- Lexicographical concatenation of all substrings of a string
- Square Free Number
- N-th term of George Cantor set of rational numbers
- Heap Sort for decreasing order using min heap
- Find the only repetitive element between 1 to n-1
- Nicomachu's Theorem
- Height of a complete binary tree (or Heap) with N nodes
- Number of substrings of a string
- Maximize a value for a semicircle of given radius
- Swapping four variables without temporary variable
- Number of unmarked integers in a special sieve
- Find the mean vector of a Matrix
- Hilbert Matrix
- Check if a M-th fibonacci number divides N-th fibonacci number
- Check if a given graph is Bipartite using DFS
- Queries to find maximum product pair in range with updates
- Alternate Primes till N
- Alternate Fibonacci Numbers
- Check if a number with even number of digits is palindrome or not
- Program to find the Volume of an irregular tetrahedron
- Length of longest consecutive zeroes in the binary representation of a number.
- Numbers less than N which are product of exactly two distinct prime numbers
- Program to find the Nth Harmonic Number
- Check if it is possible to sort the array after rotating it
- Length of longest consecutive ones by at most one swap in a Binary String

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