Topic Wise Problem (I will Add More Problem when I will Solve) 1. Data Structure & STL Containers 👨💻 First Unique Character in a String One Integer Maximum Score From Removing Stones Find K Closest Elements Distribute Candies Bulls and Cows Smallest Range Covering Elements from K Lists 2. Bitmanipulation Basic 0️⃣1️⃣ Power of Four Decode XORed Array Sort Integers by The Number of 1 Bits Longest Consecutive 1's Hamming Distance 3. Bitmanipulation Practise Problems🔢 Single Number Non Repeating Numbers Single Number II Print all subsequences of a string Score After Flipping Matrix Triples with Bitwise AND Equal To Zero Bitwise AND of Numbers Range Total Hamming Distance Decode XORed Permutation Find the Shortest Superstring Bitmanipulation CF Problem 5. Maths For Competitive Programming 📐📏 5.1 Maths - Big Integer 📚💯 ADDXL JULKA 5.2 Maths - Linear Recurrence & Matrix Exponentiation ▧ C - POW Magic of the Locker Strange Function - Binary Exponentation Problem | CodeChef SPOJ.com - Problem SEQ SPOJ.com - Problem SPP SPOJ.com - Problem SPP3 SPOJ.com - Problem SPP2 SPOJ.com - Problem FIBOSUM 5.3 Maths - Pigeonhole Principle 🕊️ Divisible Subset | CodeChef The Gray-Similar Code | CodeChef SPOJ.com - Problem HOLI Problem - 1305C - Codeforces Decreasing Sequence Subarray Sum Divisible by N 6. Number Theroy For Competitive Programming🔢 6.1 - Prime Numbers & Factorisation 📘 Count Primes In Range Count Primes - LeetCode PRIME1 - Prime Generator Segmented Sieve Alice and candies | Practice Problems Prime Sum Closest Divisors - LeetCode Min operations to reduce N by multiplying by any number or taking square root - GeeksforGeeks 6.2 - Extended Euclidean Algorithm & Applications 📘 GCD2 | CodeChef Largest number that divides x and is coprime with y Problem - 992B - Codeforces Problem - 1459C - Codeforces