Write a program in c++ in which you are asked to make a function to search for student details from file using the enrollment of student. (you can use the enrollments of few students)
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Subject : computer sciences
Question:
Write a program in c++ in which you are asked to make a function to search for student details from file using the enrollment of student. (you can use the enrollments of few students)
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- In C++, If you had the double-pointer above and also had these variables: type x, * q; And had executed these statements: q = &x; p = &q; How would a function given p by value be able to change the contents of x?A pointer variable is a special kind of variable that may be used in C++. Do you have an understanding of how to make use of it?Write a swap function, that swaps the values of two variables in main, but use pointers instead of reference parameters. WRITE IN C++
- PLEASE CODE THIS IN C AND NOT C++. ONLY USE IF/CASE AND USER-DEFINED FUNCTIONS. PLEASE DO NOT USE LOOPS,STRUC, AND POINTERS. PLEASE ONLY DECLARE AND CALL VARIABLES IN THE MAIN FUNCTION, EVERYTHING ELSE IS IN A DIFFERENT USER-DEFINED FUNCTION. PLS CHECK IF IT WORKS TOO.Discussion: Files with .h extension are called header files in C. These header files generally contain function declarations which we can be used in main C program, like for e.g. to include stdio.h in C program to use function printf() Exercise 1. C-Program to Create your own Header File Step 1 : Type this Code int add(int a,int b) { int sum; sum= a+b; return sum; } In this Code write only the function definition as you write in General C Program Step 2 : Save Code Save Above Code with [.h ] Extension . Let the name of our header file be myhead [ myhead.h ] Compile Code if required. Step 3 : Write Main Program #include<stdio.h> #include"myhead.h" int main() { int num1 = 10, num2 = 10, num3; num3 = add(num1, num2); printf("Addition of Two numbers : %d", num3); } Instead of writing < myhead.h>; use this terminology “myhead.h” All the Functions defined in the myhead.h header file are now ready for use . Directly call function add(); [ Provide proper…in c++. Write the definition of function int integerCubeRoot(int n). The function returns the biggest integer whose cube is less than or equal to n. Absolutely no function calls e.g. to a <math> function. Just basic operations like * and + etc. BTW you can cube a number just using basic multiplication.
- A pointer variable is a kind of c++ variable. Do you know how it's put to use?write a C++ program. Write a program that calculates and displays the average of a group of test scores, all integers, after the lowest score in the group has been dropped. There are six test scores in the group. The program must contain only the following functions in additionto the main:• void getScore should ask the user for a test score, store it in a referenceparameter variable, and validate it. This function should be called by the mainfunction once for of the six scores to be entered by the user.• double calcAverage should calculate and return the average of the five highest scores. This function should be called just once by the main function, and should be passed the six scores. Use pass by reference to receive the lowest test score.• int findLowest should find and return the lowest of the six scores passed to it. It must be called by the calcAverage function, which uses it to determine which of the six scores to drop.• void displayResults should be called by the main function…create a file in c++. In this lab, you will replace the existing functions with more flexible ones, and you will add additional functions to perform modular tasks. The "old" functions for displaying "hello", "goodbye", "invalid selection" and "invalid input" all do basically the same thing. They simply display a message to the user. Replace the old functions with a new function called displayMessage. The function should take a string argument, and display it. void displayMessage(string); //prototype The old function for displaying the menu would be more useful if it also returned the menu selection. Replace the old function with a new one called getMenuSelection that will return the menu selection as a char variable. Make sure to use the function result when you call it (assignment, display, use in expression, another function call, etc.). char getMenuSelection(); //prototype Wouldn't it be nice to check the menu selection for an invalid input? How about checking to see if the exit…
- In C programming, if the return type of a function is Void how can you implement assert statements? For example, Void ceasar(int n, char*x); //if char = c and n = 3 output == f how do i use assert statements as this does not work assert (caesar(3,c)==f);In C++ Write a C++ function that has a floating point parameter called distance. Your function should print the following sentence with the parameter inserted in the blank space: The sun was _____________ miles from this planet. The function should not return any value.Q7/ Write a program in C++ that asks the user to enter two numbers and prints the sum, product and difference of the two numbers by using function (Where there are three functions, the first for addition, the second for multiplication, and the third for subtraction).