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C++: Assume you find the following line in a C++
int *ptr = new int[10];
Of the lines below, which would you most expect to see called later in the program's execution?
A) delete [] ptr;
B) ptr[10] = 0;
C) int ptr[10];
D) delete [] int;
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- pointers as Arguments:In the C programming language there is no pass-by-reference syntax to passa variable by reference to a function. Instead a variable is passed by pointer(just to be confusing, sometimes passing by pointer is referred to as pass byreference). This Practice Program asks you to do the same thing as C.Here is the header for a function that takes as input a pointer to an integer:1. void addOne (int ∗ptrNum )Complete the function so it adds one to the integer referenced by ptrNum.Write a main function where an integer variable is defined, give it an initialvalue, call addOne, and output the variable. It should be incremented by 1.C++ language Write a program using Switch statement to perform the following functionalities.1. Press a to call functionOne.2. Press b to call functionTwo.3. Press c to call functionThree.4. Exit as any other key pressed.(default)functionOne will return product of all integers entered by user in array of size 8.functionTwo will perform greatest value in array entered by user.funtionThree will calculate lowest value in an array entered by user.C++ programming Chapter(s) Covered: Chapter 1-8 Concepts tested by the program: Working with one dimensional parallel arrays Use of functions Use of loops and conditional statements Project Description The Lo Shu Magic Square is a grid with 3 rows and 3 columnsshown below. The Lo Shu Magic Square has the following properties: The grid contains the numbers 1 – 9 exactly. Each number 1 – 9must not be used more than once. So, if you were to add up thenumbers used, The sum of each row, each column and each diagonal all add upto the same number, Write a program that simulates a magic square using 3 onedimensional parallel arrays of integer type. Each one the arrays corresponds to a row of the magicsquare. The program asks the user to enter the values of the magicsquare row by row and informs the user if the grid is a magicsquare or not. See the sample outputs for more clarification. Project Specifications Input for this project: Values of the grid (row by row) Output for this…
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- C. #include int main() { char name[20]; printf("\nEnter your name :"); gets (name) ; printf("\nYour name is "); puts(name); }Consider the following pseudo code, Method func() { PRINT “This is recursive function" func() } Method main( { func() } What will happen when the above snippet is executed?C++ You are required to write a universal calculator that performs DOUBLE UP of different types of data. Especially the calculator must take the following types of input. A decimal number A float point number A binary number which must be prefixed with “0b”(e.g 0b111 ob1010 are valid 01b1010, 0b101, 01010 are invalid) A hexadecimal number which must be prefixed with “0x” (e.g. 0x19, 0xAAare valid. 01x1A, ox1A, 01A are invalid) Note Your program must implement function overloading. You can consider the examples below for your implementation. You are provided with the initial code which can be found. #include <iostream> #include <string> #include <string.h> #include <iomanip> using namespace std; /* * IMPLEMENT YOUR OVERLOADED FUNCTIONS HERE */ /* this function takes a string and * returns 1 if the string represents a decimal * returns 2 if the string represents a floating point * returns 3 if the string represents a binary * returns 4 if the…