Boris ProIT
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LeetCode β€’ Tech Interviews β€’ Algorithms
🎯 I teach you to think, not copy code
⚑️ Tips & tricks for solving algorithms
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🎯 Just dropped my first coding tutorial!

LeetCode 1768: Merge Strings Alternately

This isn't just a solution walkthroughβ€”I'm teaching you HOW to think through problems.

32 min deep-dive covering:
βœ… Fishing for keywords
βœ… Core logic breakdown
βœ… Debugging techniques

[VIDEO LINK]

#LeetCode #Python #CodingInterview
πŸ”₯6
This time I’m breaking down one of the most common mistakes candidates make when solving LeetCode 1768 β€” Merge Strings Alternately.
A tiny detail that can cost you the interview.

In this English short, you’ll learn:
βœ… The mistake almost everyone makes
βœ… Why it breaks your solution
βœ… How to fix it in under 30 seconds

YouTube (eng πŸ‡¬πŸ‡§) - [VIDEO LINK]

And if you want the full deep-dive solution in Russian, here are all three platforms:

πŸ‡·πŸ‡Ί YouTube β€” Full breakdown
[YT LINK]

πŸ‡·πŸ‡Ί VK β€” Full breakdown
[VK LINK]

πŸ‡·πŸ‡ΊRuTube β€” Full breakdown
[RUTUBE LINK]

More shorts + long-form tutorials coming soon β€” stay tuned.
#LeetCode #CodingInterview #Python #Algorithms
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🎯 Failing LeetCode 1768?
3 Interview Mistakes You’re Making

Most candidates think Merge Strings Alternately is β€œtoo easy to fail.”
But in real interviews, this task filters out people who don’t understand how to think like developers.

In this English short, you’ll learn:

βœ… 3 silent mistakes that break your solution
βœ… Save it for later

YouTube (eng πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

And if you want the full deep-dive solution in Russian, here are all three platforms:

πŸ‡·πŸ‡Ί YouTube β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί VK β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί RuTube β€” [VIDEO LINK]
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🎯 LeetCode 1768: Interview Twists That Catch 90% of Candidates
Most people think Merge Strings Alternately is β€œtoo easy to fail.”
But in real interviews, this problem is used as a trap to expose weak thinking patterns.

In this new short, you’ll see:

βœ… 3 interview twists candidates never expect
βœ… The hidden logic recruiters are checking
βœ… Why β€œsimple tasks” often filter out more people than hard ones
πŸ’Ύ Save it for later β€” this one matters

YouTube (ENG πŸ‡¬πŸ‡§) - [VIDEO LINK]

If you want the Russian version, here are all platforms:

πŸ‡·πŸ‡Ί YouTube (RU) - [VIDEO LINK]


πŸ‡·πŸ‡Ί VK - [VIDEO LINK]


πŸ‡·πŸ‡Ί RuTube - [VIDEO LINK]


If you find these shorts useful β€” drop a like ❀️
It helps me create more interview-focused content for you.

#LeetCode #CodingInterview #Python #Algorithms
πŸ”₯6
🎯 LeetCode 1071: How I Solved It Without Memorizing
Most people try to brute-force this task or memorize patterns.
But the real power of GCD of Strings comes from understanding the hidden structure behind repeating substrings.

In this new video, you’ll learn:

βœ… The core intuition behind β€œstring GCD”
βœ… How to derive the solution from scratch (no memorization)
βœ… A clean Python implementation with full explanation
βœ… Real examples + tricky edge cases interviewers love
πŸ’Ύ Save this one β€” it builds long-term problem-solving skills.

πŸ“Œ YouTube (ENG πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

If you want the Russian version, here are all platforms:

πŸ‡·πŸ‡Ί YouTube (RU) β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί VK β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί RuTube β€” [VIDEO LINK]

If this breakdown helps you β€” hit like ❀️
It motivates me to keep making deeper, interview-focused content for you.

#LeetCode #CodingInterview #Python #Algorithms
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🎯 LeetCode 1071: STOP Doing This
Most candidates attack GCD of Strings with random guesses or brute force.
And that’s exactly why this β€œsimple” problem quietly destroys interview performance.

In this new short, you’ll learn:

βœ… The #1 mistake almost everyone makes
βœ… Why guessing patterns leads to failure
βœ… The mindset shift that turns this task into pure logic
βœ… A faster way to spot the real GCD idea instantly
πŸ’Ύ Save it β€” this fixes a bad habit that shows up in MANY interview problems.

