Sin( ) function for complex number in C++

map count( ) function in C++

Upper bound and Lower bound for non increasing vector in C++

Different methods to copy in C++ STL - std::copy(), copy_n(), copy_if(), copy_backwards()

Queries to add, remove and return the difference of maximum and minimum in C++

Find distance between two nodes of a Binary Tree in C++ Program

Queries to answer the X-th smallest sub-string lexicographically in C++

Queries to check if a number lies in N ranges of L-R in C++

Queries to check if it is possible to join boxes in a circle in C++

Queries to check whether a given digit is present in the given Range in C++

Queries to count the number of unordered co-prime pairs from 1 to N in C++

Queries to find distance between two nodes of a Binary tree – O(logn) method in C++

Queries to find maximum product pair in range with updates in C++

Queries to find the last non-repeating character in the sub-string of a given string in C++

Queries to find whether a number has exactly four distinct factors or not in C++

Sum of the products of all possible Subsets in C++

Sum of the series 0.7, 0.77, 0.777 … upto n terms in C++

Sum of the series 1 / 1 + (1 + 2) / (1 * 2) + (1 + 2 + 3) / (1 * 2 * 3) + … + upto n terms in C++

Sum of the series 1 + (1+2) + (1+2+3) + (1+2+3+4) + ... + (1+2+3+4+...+n) in C++

Sum of the series 1 + (1+3) + (1+3+5) + (1+3+5+7) + + (1+3+5+7+....+(2n-1)) in C++