How would you design a stack which, in addition to push and pop, also has a function min which returns the minimum element? Push, pop and min should all operate in O(1) time. Your design (in pseudo code) should include a class Stack and three functions, i.e., push, pop, and min.
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How would you design a stack which, in addition to push and pop, also has a function min which returns the minimum element? Push, pop and min should all operate in O(1) time. Your design (in pseudo code) should include a class Stack and three functions, i.e., push, pop, and min.
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- : How would you design a stack which, in addition to push and pop, has a function min which returns the minimum element? Push, pop and min should all operate in 0(1) time.write a function that takes a pointer to the top of a stack <double> and creates and returns a new stack double where the new stack contains all nodes from the original stack with data == 0 c++In Go Lang 4. Program stack. For the following code, answer the following questions. Assume we are putting everything for our function calls on the stack. · Show what a stack frame/activation record for main() looks like · Show what the stack frame/activation record for the 2nd call to ctTarg look like? (Yes, this means you can skip the other stack frames) · We note that targ does not change value in any recursive call. Why doesn't the compiler just store targ once in one block of memory big enough to store a string? int ctTarg(string* list, int len, string targ) { if (len <= 0) return 0; if (*list == targ) return 1 + ctTarg(list + 1, len - 1, targ); return ctTarg(list + 1, len - 1, targ); } int main() { string pets[] = {"cat", "dog", "mouse", "cat"}; cout << ctTarg(pets, 4, "cat") << endl; }
- Write a program to implement the algorithm for evaluating postfix expressions that involve only single-digit integers and the integer operations +, -, *, and /. To trace the action of postfix evaluation, display each token as it is encountered, and display the action of each stack operation. 1. Each digit or operator should be separated by a space, and end with ':' character. 2. You should apply the stack ADT in the program. 3. You may need to use function is digit(int c) in standard header file #include <cctype> to check if the token character is a digit or not. 4. To convert the single-digit char c to the represented integer num, a simple method is to assign num by aChar - '0'Write a function that uses a stack to test whether a given string (as a character array) is a palindrome. Exercise 14 asked you to write an algorithm for such a function. Although this solution can be solved with simple looping (and it is with the isPlaindromIterative function) - we want to demonstrate an understanding of stack structures to check for a palindrome. Input accept a string (as a character array) add characters to the stack Processing push pop peek (top) Output use stack methods to check for palindromes Efficient CorrectWrite a Java public static general function which doesn't belong to the Stack class, isGreaterThan that determines if one stack is greater than another stack. If the summation of every other item(starting at the top) from one stack is greater than the summation of every other item(starting at the top) from another, return true, otherwise, return false. After you call this method, both stacks should stay the same as they are called before. Receives: a Stack type argument S1 and another Stack type argument S2 Postcondition: If the summation of every other item (starting at the top) from S1 is greater than the summation of every other item (starting at the top) from S2, return true, otherwise, return false. Both S1 and S2 should stay the same as they are called before. public static boolean isGreaterThan(Stack S1, Stack S2)
- A stack of integer elements is implemented as an array. The index of the topelement is kept in position 0 in the array, and the stack elements are stored in stack[1], …,stack[stack[0]].1. How does this implementation fare when assessed against the idea of an array as ahomogeneous collection of data elements?2. How would this implementation change the stack specification?3. How would it change the implementation of the functions?Suppose a node of a linked list is defined as follows in your program: typedef struct{ char data; struct Node* link; } Node; Write the definitions of two functions (i) Node* pop(Node* top) – which removes the top element of the stack, and (ii) bool compare(Node* topA, Node* topB) - which returns true if the both stacks have identical data. The function returns false if the data in both stacks are not identical. In the function definitions, top, topA, and topB point the top elements of corresponding stacks. You must use the following function definitions in your answer. The peek function has already been defined. You need to write the definition of pop and compare functions. You are not allowed to modify the parameters and/or return types of the functions. Node* pop(Node* top){ //write the function definition } char peek(Node* top){ return top->data; } bool compare(Node* topA, Node* topB){ //write the function definition } Write the time complexity in Big-O notation…Can you please explain this code to me step-by-step? I especially did not get how s.append(x) is iteratively adding the elements back to the stack without any loop. Note: If you can spot any mistake in the function call, please point that out as well. CODE To Delete Middle Element of a Stack: def deleteMid_util(s, sizeOfStack, current): #if current pointer is half of the size of stack then we #are accessing the middle element of stack. if(current==sizeOfStack//2): s.pop() return #storing the top element in a variable and popping it. x = s.pop() current+=1 #calling the function recursively. deleteMid_util(s,sizeOfStack,current) #pushing the elements (except middle element) back #into stack after recursion calls. s.append(x) def deleteMid(s, sizeOfStack): deleteMid_util(s, sizeOfStack, 0) res = deleteMid([1,2,3,4,5], 5) print(res)
- I am writing a stack code, where there are two stacks that reads an array of 40 numbers and puts them in ascending and descending order. I put my code on the bottom. The requirements of the code was to write the stack functions using arrays, but whenever i run the code it does not work. However, if use stack in built function the code works. Help me please. PS: I Attached the code requirements. struct Stack1 { int *arr; int NextIndex; int capacity; Stack1() { capacity = 20; arr = new int[capacity]; NextIndex = 0; } int size () { return NextIndex; } bool isEmpty() { if (NextIndex == 0) { return true; } else return false; } void push(int ele) { if (NextIndex == capacity) { int *newArr = new int[2*capacity]; for(int i = 0; i < capacity; i++) {…How would you create a stack with a function called min that returns the least element in addition to push and pop? In 0(1) time, push, pop, and min should all function.I'm having a hard time seeing the problem with this buffer overflow problem can someone please elaborate if its secure or not, and if there are any other issues with the implementation in the problem? Someone tries to fix the stack based buffer overflow problem as follows, is it secure now? why? Are there any other issues within the function's implementation below? Explain your reasoning. int bof(char *str, int size) { char *buffer = (char *) malloc(size); strcpy(buffer, str); return 1; }