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What are the Applications of Stacks?

by Bhumika

The stacks applications include the following:

Balancing of symbols: The term “stacks” refers to the process of balancing a symbol. For instance, consider the following programme:

int main()  





Each programme, as we all know, contains opening and closing braces; when the opening braces occur, we stack them, and when the closing braces appear, we pop the opening braces off the stack. As a result, the net value is equal to zero. If any symbol is left in the stack, it indicates that a programme contains syntax.

String reversal: Reversing a string is also done with stack. For example, if we want to invert a “world” string, we can use a stack to accomplish this. To begin, we stack all of the characters in the string until we reach the null character. After we’ve pushed all of the characters, we’ll start removing them one by one until we’ve reached the bottom of the stack.

UNDO/REDO: It can use to carry out UNDO/REDO missions. For example, we have an editor in which we write ‘a,’ then ‘b,’ and finally ‘c,’ resulting in abc as the text written in the editor. As a result, three states are stores in a stack: a, ab, and abc. On the other hand, There would be two stacks, one displaying UNDO status and the other displaying REDO state. We implement a pop operation if we want to do a UNDO operation and achieve a ‘ab’ state.

Backtracking: Let’s say we need to make a path to get out of a maze. If we are on a certain road and recognise that we have taken the incorrect turn. Moreover, We must use the stack data structure to return to the beginning of the path and establish a new path.

Recursion: The function is recursion, which implies it is calling itself again. Furthermore, To keep track of prior states, the compiler constructs a system stack that stores all of the function’s previous records.

Memory management: The memory is manage from the stack. Contiguous memory blocks are using to assign memory. Because all of the variables are assigned in a function called stack memory, the memory is referred to as stack memory. The compiler is aware of the memory size allotted to the programme. All of the variables in the function are assign to the stack memory when it will construct. All variables assign to the stack are release after the function completes its execution.

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