Which data structure is used to perform recursion and why?
Question
Which data structure is used to perform recursion and why?
Solution
Recursion in computer science is a method where the solution to a problem depends on solutions to smaller instances of the same problem. The data structure that is used to perform recursion is the Stack.
Here's why:
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Stack follows the Last-In-First-Out (LIFO) principle. This means that the last element that is added to the stack is the first one to be removed. This property is similar to how recursion works. In a recursive function, the function calls itself and each call is added to the stack. When the base condition is met, the function stops calling itself and starts to unwind. The last call to be added to the stack is the first one to be completed and removed from the stack.
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Stack is used to store the return address of the function calls. When a function is called in a program, the address of the instruction following the function call is stored on the stack. When the function call is completed, the program control returns to the stored address, which is the last
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