Memory is allocated for a function when the function is * declared defined O called O returned Syntax to import user created header file in C:* O #include O import O #include"header.h" O import what will be output of this code if a 15 b=20:* void swap(int *a, int *b) { int temp; temp = *a; *a = *b; *b = temp; O a-0 b-0 O a-15 b-20 O a-20 b-15 O a-35 b-5 The correct Binary value of B237* O 1011001000110111 O 1011001000110101 O 1011001000101111 O 10100101000110111 O o o O

Memory is allocated for a function when the function is * declared defined O called O returned Syntax to import user created header file in C:* O #include O import O #include"header.h" O import what will be output of this code if a 15 b=20:* void swap(int a, int b) { int temp; temp = a; a = b; b = temp; O a-0 b-0 O a-15 b-20 O a-20 b-15 O a-35 b-5 The correct Binary value of B237* O 1011001000110111 O 1011001000110101 O 1011001000101111 O 10100101000110111 O o o O

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Write a function in C++ "createPassword()" with no return value to randomly select 8 capital letters from the alphabet. The function receives the address of the first characters of the password string as parameter. NOTE: Pointers must be used to solve the following problem. Hint: Declare a characters string that contains all the capital letters of the alphabet and use the index values of the characters in the string for random selection of characters, e.g. char alpha [27] = “ABCDEFGHIJKLMNOPQRSTUVWXYZ”;char *pAlpha = alpha; Display the password from the main() function. An Example output is given in the following image.
I need a memory diagram of this C++ function: ***CODE*** #include using namespace std; int f2(int r, int& s) { r /= 2; s *= 3; int temp = r + s + 20; return temp; } int f1(int& p) { int q = 5; p = 95; int temp = f2(p, q); return temp; } struct s1 { string fname; int grade; s1() : fname(""), grade(0) {} }; int main() { int a = 7; int b = f1(a); s1* summa_cum_laude = new s1(); s1* magna_cum_laude = new s1(); summa_cum_laude->fname = "Roxanne"; summa_cum_laude->grade = a; magna_cum_laude->fname = "Rock"; magna_cum_laude->grade = b; cout << (*summa_cum_laude).fname << "'s grade: " << (*summa_cum_laude).grade << endl; cout << (*magna_cum_laude).fname << "'s grade: " << (*magna_cum_laude).grade << endl; delete summa_cum_laude; magna_cum_laude = nullptr; }
Write the PrintItem() function for the base class. Sample output for below program: Last name: Smith First and last name: Bill Jones Hint: Use the keyword const to make PrintItem() a virtual function. C++ program below, only lines 13-15 can be editted, the rest must stay the same. #include <iostream>#include <string>#include <vector>using namespace std; class BaseItem {public: void SetLastName(string providedName) { lastName = providedName; }; // FIXME: Define PrintItem() member function /* Your solution goes here */ protected: string lastName;}; class DerivedItem : public BaseItem {public: void SetFirstName(string providedName) { firstName = providedName; }; void PrintItem() const override { cout << "First and last name: "; cout << firstName << " " << lastName << endl; }; private: string firstName;}; int main() { BaseItem* baseItemPtr = nullptr; DerivedItem* derivedItemPtr = nullptr;…
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
Implement in C Programming 6.10.2: Pass by pointer. Write a function call to ConvertMoney() to store the number of quarters, nickels, and pennies within the integer variables numQuarters, numNickels, and numPennies, respectively. Ex: If the input is 133, then the output is: Quarters: 5 Nickels: 1 Pennies: 3 #include <stdio.h> void ConvertMoney(int totalPennies, int* numQuarters, int* numNickels, int* numPennies) { *numQuarters = totalPennies / 25; totalPennies = totalPennies % 25; *numNickels = totalPennies / 5; totalPennies = totalPennies % 5; *numPennies = totalPennies;} int main(void) { int totalPennies; int numQuarters; int numNickels; int numPennies; scanf("%d", &totalPennies); /* Your code goes here */ printf("Quarters: %d\n", numQuarters); printf("Nickels: %d\n", numNickels); printf("Pennies: %d\n", numPennies); return 0;}
Question 2: multiply Problem statement In this question first we will practice function overloading and then function templates. Please follow below instructions. We can extend multiplication easily for string types if we interpret the operation as repetition. For example "code" * 3 may be interpreted as "codecodecode". In fact, languages like PythonLinks to an external site. already support this operation. Write a C++ function named multiply that can multiply(repeat) an std::string by a given integer number and return the repeated string. Write another C++ function named multiply that can multiply two given integer (int type) numbers and return the product as an integer. Write another C++ function with the same name that can multiply a floating point number (double type) by a given integer number and return the product as a floating point number. We defined three functions with the same name without a problem. It is either because they have a different number of parameters, or…
In a function aFunction, we have 2 values: num1 (float type), num2 (int type) declared locally and assigned to 2.1 and 6. Write code segment to return the two values from function aFunction.
