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10
Computer science
subject: C programing
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- (Numerical) a. The following is an extremely useful programming algorithm for rounding a real number to n decimal places: Step 1: Multiply the number by 10n Step 2: Add 0.5 Step 3: Delete the fractional part of the result Step 4: Divide by 10n For example, using this algorithm to round the number 78.374625 to three decimal places yields: Step1:78.374625103=78374.625 Step2:78374.625+0.5=78375.125 Step3:Retainingtheintegerpart=78375Step4:78375dividedby103=78.375 Using this algorithm, write a C++ function that accepts a user-entered value and returns the result rounded to two decimal places. b. Enter, compile, and run the program written for Exercise 11a.C Programming-Plz fix this code We can return multiple values from functions using pointers. Let's see an example. # include <stdio.h> void add Gr.marks (int * m) { *m = * m + 10; } void main ( ) { int marks; clrscr ( ); printf("enter actual marks:"); scanf(" % d", & marks); add Gr.marks (& marks); printf(" \n the graced marks is :\t % d", marks); }Call each function inside the main function that is written using Def keyword. Call main and run all of the functions. 1- Using “Def” keyword write a function that sorts the given array (The function name will be SortArray) 2- Using “Def” keyword write a function that returns the min element of the given array elements (The function name will be MinofArrayElements) 3- Using “Def” keyword write a function that returns the Max element of the given array elements (The function name will be MaxofArrayElements) 4- Using “Def” keyword write a function that returns the mean element of the given array elements (The function name will be MeanofArrayElements) 5- Using “Def” keyword write a function that returns the sum of each element for the given array (The function name will be SumofArrayElements) 6- Using “Def” keyword write a function that compares two arrays, if both are the same it will return true, else it will return false.…
- (a) Write a function that receive two sorted arrays of integers and their sizes. Suppose the arrays are sorted in an increasing order. The function must merge the two arrays and return the merged sorted result. Use the following function header. Int * mergeArrays (int * array1, int size1, int* array2, int size2) (b) Write a main function to test the mergeArrays() function defined in part (a). In the main function create two arrays, not necessarily the same size. Print the arrays, then pass them as arguments to the mergeArrays() function and print the returned result.1. Write a function called void swap with two parameters, which will receive the addressof x and y as pointer. The function should swap the value of x and y only if x is larger thany. Print the value of x and y after the function call. 2. Write a function called double getAverage(int *array, int SIZE), whereit accept the array as pointer, and return the average of the array. Print the returnedvalue from this function. Always use *array rather than subscript to access the arrayvalue.Finish the swap function below using pointers and write the call to swap in the reverse function using the address of the array positions array[i] and array[size-i-1].using pointers. DON'T FORGET TO DECLARE THE PARAMETERS in the function. (Hint: if you can't figure it out with pointers, do it with the references #include <iostream>using namespace std; // Function to swap two ints using pointers// @param pointer to an int// @param pointer to an intvoid swap( ) {// TODO: Add code that swaps two integers using pointers } // Function to reverse arrayvoid reverse(int a[], int size) {for (int i = 0; i < size/2; i++) {// TODO: write the call to swap in the reverse function using the // address of the array positions array[i] and array[size-i-1].
- C++ Program Write a function that accepts an array size with its elements and an integer N then expands the array by N elements. Use a calloc function to create the array. In expanding an array, the original array size is added by N and its elements are added by the same sequence as the original array. Print the concatenated elements inside a pair of square brackets [ ] where each elements are separated by a comma and a space. At the end of the program, don't forget to free the memory space. Input 1. One line containing an integer 2. Multiple lines containing integer each line 3. One line containing an integer OUTPUT Enter array size: 12 Enter element 1: 25 Enter element 2: 49 Enter element 3: 6 Enter element 4: 31 Enter element 5: 51 Enter element 6: 70 Enter element 7: 99 Enter element 8: 78 Enter element 9: 63 Enter element 10: 83 Enter element 11: 78 Enter element 12: 89 [25, 49, 6, 31, 51, 70, 99, 78, 63, 83, 78, 89] Expand by: 5 [25, 49, 6, 31, 51, 70, 99, 78, 63, 83,…C++ Write the function with function header double searchId( int idl[], double scorel[], int id, int size) that recieves as arguments the arrays idl (array containing student's IDs) and scorel (array containing their test scores), a student's ID, and the size of the arrays. The arrays are such that the score of the student with ID idl[j] is score [j]. This function searches the array idl for the ID recived, and if it is found, it returns the corresponding test score; otherwise it returns -1. write the function main that does the following: 1.Define the arrays idlist to hold the IDs of 20 students (integer values), and scorelist to hold their test scores (double precision values) 2.Read the 20 student's IDs and their test scores from the standard input into the arrays idlist and scorelist respectively. Each input line will have an ID and a corresponding score. 3.Read the ID of a student and look for their test score (by calling function searchId(). 4.If the ID is found in the list (the…3. Write the appropriate function definition for each of the following situations:b) Write a function that computes two sums from the elements of an array of integers. Each element of the array contributes to one of the two sums, depending on whether the element itself is even or odd. Your function definition should look like this:void sum(int x[ ]){ int n;int sum_even;int sum_odd;::}
- 3. Write the appropriate function definition for each of the following situations:a) Write a function that separately sums the even indexed elements and old indexed elements of an array of doubles. Each element of the array contributes to one of the two sums, depending on whether the index of the element is even or odd. Your function definition must have a heading like this:void sum(double b[ ]){ int n;double *sum_even;double *sum_odd;::}Please send me answer within 10 min!! I will rate you good for sure!! Please provide screenshot of code and output with explaination!! Write a C program that implements and tests a function that simulates strcmp function. You should not use functions from <string.h> library. You may use array and/or pointer notation to define the functions. More precisely, you should implement this function: Hint: int myStrcmp (const char *s1, const char *s2) This function compares the string pointed to by s1 to the string pointed to by s2. If the string pointed to by s1 comes before the string pointed to by s2 in dictionary ordering, then -1 is returned. If the string pointed to by s1 is the same as the string pointed to by s2, then 0 is returned (the compare function is case sensitive). Otherwise, 1 is returned. C programC. In permutations and combinations, the term “n C r” refers to n combinationstaken r at a time.??? =?!/?! (? − ?)!Write a recursive function to find the factorial of a number.Use the defined function to compute the term “nCr” for the following scenario:The values of ‘n’ and ‘r’ are stored in two parallel arrays of any user definedsize . You have to Read the arrays n and r at run time. Compute n C r for eachcorresponding terms in the array ‘n’ and ‘r’, and display it properly formatted.Also your program should print the current date and time using libraryfunctions