1. Small factorials (Codechef) 2. Add Two Numbers (Codechef) 3. Difference Between Element Sum and Digit Sum of an Array (Leetcode) 4. Kids With the Greatest Number of Candies (Leetcode) 5. Pet Store (Codechef) 6. Minimum Number of Moves to Seat Everyone (Leetcode) 7. Smallest Index With Equal Value (Leetcode)

1. Search in Rotated Sorted Array (Leetcode) 2. Permutations (Leetcode) 3. Continuous Subarray Sum (Leetcode) 4. I Wanna Be the Guy (Codeforces) 5. Kadane's Algorithm (GFG) 6. The Celebrity Problem (GFG) 7. Soldier and Bananas (Codeforces)