valuate the following (postfix) expression using a stack. Assume A=1, B = 2 and C = 3. ABC+*CBA-+*
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Evaluate the following (postfix) expression using a stack. Assume A=1, B = 2 and C = 3.
ABC+*CBA-+*
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- Consider the following postfix expression. Use stack to evaluate it. 6 3 2 4 + - * The value of the above postfix expression after evaluation will be: A) 74 B) 1 40 D) -18D. If the values of A, B , C and D are 2, 3, 4 and 5 respectively, manually calculate the value of the following postfix expressions using stack. a. AB*C-D+ b. ABC +*D- ||Create a C code that will allow the user to input a word and check whether it is a palindrome or not. Use a stack to reverse the order of a string and identify whether it is a palindrome or not. It should not be case-sensitive. Example 1: Input string: Racecar Reversed string: RACECAR (Note, this can also be all lowercase) Palindrome: Yes exampl 2: Input string:caRrot Reversed string: TORRAC(Note, this can also be all lowercase) Palindrome: No Note: maximum string length is 20
- #include <stdlib.h>#include <string.h>#include <stdio.h>#include "stack.h" /* Checks whether the parenthesis in str are balanced using the stack. Returns 1, if balanced 0, if unbalanced An expression has balanced parenthesis if it satisfies the following conditions: 1. The first observed parenthesis cannot be a closing parenthesis 2. All opening parentheses should have matching closing parenthesis 3. The parentheses cannot be intertwined but can be nested*/int parenthesis_balance_check(LINKED_STACK stack, char* str); int main() { return 0;} PLEASE ONLY USE "C" LANGUAGE, DONT USE "C#" AND "C++"Consider the following postfix expression. Use stack to evaluate it. 6 3 2 4 + The value of the above postfix expression after evaluation will be: а. 40 b.-18 c. 1 d. 74Evaluate the following postfix expression using stack. 2 10 + 9 6 - /
- 7. The following function converts a postfix expression to an infix expression assuming the expression can only contain unsigned integer numbers and +' and -' operators. 1. public static String convert (String postfix) { 2. String operand1, operand2, infix; 3. Stack s = new AStack; 4. int i = 0; 5. while (i < postfix.length) { char nextc = postfix.charAt (i); if ((nextc 6. 7. '+')|| (nextc == '-') { == operand2 = s.pop (); operandl = s.pop () ; infix = '(' + operandl + nextc + operand2 + ')'; s.push (infix); i++; 8. 9. 10. 11. } 12. else if (Character.isDigit (nextc)){ int start = i; while (Character.isDigit (postfix.charAt (i)) i++; infix = postfix.substring (start, i); s.push (infix); 13. 14. 15. 16. 17. } else i++; 18. 19. } 20 return s.pop () ; 21. } (a) Rewrite only the lines of code that need to be changed so that the above function converts a postfix expression to a prefix expression. (b) Describe in words what changes are needed on the above given convert () function so that it…Evaluate the following postfix expression using stack. 823+-382/+ * 2+6 A BI. =而Create a code that will allow the user to input a word and check whether it is a palindrome or not. Use a stack to reverse the order of a string and identify whether it is a palindrome or not. It should not be case-sensitive. Example 1: Input string: Racecar Reversed string: RACECAR (Note, this can also be all lowercase) Palindrome: Yes exampl 2: Input string:caRrot Reversed string: TORRAC(Note, this can also be all lowercase) Palindrome: No Note: maximum string length is 20
- Problem Description The hailstone sequence is defined as the integer sequence that results from manipulating a positive integer value n as follows: If n is even, divide it by 2 (using floor division) • If n is odd, multiply it by 3 and then add 1 Repeat this process until you reach 1. For example, starting with n = 5, we get the sequence 5, 16, 8, 4, 2, 1. If n is 6, we get the sequence 6, 3, 10, 5, 16, 8, 4, 2, 1. If n is 7, we get 7, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1. If n is 8, we get the sequence 8, 4, 2, 1. As far as anyone can tell, this process will eventually reach 1 for any starting value, although mathematicians have been unable to formally prove this property as of yet. a. Write a Python function named hail () that takes a single integer argument. hail() should print out the sequence of numbers generated by applying the process above to the function parameter. This function does not return any value.Question 2. Draw/Show the contents of the stack for the following data during each step through using the word: сирсаkes a. During input b. During output* This function evaluates the provided postfix expression. When an operand is encountered, it is added to the stack. When an operator is encountered, two operands are popped, the operation is evaluated, and the result is pushed to the stack.* @param expr string postfix expression representation * @return value of the supplied expression
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