A letter means push and an asterisk means pop in the following sequence. Give the contents of s[0], ..., s[4] after the execution of this sequence of operations performed on an initially empty LIFO stack. L A * S T I * N * F I R * S T * * O U * T * * * * * *
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A letter means push and an asterisk means pop in the following sequence. Give the contents of s[0], ..., s[4] after the execution of this sequence of operations performed on an initially empty LIFO stack.
L A * S T I * N * F I R * S T * * O U * T * * * * * *
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- A letter means enqueue and an asterisk means dequeue in the following sequence. Give the sequence of values returned by the dequeue operations when this sequence of operations is performed on an initially empty LIFO stack: S O * B E A U * * * T * I F * * U L *. What is front and back values? (Write your answer in uppercase letters separated by comma(,) only. No need to write "front" and "back".) *Code in C One of the applications of a stack is to backtrack - that is, to retrace its steps. As an example, imagine we want to read a list of items, and each time we read a negative number we must backtrack and print the five numbers that come before the negative number and then discard the negative number. Use a stack to solve this problem. Use a stack and push them into the stack (without printing them) until a negative number is read. At this time, stop reading and pop five items from the stack and print them. If there are fewer than five items in the stack, print an error message and stop the program. After printing the five items, resume reading data and placing them in the stack. When the end of the file is detected, print the message and the items remaining in the stack. Sample Output 1 2 3 4 5 6 7 -1 7 6 5 4 3 9 6 4 3 -2 3 4 6 9 2 -3 Number of items left is less than five! Program is terminating! Project name : Backtrack Filenames: backtrack.h, backtrack.c,…A string may use more than one type of delimiter to bracket information into blocks. For example, a string may use braces { }, parentheses ( ), and brackets [ ] as delimiters. A string is properly delimited if each right delimiter is matched with a preceding left delimiter of the same type in such a way that either the resulting blocks of information are disjoint, or one of them is completely nested within the other. Write a program that uses a single stack to check whether a string containing braces, parentheses, and brackets is properly delimited.Use input file string.txt as input to test your program.Each line in the input file is a string. If the string is properly delimited, display a message stating so. If it is not properly delimited, display a message stating so.For example, if the input file contains the following 3 lines of strings:if (a[i] > b[i])while (c[index] < 0) { a++; b--; c[index++];}for ({int i = 0; num[i }];would display the following output: Processing…
- (Printing a Sentence in Reverse Order with a Stack) Write a program that inputs a line of text and uses a stack object to print the line reversed.What does the following code fragment print when N is 50? Give a high-level description of what it does when presented with a positive integer N. Stack stack = new Stack(); while (N > 0) { stack.push(N % 2); N = N / 2; } for (int d : stack) StdOut.print(d); StdOut.println();assume we use the STL of the stack, with the following code stack<char>s; string word=”stack”; int i; while (word[i]!=0) s.push(word[i]); while (!s.empty()) { Cout<<s.top(); s.pop(); } the output is a. stack b. kcats c. ack d. kcsta
- A SpecialStackTM is a stack modified to support the following two operations: PUSHCLEAR(v) successively pops consecutive items from the top of the stack that are less than u, then pushes v onto the stack. POP() deletes the item at the top of the stack. Assume these operations are implemented using a singly-linked list. PUSHCLEAR(v) iter- ates through the linked list to pop the applicable items and then adds v to the beginning. POP() deletes the first item. (a) Describe the ordering of values on the stack. (b) Explain how a single call to PUSHCLEAR(V) could take (n) time. (c) If we assume that every operation takes linear time, we get a naive bound of O(n²) on the total runtime. But this doesn't consider the fact that these expensive operations happen infrequently so let's analyze it more closely. Show that any sequence of n operations takes O(n) time. -Create a stack S of ten elements. Take a number x from the user and delete the elements smaller than or equal to X from the stack. Example: Suppose your initial stack is S where you pushed 10 elements as below- Top {9, 3, 4, 15, 20, 1, 6, 4, 9, 10} Bottom X is taken as input and X= 6. Then pop out and remove the elements greater than or equal to X. Finally, the stack will look like- Top {3, 4, 1, 4} Bottom In c++ PleaseCan you explain in detail, line by line, what the attached algorithm is doing? I need further understanding. For further clarification the prompt asks the following: Write an algorithm Replace that takes a stack and two items. If the first item is in the stack, replace it with the second item, leaving the rest of the stack unchanged.
- Write an algorithm to insert a single linked list to the end of another singly linked list. Write an algorithm and java program to Sort a stack using a temporary stack.The Programming Example, Converting a Number from Decimal to Binary, contains a program that uses recursion to convert a decimal number into an equivalent binary number. Write a program that uses a stack to convert a decimal number into an equivalent binary number.Create a stack S of ten elements. Take a number x from the user and delete the elements smaller than or equal to X from the stack.Example: Suppose your initial stack is S where you pushed 10 elements as below- Top {9, 3, 4, 15, 20, 1, 6, 4, 9, 10} BottomX is taken as input and X= 6. Then pop out and remove the elements smaller than or equal to X. Finally, the stack will look like-Top {9, 15, 20, 9, 10} Bottomin c++ please