In c++ Q1: Create a function int evaluatePostfix(const string& expr) that uses StackDLL to evaluate themathematical expression is postfix(the operator after the 2 operands) Examples:evaluatePostfix("35+") returns 8evaluatePostfix("32*31*/") returns 2evaluatePostfix("51-21++") returns 7test your function in the main driver

Evaluating Postfix Expressions Using a StackUnderstanding Postfix ExpressionsIn postfix notation,…

Answered: Q1: Create a function int…

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter10: Pointers

Section: Chapter Questions

Problem 2PP

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Please help, #include <stdlib.h> // malloc/free and NULL // Include the declarations of our string functions#include "mystring.h" // search: 'man strlen' to see what function should dosize_t my_strlen(const char* input){ // IMPLEMENT return 0; } // search: 'man strcmp' to see what function should doint my_strcmp(const char* src1, const char* src2){ // IMPLEMENT return 0; } // search: 'man strchr' to see what function should dochar* my_strchr(const char* src1, int c){ // IMPLEMENT return NULL; } // search: 'man strcat' to see what function should do// Note: Our 'string append' is going to be slightly different// than 'strcat'. // I would like you to return a 'heap allocated' string// that appends both of src1 and src2 into a new bufferchar* my_string_append(const char* src1, const char* src2){ // IMPLEMENT return NULL; }
C++ Given code is #pragma once#include <iostream>#include "ourvector.h"using namespace std; ourvector<int> intersect(ourvector<int> &v1, ourvector<int> &v2) { // TO DO: write this function return {};}
vowelIndex Write a function vowelIndex that accepts a word (a str) as an argument and returns the index of the first vowel in the word. If there is no vowel, -1 is returned. For this problem, both upper and lower case vowels count, and 'y' is not considered to be a vowel. Sample usage: >>> vowelIndex('hello') 1 >>> vowelIndex('string') 3 >>> vowelIndex('string') 3 >>> vowelIndex('BUY') 1 >>> vowelIndex('APPLE') 0 >>> vowelIndex('nymphly') -1 >>> vowelIndex('string')==3 True >>> vowel Index ('nymphly')==-1 True
> amount; 4 cout > amount; 11 cout << endl; 12 int numBills2 = (int) (amount / 20.0); 13 if (numBills2 * 20.0 < amount) { 14 numBills2++; 15} 16 cout << "John needs " << numBills1 << "bills" << endl; 17 cout << "Jane needs " << numBills2 << " bills" << endl; Function: Write a C++ function as described, not a complete program. ✔ Submit
2 Write the_code for the function printRoster, it should print out the contacts in a format similar to the example. You can use a range-based for-loop and auto to simplify the solution, if you wish. } #include #include #include #include #include 3 using namespace std; ) void printRoster(map>>& roster) { ) |/ Fill code here | } 2 int main({ map>> roster; roster["UCLA"]["CS15"]. emplace_back("Anthony Davis"); roster("UCLA"]["CS15"].emplace_back("Talen Horton-Tucker"); 5 roster("UCLA"]"MATH-101"]. emplace_back("LeBron James"); 1 roster("SMC"]["CHEM-101"]. emplace_back("Russel1 Westbrook"); 3 printRoster(roster); } return; Sample Output 2 UCB MATH101: LeBron James Cs15: Anthony Davis Talen Horton-Tucker SMC CHEM-101: Russell Westbrook
Write a void function that prints the list of nonnegative integers in reverse. Write a void function that prints all the numbers stored in the list that are greater than 10. It will also print the number of such numbers found. Write a function that determines the largest value stored in the array and returns that value to the calling function main. Write a function that determines the number of even integers stored in the array and returns that value to the calling function main. Write a function that calculates the average of the values stored in the array and returns that value. to the calling function main. Write the function calls with the appropriate arguments in the function main. Any values returned will be output. Write appropriate block comments for each function header similar to the ones provided. Show your understanding of the program and thus provide useful information to the reader. Test all the functions using appropriate test data. Use the following code and edit it…
In C++ Write a recursive function that displays a string reversely on the console using the following header:void reverseDisplay(const string& s) For example, reverseDisplay("abcd") displays dcba. Write a test programthat prompts the user to enter a string and displays its reversal.
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function myCompose(f,g){// TODO: return (f o g);// that is, a function that returns f(g(x)) when invoked on x.}

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