Uploaded August 2022 | Updated September 2026, 13 hours ago
In this video, I attempt to speed through 3 coding interview questions of progressively increasing difficulty: an easy coding interview problem, a medium coding interview problem, and a hard coding interview question. These are the kinds of coding interview problems that you would get at big tech companies like Google, and they're accessible for free on AlgoExpert.
Easy: algoexpert.io/questions/validate-subsequence
Medium: algoexpert.io/questions/river-sizes
Hard: algoexpert.io/questions/shift-linked-list
AlgoExpert: algoexpert.io/clem
SystemsExpert: systemsexpert.io/clem
MLExpert: algoexpert.io/ml
FrontendExpert: frontendexpert.io/clem
ProgrammingExpert: programmingexpert.io/clem
My LinkedIn: linkedin.com/in/clementmihailescu
My Twitter: twitter.com/clemmihai
My Instagram: instagram.com/clement_mihailescu
Prepping for coding interviews or systems design interviews? Practice with hundreds of video explanations of popular interview questions and a full-fledged coding workspace on AlgoExpert - algoexpert.io - and use the promo code "clem" for a discount on the platform!
In this video, I attempt to speed through 3 coding interview questions of progressively increasing difficulty: an easy coding interview problem, a medium coding interview problem, and a hard coding interview question. These are the kinds of coding interview problems that you would get at big tech companies like Google, and they're accessible for free on AlgoExpert.
Easy: algoexpert.io/questions/validate-subsequence
Medium: algoexpert.io/questions/river-sizes
Hard: algoexpert.io/questions/shift-linked-list
AlgoExpert: algoexpert.io/clem
SystemsExpert: systemsexpert.io/clem
MLExpert: algoexpert.io/ml
FrontendExpert: frontendexpert.io/clem
ProgrammingExpert: programmingexpert.io/clem
My LinkedIn: linkedin.com/in/clementmihailescu
My Twitter: twitter.com/clemmihai
My Instagram: instagram.com/clement_mihailescu
Prepping for coding interviews or systems design interviews? Practice with hundreds of video explanations of popular interview questions and a full-fledged coding workspace on AlgoExpert - algoexpert.io - and use the promo code "clem" for a discount on the platform!
