Count Primes - LeetCode 204 - Sieve of Eratosthenes - Coding Interview

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The Problem is that they give us an integer n, and they ask us to count the number of prime numbers that are strictly less than n.
A prime Number is a number greater than one that is only divisible by one and itself.

To solve this Problem we will use The Sieve of Eratosthenes Algorithm.
Next, we present the solution and walk you through the code step by step, highlighting the key points and explaining the logic behind each part of the solution.

Whether you are preparing for a technical interview or just looking to improve your coding skills, this video is a great resource.

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Understanding The Problem : (0:00)
What is a prime number ? : (0:20)
The The Sieve of Eratosthenes Algorithm : (0:38)
Complexity Analysis : (3:18)
Code Explanation : (3:42)