Shriharsh Nandigamwar

Fullstack Developer

[Shriharsh Nandigamwar @Harsh477011]

Took a break from X to actually fix bugs instead of scrolling through memes about them.
​The bugs won. I'm back. 🙃

[Shriharsh Nandigamwar @Harsh477011]

@pritam_mandal77 Our Project Management teacher explains projects so well…
…you’d never guess she hasn’t made a single one in her entire life. Peak management! 😅

[Shriharsh Nandigamwar @Harsh477011]

@pritam_mandal77 i think you need RTX 5090 for localhost ☠️

[Shriharsh Nandigamwar @Harsh477011]

💯 Completed 100 Days of DSA

Learned so much not just DSA, but patience, consistency, and discipline.
Big thanks to Raj Vikramaditya for the amazing A2Z DSA Sheet 🙏

This isn’t the end just the beginning.
Onwards with harder problems, deeper concepts, and daily improvement.

[Shriharsh Nandigamwar @Harsh477011]

🎯 Day 100 of #100DaysOfDSA
Solved LC 29 – Divide Two Integers

Time Complexity: O(log N)
Space Complexity: O(1)

Feeling proud to complete 100 days of consistency! 💯🔥
#LeetCode #DSA #CodingJourney #Milestone

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 99 of #100DaysOfDSA
Solved LC 231 – Power of Two ⚡

Method Used: Bitwise Manipulation (Brian Kernighan's Principle)
⏱️ Time: O(1)
💾 Space: O(1)

#100DaysOfDSA #LeetCode #BitManipulation #DSA

[Shriharsh Nandigamwar @Harsh477011]

@Pratikshak19332 Thank you 😊

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 96 of #100DaysOfDSA
Solved LC 51 – N-Queens 👑

Used Backtracking with safety checks to place queens safely on the board.
⏱️ O(N!) | 💾 O(N²)

#100DaysOfDSA #LeetCode #DSA #Backtracking #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 98 of #100DaysOfDSA
Solved LC 282 – Expression Add Operators ➕

Used Backtracking with State Management to explore all valid expressions.
⏱️ O(4ⁿ) | 💾 O(4ⁿ · N)

#100DaysOfDSA #LeetCode #DSA #Backtracking #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

@ritik65477 thank you bro 🔥

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 97 of #100DaysOfDSA
Solved LC 139 – Word Break ✂️

Used Dynamic Programming to check valid word segmentations.
⏱️ O(N²) | 💾 O(N)

#100DaysOfDSA #LeetCode #DSA #DynamicProgramming #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

@pritam_mandal77 ☠️

[Shriharsh Nandigamwar @Harsh477011]

@pritam_mandal77 Intel i5 12450H
16GB DDR4 Ram
512 NVMe SSD
Nvidia RTX 2050

[Shriharsh Nandigamwar @Harsh477011]

@ritik65477 Thank you bro 🔥

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 95 of #100DaysOfDSA
Solved LC 79 – Word Search 🔍

Used DFS + Backtracking to explore all paths in the grid.
⏱️ O(N × M × 4ᴸ) | 💾 O(N × M)

#100DaysOfDSA #LeetCode #DSA #Backtracking #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 94 of #100DaysOfDSA
Solved LC 131 – Palindrome Partitioning 🧩

Method: Backtracking with Pruning
⏱️ O(N · 2ⁿ) | 💾 O(N²)

#100DaysOfDSA #LeetCode #DSA #Backtracking #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 93 of #100DaysOfDSA
Solved LC 17 – Letter Combinations of a Phone Number ☎️

Method: Backtracking (DFS)
⏱️ O(4ⁿ · n) | 💾 O(4ⁿ · n)

#100DaysOfDSA #LeetCode #DSA #Backtracking #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

@M56957992Pritam Done from my side 👍🏻

[Shriharsh Nandigamwar @Harsh477011]

🚀 Day 92 of #100DaysOfDSA
Solved LC 216 – Combination Sum III 🔢

Method: Backtracking with Constraints
⏱️ Time: O(1) approx. bounded | 💾 Space: O(k · C(9, k))

#100DaysOfDSA #LeetCode #DSA #Backtracking #StriverSheet

[Shriharsh Nandigamwar @Harsh477011]

@Atef941272 Done from my side 👍🏻