𝗖𝗿𝗮𝗰𝗸𝗶𝗻𝗴 𝗦𝗗𝗘𝗧 𝗖𝗼𝗱𝗶𝗻𝗴 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 — 𝗟𝗲𝘁’𝘀 𝗠𝗮𝗸𝗲 𝗜𝘁 𝗘𝗮𝘀𝘆!

 

🔗 LinkedIn: https://www.linkedin.com/in/sidharth-shukla-77b53145/
📌 Telegram Group: https://t.me/+FTf_NPb--GQ2ODhl
📌 YouTube: https://www.youtube.com/@automatewithsidharth

𝗖𝗿𝗮𝗰𝗸𝗶𝗻𝗴 𝗦𝗗𝗘𝗧 𝗖𝗼𝗱𝗶𝗻𝗴 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 — 𝗟𝗲𝘁’𝘀 𝗠𝗮𝗸𝗲 𝗜𝘁 𝗘𝗮𝘀𝘆!

SDET coding rounds can be overwhelming. From string manipulations to multi-threading scenarios, companies expect you to write clean, optimized, and automation-friendly code.

👇 𝐂𝐨𝐦𝐦𝐨𝐧 𝐒𝐃𝐄𝐓 𝐂𝐨𝐝𝐢𝐧𝐠 𝐂𝐡𝐚𝐥𝐥𝐞𝐧𝐠𝐞𝐬 & 𝐇𝐨𝐰 𝐭𝐨 𝐒𝐨𝐥𝐯𝐞 𝐓𝐡𝐞𝐦:

✅ 𝗦𝘁𝗿𝗶𝗻𝗴 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴 & 𝗔𝗹𝗴𝗼𝗿𝗶𝘁𝗵𝗺𝘀

🔹 Reverse a string — Two-pointer approach.

🔹 Check for anagrams — Sort & compare OR use frequency maps.

🔹 Find the first non-repeating character — HashMap with frequency count.

🔹 Longest Palindromic Substring — Dynamic Programming (Manacher’s Algorithm).

⇒ Highest Selling 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗤&𝗔 𝗣𝗮𝗰𝗸𝗮𝗴𝗲 𝗳𝗼𝗿 𝗧𝗲𝘀𝘁 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗗𝗘𝗧: https://topmate.io/sidharth_shukla/605319

✅ 𝗔𝗿𝗿𝗮𝘆 & 𝗟𝗶𝘀𝘁 𝗠𝗮𝗻𝗶𝗽𝘂𝗹𝗮𝘁𝗶𝗼𝗻𝘀:

🔹 Two Sum Problem — HashMap for O(n) lookup.

🔹 Find duplicates in an array — XOR or HashSet for O(n) time.

🔹 Rotate an array — Reverse approach or cyclic replacement.

🔹 Merge two sorted arrays — Two-pointer technique.

✅ 𝗠𝗮𝗽, 𝗦𝗼𝗿𝘁𝗶𝗻𝗴 & 𝗦𝗲𝗮𝗿𝗰𝗵𝗶𝗻𝗴 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀:

🔹 Find the longest consecutive sequence in an unsorted array — Use a HashSet for O(n) solution

🔹 Sort an array using Merge Sort & Quick Sort — Understand time complexities and when to use each.

🔹 Find the top K frequent elements in an array — Use a HashMap for frequency count and a Min-Heap for sorting.

🔹 Binary Search on a sorted array — Implement recursive and iterative versions.

TIP:

Most Asked Easy coding problems for 3+ YOE:

- Reverse a String (or every word)

- Check if a String is a Palindrome

- Find the Missing Number in an Array

- Find Duplicate Characters in a String

• Count Vowels in a String

>> 𝗪𝗮𝗻𝘁 𝘁𝗼 𝘀𝘁𝗮𝗿𝘁 𝘆𝗼𝘂𝗿 𝗰𝗮𝗿𝗲𝗲𝗿 𝗶𝗻 𝗦𝗗𝗘𝗧 𝗮𝗻𝗱 𝗺𝗮𝘀𝘁𝗲𝗿 𝗰𝗼𝗱𝗶𝗻𝗴 𝘁𝗲𝗰𝗵𝗻𝗶𝗾𝘂𝗲𝘀? https://lnkd.in/giCxnJJ7

>>Learn Time & Space Complexity with examples on my YouTube Channel: https://lnkd.in/gVspq6rK

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