C++ Programming: From Problem Analysis to Program Design
C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN: 9781337102087
Author: D. S. Malik
Publisher: Cengage Learning
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Chapter 3, Problem 12SA

What is the output of the following program? (2, 3, 6, 8)

#include <iostream>

#include <cmath>

#include <string>

#include <iomanip>

using namespace std;

int main()

{

     double x, y;

     string str;

     x = 9.0;

     y = 3.2;

     cout << fixed << showpoint << setprecision (2);

     cout << x << "^" << y << " = " << pow(x, y) << endl;

     cout << "5.0^2.5 = " << pow(5.0, 2.5) << endl;

     cout << "sqrt (48.35) = " << sqrt (48.35) << endl;

     cout << "static_cast<int>(sqrt(pow (y, 4))) = "

     << static_cast<int>(sqrt(pow (y, 4))) << endl;

     str = "Predefined functions simplify programming code!";

     cout << "Length of str = " << str.length() << endl;

     return 0;

}

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int func(int a, int b) { return (a
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
#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); }.
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