C++ Queries for DFS of a Subtree in a Tree

C++ Queries on Probability of Even or Odd Number in Given Ranges

Find the Number of Substrings of a String using C++

Find the Number of Substrings of One String Present in Other using C++

Find the Number of Trailing Zeroes in Base 16 Representation of N! using C++

Find the Number of Trailing Zeroes in base B Representation of N! using C++

Find the Number of Triangles After N Moves using C++

Find the Number of Triangles Formed from a Set of Points on Three Lines using C++

Find the Number of Unique Pairs in an Array using C++

Find the Number of Unique Permutations Starting with 1 of a Binary String using C++

C++ Queries on XOR of Greatest Odd Divisor of the Range

C++ Queries on XOR of XORs of All Subarrays

C++ Queries to Answer the Number of Ones and Zeros to the Left of Given Index

C++ Range Sum Queries and Update with Square Root

C++ Range Sum Query Using Sparse Table

C++ Rat in a Maze with Multiple Steps or Jump Allowed

C++ Ratio of Mth and Nth Terms of an A. P. with Given Ratio of Sums

C++ Rearrange a string in sorted order followed by the integer sum

C++ Remove an Entry Using Key from HashMap while Iterating Over It

C++ Remove an Entry Using Value from HashMap while Iterating over It