Pointers are by default passed by value in a function. Group of answer choices True False ================= Given the below code segment, which of the following would allow you to deallocate all memory allocated to the pointer numbers? int* numbers = new int[5]; Group of answer choices delete[] numbers; delete numbers; delete[5] numbers; None of these ========== Consider the following code: int arr[][4] = { {1, 2, 3, 4}, {7, 8, 9, 10} }; cout << arr[1] << endl; What will be the output? Group of answer choices 1 7 Address of 1 Address of 7 Compilation error: Second [] bracket missing with arr
Write a c++ function which is called GetCopy ans IsEqual(testing cannot be modified) charPtr getCopy(const charPtr s){ /* returns a new cstring that is a copy of the cstring s. That is a new cstring with as big memory as the size of the cstring s is created and then all the characters of s including the null char are copied to it. */ int lens = cstrlen(s); char *Array = new char[lens+1]; for(int i = 0; i < lens;i++) { Array[i] = s[i]; } Array[lens] = '\0'; return Array;} bool isEqual(charPtr s1, charPtr s2){ /* returns true if the cstring s1 is equal to the cstring s2 Definition: Two c-strings s1 and s2 are equal if they have the same length and characters of s1 and s2 at corresponding indexes are the same. */ } //Test getCopy function cout << endl << "Testing getCopy function"; cout << endl << "------------------------" << endl; char* s2 = getCopy("irregular"); cout…
1 - Nuclear Power Plant (python) The nuclear powerplant at Threeyedfish will automatically run a program to print a warning message when the reactor core becomes unstable. The warning message reads: NUCLEAR CORE UNSTABLE!!! Quarantine is in effect. Surrounding hamlets will be evacuated. Anti-radiationsuits and iodine pills are mandatory. Since the message contains crucial information, it should be printed three times. To do this, write a function that prints this message. This function has to be used three times.
Implement in C Programming 6.10.1: Function pass by pointer: Transforming coordinates. Define a function CoordTransform() that transforms its first two input parameters xVal and yVal into two output parameters xValNew and yValNew. The function returns void. The transformation is new = (old + 1) * 2. Ex: If xVal = 3 and yVal = 4, then xValNew is 8 and yValNew is 10. #include <stdio.h> /* Your solution goes here */ int main(void) { int xValNew; int yValNew; int xValUser; int yValUser; scanf("%d", &xValUser); scanf("%d", &yValUser); CoordTransform(xValUser, yValUser, &xValNew, &yValNew); printf("(%d, %d) becomes (%d, %d)\n", xValUser, yValUser, xValNew, yValNew); return 0;}
In this part your will have questions about C++ functions with pointers. • Write a function that takes three integer pointer as parameters and calculates sum of all numbers. This function must return the result as a pointer. • Declare a structure about a book which has properties such as name and price etc. Then create a list of book with 5 books. After that define a function that takes this book-list as a pointer and print out list items. • Write a function that calculates total price of the book in the book list (note: take the book-list as a pointer again). Write all function prototypes and test all functions within a single main functions.