3. What is the below program doing? How is it doing this? Be precise #include using std::cout; using std::endl; int main(){ } float myValue = 10.0; float* maybeFirst, maybeSecond = 5.0, *maybe Third; maybeFirst = &myValue; for(int i = 0; i < 4; i++){ if(i % 2 == 0){ } else{ } maybeThird = &maybeSecond; maybe Third = &myValue; *maybeFirst += *maybe Third; } cout << "My value is: " << myValue << endl; return 0;

3. What is the below program doing? How is it doing this? Be precise #include using std::cout; using std::endl; int main(){ } float myValue = 10.0; float* maybeFirst, maybeSecond = 5.0, maybe Third; maybeFirst = &myValue; for(int i = 0; i < 4; i++){ if(i % 2 == 0){ } else{ } maybeThird = &maybeSecond; maybe Third = &myValue; maybeFirst += *maybe Third; } cout << "My value is: " << myValue << endl; return 0;

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

See similar textbooks

Similar questions

#include<stdio.h> #include<stdarg.h> void fun1(int num, ...); void fun2(int num, ...); int main() { fun1(1, "Apple", "Boys", "Cats", "Dogs"); fun2(2, 12, 13, 14); return 0; } void fun1(int num, ...) { char *str; va_list ptr; va_start(ptr, num); str = va_arg(ptr, char *); printf("%s ", str); } void fun2(int num, ...) { va_list ptr; va_start(ptr, num); num = va_arg(ptr, int); printf("%d", num); }.
int x1 = 66; int y1 = 39; int d; _asm { } mov EAX, X1; mov EBX, y1; push EAX; push EBX; pop ECX mov d, ECX; What is d in decimal format?
#include using namespace std; const int y = 1; int main () { int static y = 2; int i = 3, j = 4, m = 5, n = 6; %3D int a = [] (int x, int i = 1) { return x * i; } (y, 3) ; %3D int b = [=] (int x) { return [=] (int b) { return b + j; } (x) % 7; } (a); int c = [=] (int x) mutable ->int { m = 6; return [6] (int j) mutable { y = a * b; return y / j; } (x) -m; } (b) ; cout << a << endl; cout << b << endl; cout << c << endl; cout << m << endl; cout << y < endl; return 0; This program outputs 5 lines. What are they? Please explain your work and your answer.
main.cpp 1 @include 2 using namespace std; int maxResult() 4-( int maxVal = 0; 6. for (int i = 0; i <= n; i += a) { for (int j = e; j <= n i;j += b) !! 10 (float)(n - (i + j)) / (float)(c); 11 float z = 12 if (floor (z) { int x = i / a; int y 13 ceil(z)) 14 15 16 j/ b; max (maxVal, x + y + (int)z); 17 maxVal = 18 19 20 21 22 return maxVal; 23 } 24 int main() 26 { 25 27 28 cout << maxResult( ); 29 30 return 0; 31 } Input Compilation failed due to following erors) main.cpp:7:23: error: 'n was not declared in this scope 7 for (int i = 0; i <= n; i t a) main.cpp:7:31: error: 'a' was not declared in this scope 7 for (int i 0; i <= n; i t a) main.cpp:9:36: error: 'b' was not declared in this scope for (int j = 0; j <- n i; j b) %3D main.cpp:11:45: error: was not declared in this scope
#include using namespace std; class fraction{ float d,s; public: fraction() { d=0; s=1; fraction(int a, int b) { d=%3; s=b3; } void print() { cout<
Void Do1 (int: &, a. int &b) { a = 5; a = a + b; b = a + 2; } Int main() { Int x = 10; Do1 (x,x); Cout << x << endl; } The output of this program is
Please explain the code below #include <cstdio> #include <math.h> using namespace std; int main ( ) { // radius const int RAD = 10; // tolerance const int TOL = 5; for(int x = -RAD; x <= RAD; x++){ for(int y = -RAD; y <= RAD; y++){ int eq = x*x + y*y - RAD * RAD; printf(abs(eq) < TOL ? "*" : " "); printf(abs(eq) < TOL ? "*" : " "); } for(int y = -RAD+4; y <= RAD; y++){ int eq = x*x + y*y - RAD * RAD; printf(abs(eq) < TOL ? "*" : " "); printf(abs(eq) < TOL ? "*" : " "); } for(int y = -RAD+4; y <= RAD; y++){ int eq = x*x + y*y - RAD * RAD; printf(abs(eq) < TOL ? "*" : " "); printf(abs(eq) < TOL ? "*" : " "); } for(int y = -RAD+4; y <= RAD; y++){ int eq = x*x + y*y - RAD * RAD; printf(abs(eq) < TOL ? "*" : " ");…
int f(int &k){k++;return k * 2;}int main(){int i = 1, j = -1;int a, b, c;a = f(i) + i/2;b = j + f(j) + f(j);c = 2 * f(j);return 0;} What are the values of a, b and c id the operands in the expressions are evaluated from left to right and then what are the values when its evaluated right to left?
#include using namespace std; bool isPalindrome(int x) { int n=0,val; val = x; while(x > 0) { n = n * 10 + x % 10; x = x / 10; } } int main() { int n; cin >>n; if(isPalindrome(n)) { cout <
#include using namespace std; void myfunction(int num2, int num1); lint main() { my function (5,2); return 0; } void myfunction(int num1, int num2) {if (num1>3) cout << "A1"; else if (num1<3) cout<<"A2"; else cout<<"A3";} O A2 O A1 O A3 A1 A2 A3
This assignment is not graded, I just need to understand how to do it. Please help, thank you! Language: C++ Given: Main.cpp #include #include "Shape.h" using namespace std; void main() { /////// Untouchable Block #1 ////////// Shape* shape; /////// End of Untouchable Block #1 ////////// /////// Untouchable Block #2 ////////// if (shape == nullptr) { cout << "What shape is this?! Good bye!"; return; } cout << "The perimeter of your " << shape->getShapeName() << ": " << shape->getPerimeter() << endl; cout << "The area of your " << shape->getShapeName() << ": " << shape->getArea() << endl; /////// End of Untouchable Block #2 //////////} Shape.cpp string Shape::getShapeName() { switch (mShapeType) { case ShapeType::CIRCLE: return "circle"; case ShapeType::SQUARE: return "square"; case ShapeType::RECTANGLE: return "rectangle"; case…
PROGRAMMING LANGUAGE: C++ Add screenshots of outputs as well Execute the following example and write a comment after each line of code. In result print output of code. #include<iostream> #include<string> using namespace std; class Date {public: Date() {month=1; day=1; year=1990; } Date(int m,int d, int y) { month=m; day=d; year=y; } void set() { int d,m,y; cout<<"Enter day: "; cin>>d; cout<<"Enter month: "; cin>>m; cout<<"Enter year: "; cin>>y; month=m; day=d; year=y; } void print() { cout<<day<<"-"<<month<<"-"<<year; } private:…