpressError
• Created Error.ejs popup alerts
• Schema validation using Joi
• Validation middleware
Project becoming more production-ready 🔥
#NodeJS #ExpressJS #MongoDB #CodingJourney
🚀 Day 92 of #Phase3 #180DaysOfCode 🚀
Started Project Phase 1 (Part C) 🏡✨
• Client-side validation (New & Edit forms)
• Success & failure alerts
• Custom error handling
• Added wrapAsync
#NodeJS #ExpressJS #MongoDB #CodingJourney
🚀 Day 91 of #Phase3 #180DaysOfCode 🚀
Completed Backend Part 7 — Error Handling 💻✨
• Async error handling
• try-catch & wrapAsync
• Mongoose errors
Backend concepts getting more solid 🔥
#NodeJS #ExpressJS #MongoDB #CodingJourney
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