To use dynamic memory allocation functions, which of the following header files must be included? a) stdlib.h b) stdio.h c) memory.h d) dos.h
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To use dynamic memory allocation functions, which of the following header files must be included?
a) stdlib.h
b) stdio.h
c) memory.h
d) dos.h
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- c program add a report to count the total number of beaches in the file and how many are open, and how many are closed. //include the required header file. #include "stdio.h" //Define the main function. int main(void) { //Declare the variable. int b_num, num_samples, num_orgs_per_100; char c = 'a'; //Create a file pointer. FILE *in_file; //Open the file in read mode. in_file = fopen("inp.txt", "r"); //Check if the file exists. if (in_file == NULL) printf("Error opening the file.\n"); //Read the data from the file. else { //Get the beach number and number of //samples from the file. fscanf(in_file, "%d", &b_num); fscanf(in_file, "%d", &num_samples); //Check for end of file and beach //number value and dispaly the samples. while(!feof(in_file)) { printf("\nb_num = %d, num_samples = %d", b_num,num_samples); for(int i =0;i<…Assume the following C code is stored in a file named main.c. Please split it into two files where each file contains one function. Specify the content of each file and extra files (and contents) that might be needed. void swap(int *a, int *b){ int temp = *a; *a = *b; *b = temp; } void main(){ int a = 5; int b = 6; swap(&a, &b); }Which of the following header files must necessarily be included to use dynamic memory allocation functions? a) stdlib.h b) stdio.h c) memory.h d) dos.h
- 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.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.Topics: Functions, Files Read and write, DictionarySuppose you are given an input file of a document that only contains English words, spaces, commas(always followed with one space) and periods (always followed with one space). Your task is to readthe file, count the word frequency by ignoring the letter case, output the frequently used words (i.e.,the words occurred more than once) and the most frequently used word among all of them.Lab Scenario: Count the word in a document1. The program reads from an already provided input file: “document.txt”, which containsseveral paragraphs separated by an empty line.2. You will perform the file open operation. And then perform the read operation with your choice ofread functions and read the content of the file.3. Once you are done reading, start processing the contents of the file using a dictionary where thekey would be the word in lowercase and the corresponding values would be word frequency whichwill be the number of occurrences in the…
- 5. The seekg function parameter does not include A. position B. offset C. dir D. file pointerl101011 Q3) Create a function file, it takes three numbers as argument and returns the maximum of the numbers.Write a single statement to accomplish each of the following. Assume that each of thesestatements applies to the same program.a) Write a statement that opens the file "oldmast.dat" for reading and assigns the returned file pointer to ofPtr.b) Write a statement that opens the file "trans.dat" for reading and assigns the returnedfile pointer to tfPtr.c) Write a statement that opens the file "newmast.dat" for writing (and creation) and assigns the returned file pointer to nfPtr.d) Write a statement that reads a record from the file "oldmast.dat". The record consistsof integer accountNum, string name and floating-point currentBalance.e) Write a statement that reads a record from the file "trans.dat". The record consists ofthe integer accountNum and floating-point dollarAmount.f) Write a statement that writes a record to the file "newmast.dat". The record consists ofthe integer accountNum, string name and floating-point currentBalance.
- PYTHON without def function Problem Statement Assume an input file (called "numbers.txt") contains a number on each non-blank line of the file. Read in the file and then print out the sum of all the numbers read. The sum should be rounded up to 1 decimal. Sample Input (File numbers.txt) 1.0 2.0 3.25 4.0 Sample Output 10.3Assignment tasks: Create a new file called pointerBasics.cpp. Write a C++ program in this new file. In this new file, write code that will do the following: Declare an integer variable called myInt and assign the value 15 to it. Declare a pointer variable called myPointer using the dereference operator (*) and assign it to the memory location of myInt using the address-of operator (&) Print the memory location of myInt (remember the address-of operator!) and the value of myPointer. Print the value of myInt and the value pointed to by myPointer (remember the dereference operator!) Change the value of myInt to 10. Print the memory location of myInt (remember the address-of operator!) and the value of myPointer. Print the value of myInt and the value pointed to by myPointer (remember the dereference operator!) (1 point) Declare and assign values to variables (1 point) Print to console (1 point) Change values and print to console Take a screenshot of a sample output and…C++ coding activity week 6 Additional Files: (testcode.h and runTest) These files will automatically be compiled with your code. You cannot modify them. COPIABLE CODE: #include <iostream> using namespace std; // Fill in your 6 function definitions here. Empty shells for 2 of the 6 are provided. Start by creating the other 4 empty shells to get the test code to compile. Once the file compiles, start filling in your functions. void flipMatrixVertical (int originalMatrix[][3], int flippedMatrix[][3], const int NUM_ROWS, const int NUM_COLUMNS){ // YOUR CODE HERE } void flipMatrixHorizontal (int originalMatrix[][3], int flippedMatrix[][3], const int NUM_ROWS, const int NUM_COLUMNS){ // YOUR CODE HERE } // YOUR CODE HERE (4 more functions) #include "testcode.h" // for automated grading purposes; do not remove int main() { runTest(); //Code for automatic grading. DO NOT REMOVE }