Day 10/21 – Sum of All Prime Numbers 🔥 | Sieve of Eratosthenes | Samsung Adobe Asked скачать в хорошем качестве

Day 10/21 – Sum of All Prime Numbers 🔥 | Sieve of Eratosthenes | Samsung Adobe Asked

Day 10 of 21 Days DSA Challenge In this video, we solve the Sum of All Prime Numbers between 1 and N problem using the optimal Sieve of Eratosthenes approach. This question is asked in: Samsung Adobe TCS NQT Other Service & Product Based Companies 🔎 Problem Statement Given a number n, return the sum of all prime numbers between 1 and n (inclusive). 🧠 What You’ll Learn ✅ What is a Prime Number ✅ Brute Force Approach ✅ Optimized Sieve of Eratosthenes ✅ Time Complexity Analysis ✅ Java Implementation ✅ Interview Optimization Tips ⚡ Optimal Approach We use Sieve of Eratosthenes: Create a boolean array Mark non-primes Add all remaining prime numbers ⏱ Complexity Time Complexity: O(n log log n) Space Complexity: O(n) 🎯 Why This Problem Is Important? This problem tests: Mathematical thinking Optimization skills Understanding of Sieve algorithm Handling constraints up to 10⁵ Master this and you can easily solve: Prime count problems Prime range queries Competitive programming prime problems 🔥 Comment “DAY 10 DONE” after watching 🔥 Like & Subscribe for daily DSA #PrimeNumbers #SieveOfEratosthenes #DSA #Samsung #Adobe #TCSNQT #Java #CodingInterview #Day10 #PlacementPreparation