Prerequisite: Recursion in C languageRecursive function A function which calls itself is a recursive function. There is basically a statement somewhere inside the function which calls itself. It is also sometimes called a "circular definition". ...
recursion is a technique in programming where a function calls itself to solve a problem. it involves breaking down a complex problem into smaller subproblems. each time the function calls itself, it works on a smaller subset of the original problem until a base case is reached, allowing the ...
free() function in C++ <cstdlib> library is used to deallocate a memory block in C++. Whenever we call malloc, calloc or realloc function to allocate a memory block dynamically in C++, compiler allocates a block of size bytes of memory and returns a pointer to the start of the block. T...