πŸ“Œ YouTube (ENG πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

If you prefer Russian, here are all platforms:

πŸ‡·πŸ‡Ί YouTube (RU) β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί VK β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί RuTube β€” [VIDEO LINK]

If this helps you level up β€” drop a like ❀️
It tells me to make more β€œinterviewer-style” content that exposes real weaknesses.

#LeetCode #CodingInterview #Python #Algorithms
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Time to repeat!

🎯 LeetCode 1768: Full Solution in 2 Minutes
People think Merge Strings Alternately is too basic to study β€”
but mastering these β€œeasy” patterns is what actually builds interview speed.

In this new short, you’ll see:

βœ… A complete Python walkthrough in under 2 minutes
βœ… The exact loop structure interviewers expect
βœ… How to avoid the common merge mistakes
βœ… A clean solution you can reuse in harder string problems
πŸ’Ύ Save this β€” repetition builds intuition.

πŸ“Œ YouTube (ENG πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

If you prefer Russian, here are all platforms:

πŸ‡·πŸ‡Ί YouTube (RU) β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί VK β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί RuTube β€” [VIDEO LINK]

If this helps you sharpen your interview fundamentals β€” drop a like ❀️
It tells me to produce more fast, high-precision breakdowns.

#LeetCode #CodingInterview #Python #Algorithms
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🎯 Can You Solve This Coding Problem in ONE Line? β€” LeetCode 1071

Most people overthink GCD of Strings, but this task becomes insanely simple
once you understand the core compatibility check behind it.

In this new short, you’ll see:

βœ… How to solve the entire problem in a single line
βœ… Why this works mathematically (not by guessing)
βœ… A fast check interviewers LOVE to see
βœ… The cleanest version of the solution you can reuse anywhere
πŸ’Ύ Save it β€” this one upgrades your pattern recognition.

πŸ“Œ YouTube (ENG πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

If you prefer Russian, here are all platforms:

πŸ‡·πŸ‡Ί YouTube (RU) β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί VK β€” [VIDEO LINK]


πŸ‡·πŸ‡Ί RuTube β€” [VIDEO LINK]

If this helps you sharpen your interview fundamentals β€” drop a like ❀️
It tells me to produce more fast, high-precision breakdowns.

#LeetCode #CodingInterview #Python #Algorithms
πŸ”₯2
🎯 You MUST Know This: How the GCD Formula Actually Works β€” LeetCode 1071 (1 Minute)

Most people can use GCD in this problem β€”
but very few actually understand why the formula works.

In this new 60-second breakdown, you’ll learn:

βœ… The real intuition behind using GCD for strings
βœ… Why the compatibility check str1 + str2 == str2 + str1 is the key
βœ… How GCD(len1, len2) instantly gives the pattern length
βœ… A 10-second explanation interviewers love
πŸ’Ύ Save this β€” it upgrades your fundamentals permanently.

πŸ“Œ YouTube (ENG πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

Prefer Russian? Here are all platforms:

πŸ‡·πŸ‡Ί YouTube (RU) β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί VK β€” [VIDEO LINK]

πŸ‡·πŸ‡Ί RuTube β€” [VIDEO LINK]

If this helps you sharpen your interview intuition β€” drop a ❀️
It tells me to create more fast, high-precision breakdowns.

#LeetCode #CodingInterview #Python #Algorithms
πŸ”₯2
🎯 Easy Python Solution β€” How to Solve LeetCode 1431 (Kids With Candies)

This problem looks trivial β€” and that’s exactly why many candidates fail it.
Interviewers use tasks like this to check clarity of thinking, not syntax.

In this short breakdown, you’ll see:

βœ… The cleanest Python solution with zero overthinking
βœ… How to identify the real condition behind the problem
βœ… Why a single comparison is all you need
βœ… A pattern you can instantly reuse in similar questions
πŸ’Ύ Save this β€” β€œeasy” problems build interview speed.

πŸ“Œ YouTube (ENG πŸ‡¬πŸ‡§) β€” [VIDEO LINK]

If you prefer Russian, here’s the RU version:
πŸ‡·πŸ‡Ί YouTube (RU) β€” [VIDEO LINK]


If this helps you sharpen your interview fundamentals β€” drop a ❀️
It tells me to keep producing fast, high-signal explanations.

#LeetCode #CodingInterview #Python #Algorithms
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