LeetCode 204 Count Primes - Sieve of Eratosthenes Solution (Med, Java, O(n√n))
Jul 13, 2025 · 5 min read · Problem Description LeetCode 204 Count Primes Given an integer n, return the number of prime numbers that are less than n. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. For example, if n = ...
Join discussion




