Which of the following functions allocates multiple blocks of memory, each block of the same size? a) malloc() b) realloc() c) calloc() d) free()
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- Create an array of four function pointers. Each pointer should point to a different function. Each of these functions should receive two integers and return a float. Using a loop call each of these functions using the addresses present in the array.Recursion Tree How many levels in this recursion tree T(n) = 2T(n/3) + n? Use log2n for log2n. What is the cost of the first level of this recursion tree T(n) = 2T(n/3) + n? What is the cost of the second level of this recursion tree T(n) = 2T(n/3) + n? Use 3n/4 for 3n divided by 4. What is the cost of the third level of this recursion tree T(n) = 2T(n/3) + n? Use 3n/4 for 3n divided by 4.Give an example of a function with two arguments and statements that are executed when the function is called. -Provide details about the return statement and the purpose of your function. -Provide an example of an array and a vector. -Describe your experience using GitHub, GitLab, Git, or other versional control software in general. Explain what aspects of the GitHub process you are comfortable with and what areas you need more practice or help.
- Instructions: You are strictly not allowed to use anything other than pointers and dynamic memory. One function should perform one functionality only. Task 1 Write a program in C++ that reads data from a file. Create dynamic memory according to the data. Now your task is to perform the following task. Row wise Sum Column wise Sum Diagonal wise Sum Example data.txt 4 5 1.6 10.2 33.7 99 20.5 3 44 50 96.1 2 8 9 4 74 50 99 19.1 Output: Sum row wise: 165, 191, 17, 242.1 Sum col wise: 127.6, 120.1, 228.8, 118.1, 20.5 Sum diagonal wise: Not Possible Note: You are restricted to use pointers and your function should be generic. Avoid memory wastage, memory leakage, dangling pointer. Use regrow or shrink concepts if required.5.How many bytes in the memory will be occupied by short int array[10] 10 Bytes 20 Bytes 40 Bytes 60 Bytes 6.Given the definition void myFunc(int a, int* b , int* c)which statement is true The values of the aliases a, band c are available to the function Only the addresses of the variables b, care available to the function myFunccannot change the variable whose value is copied to a myFunc can change the value of the variable whose address is copied into b all of the aboveThe following is the difference between void and NULL pointers: Use relevant examples to back up your statement.
- 10. Which of the following statements is TRUE about pointer? A. Two pointers can be declared as int * pointer1, pointer2:. В. A function can return a pointer value. Pointer directly references value. D. Pointer is used to pass parameter by value.Memory Allocation: Select all of the following statements that are true. The basic idea of contiguous allocation is that each process is contained in a single contiguous section of memory. When using a single-partition allocation scheme, the main memory is usually divided into three partitions. Memory partitioning schemes allow for multiprogramming. When applying the multiple-partition allocation scheme "Fixed Partitions", all partitions always have the same size. When applying the multiple-partition allocation scheme "Variable Partitions", the FirstFit allocation strategy performs best in practice. The Buddy system is prone to internal fragmentation.INSTRUCTION: C++ Language Create a function that writes to a file named Inventy.txt the information of 8 items. Ask the user for the item's name, the item's quantity in storage, and the item's price and write it to the file. Create a function that reads the file and items' quantity and price to two different arrays. Create a function that computes the subtotal of each item. Implement all functions inside the main program and the computed value should be displayed with the item's name.
- TRUE or FALSE - In C++, a function can't return a pointer. Select one: a.FALSE b.TRUEIn C Programming Language. - use user-defined functions.- use an array of arrays.- use file pointers- use string processing and character conversions.- use a dynamic memory function calloc() or malloc() - Demonstrate the ability to read a file and process the data. Problem: You are tasked to write a program that will perform a statistical analysis of student records. Your program will open a text file (provided) and store the values read into an array (2d). Your program will then close the input file and process the data. Your program will print out the records to screen and will then print out the average quiz scores per student.For each student in the provided text input file there is a name of up to 20 characters, an id number of five alphanumeric values (n1234), 4 exm grades in order: exm 1 – exm 4.You may use a fixed 2d array size of 80 characters for the input file name. You must use a dynamic array for at least one task in your program. You may declare your filename array using…Write a function that takes an array of ints and its size as arguments. It should create a new array that is the same size as the argument. It should set the values in the new array by adding 10 to each element in the original array. The function should return a pointer to the new array. (Make sure you use dynamic memory allocation)
