I am having trouble with these 2 review questions for my C++ course. Ex 9: Storing an array into a file. a) Implement the integer array {1,2,3,4,5}. b) Implement a save function which stores the array into a file using comma delimited format (1,2,3,4,5). Example File 1,2,3,4,5,
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I am having trouble with these 2 review questions for my C++ course.
Ex 9: Storing an array into a file.
a) Implement the integer array {1,2,3,4,5}.
b) Implement a save function which stores the array into a file using comma delimited format (1,2,3,4,5).
Example File
1,2,3,4,5,
Ex 10: Reading an array into a file.
a) Implement a partially filled integer array of size 100.
b) Implement a load function which:
1) Reads the input file (from problem 9) one line at a time.
2) Parses each line using stringstream into tokens (comma delimiter).
3) Converts each token into an integer then stores each token into the array.
c) Implement an output function that outputs the array to the console.
Example Output (from file to the array, to console)
1 2 3 4 5
Step by step
Solved in 2 steps
- Write complete C++ code to display numbers larger than n in an array. In your code, write a function that accepts three arguments: an array, the size of the array, and a number n . Assume that the array contains integers. Call the function from main in your code. The function should display all of the numbers in the array that are greater than the number n . You could use a named constant for the value of n or collect it from the user. In main declare an array using an initialization list. Sample output is: Numbers greater than 4 in the array are: 5, 17, 10, 125. Write a C++ function which accepts an int array and the array size as arguments. The function should dynamically create a new array which is the same size as the array passed in. Each element in the new array should be double the corresponding element in the array passed in. Return a pointer to the new array. E.g. if you pass in the array {2, -3, 5} of size 3, it should create a new array of size 3 with values {4, -6, 10} and return a pointer to it. int *doubler(int a[], int size) 6. Consider the following line of code: int temps[3] = {68, 72, 62}; - What does *temps contain? - What does *(temps+1) contain? - What does temps[1] contain? 7. The _____ function returns true if the character is an upper case letter of the alphabet: a) toupper() b) isupper() c) isalpha() d) isdigit() e) none of these 8. The _____ function converts a C-string to an int: a) strlen() b) length() c) len() d) atoi() e) none of theseC++ and the focus is on Pass by Reference: The following steps are essentially under the same problem but in order to complete a step, the previous must be completed first. For example, Step #3 cannot be completed unless Step #1 has been conducted. Step #1: Create a function to output the values of an integer array. You will have two parameters: the array and the number of elements to display. Step #2: Create an array of integers of 100 elements. File the array with the values 1 to 100 Step #3: Call the function in step 1 to print 6 elements starting at element 0 Step #4) Call the function in step 1 to print 6 elements starting at element 12. Step #5) Write a swap function that will swap two integer parameters that are passed in by reference. Step #6) Use the swap function to swap the elements in the 100 element array at element 0 and 5. Display the first 8 elements in the array (using the function in step 1)
- Hello, I am having trouble with this homework question for my course for intro to c++. Topic is on Array 2 Write a function definition for a function named getLast which does the following: 1) Accepts the array, size of the array and value as parameters. 2) Returns the last index of a value in an integer array. If the value does not exist in the array, return -1. Example Given the array {3, 6, 8, 3, 2, 6}. Given the value 6, this function getLast returns the value 5 which is the last index of 6 in the array.- in this exercise, please do not include and use string class. The function is using only array notation and manipulation.- string functions such as strlen is not allowed.- it should not have multiple return statements in the same function- there should be no global variable.- the function should not traverse the arrays more than once (e.g. looping through the array once only) write a c++ program named "isTheLastNumberTheMax" that accepts an array of integers and its size. It will return true if the last number in the array is the maximum number in that array and false otherwise. In addition, it also returns another boolean to indicate whether this list contains more than one maximum value.For example, if this is called with the array of {10, 20, 30, 40, 50}, it will return true and falseIf this is called with the array of {50, 10, 20, 30, 40, 50}, it will return true and true.- in this exercise, please do not include and use string class. The function is using only array notation and manipulation.- string functions such as strlen is not allowed.- it should not have multiple return statements in the same function- there should be no global variable.- the function should not traverse the arrays more than once (e.g. looping through the array once only) A C++ PROGRAM named "isTheLastNumberTheMax" that accepts an array of integers and its size. It will return true if the last number in the array is the maximum number in that array and false otherwise. In addition, it also returns another boolean to indicate whether this list contains more than one maximum value.For example, if this is called with the array of {10, 20, 30, 40, 50}, it will return true and falseIf this is called with the array of {50, 10, 20, 30, 40, 50}, it will return true and true. A C++ PROGRAM named "changeCase" that takes an array of characters terminating by NULL character (C-string) and…
- 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].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 program(Practice) a. Write output statements using cout that can be used to display values from the first, third, and seventh elements of each array declared in Exercise 2. b. Write a for loop that can be used to display values for the complete array declared in Exercise 2.
- Mark the following statements as true or false. A double type is an example of a simple data type. (1) A one-dimensional array is an example of a structured data type. (1) The size of an array is determined at compile time. (1,6) Given the declaration: int list[10]; the statement: list[5] - list[3] * list[2]; updates the content of the fifth component of the array list. (2) If an array index goes out of bounds, the program always terminates in an error. (3) The only aggregate operations allowable on int arrays are the increment and decrement operations. (5) Arrays can be passed as parameters to a function either by value or by reference. (6) A function can return a value of type array. (6) In C++, some aggregate operations are allowed for strings. (11,12,13) The declaration: char name [16] = "John K. Miller"; declares name to be an array of 15 characters because the string "John K. Miller" has only 14 characters. (11) The declaration: char str = "Sunny Day"; declares str to be a string of an unspecified length. (11) As parameters, two-dimensional arrays are passed either by value or by reference. (15,16)Question 4 A data type is called simple if variables of that type can store only one value at a time. A structured data type is one in which each data item is a collection of other data items. (a) Given the following variable declaration: double distance1 = 44.14, distance2 = 720.52, distance3 = 96.08, distance4 = 468.78, distance5 = 6.28; By using for loop, convert the variables above into an array distance[ ], and write C++ statements for the following statements. i. To declare an array for distance and to initialize all the elements into the distance[ ]. ii. To declare the variables and to output all the elements in the distance[ ]. iii. To declare the variables and to output the largest element in the distance[ ]. (b) Define the meaning of the following array by illustrating the array list. i. int total[10] = {0}; ii. int total[10] = {8, 5, 12}; iii. int total[ ] = {5, 6, 3}; iv. total[2] = 3; v. int total[4] = {1, 2,…3.use c code to Write a function that gets two same size arrays as parameters and determines if they are permutations of each other. Two arrays are permutations of each other if one can be obtained by shuffling the other. If the arrays are permutations, the function should return 1 otherwise it should return 0. A suggested prototype for that function could be:int isPermutation(int array1[], int array2[], int commonSize) Example: If the two arrays are: Array1: {1,2,4,0, 5} Array2: {0,5,3,2, 1) Function should return a 0. If the ‘3’ in Array2 is changed to ‘’, it should return 1 Hint: answer must use c code and show the output
