Maths

1.Count Prime2.Pascal's Triangle4.Hamming Distance3.Extra Long Factorials4.Factorial Trailing Zeroes5.Excel Sheet Column Number6.HCF and LCM7. Fizz Buzz8. Rearrange an array so that arr[i] becomes arr[arr[i]]9. XOR Queries of a Subarray10. Find second largest element

Some Formula of Maths

Formula