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    write a c++ program to swap variables using function overloading.

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    programming in c/c++: program to swap 2 numbers using function overloading

    #include #include #include void swap(int *a,int *b) {     int c;     c=*a;     *a=*b;     *b=c; } void swap...

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    Saturday, 15 June 2013

    program to swap 2 numbers using function overloading

    #include#include#include

    void swap(int *a,int *b)

    { int c; c=*a; *a=*b; *b=c; }

    void swap(float *a,float *b)

    { float c; c=*a; *a=*b; *b=c; }

    void swap(double *a,double *b)

    { double c; c=*a; *a=*b; *b=c; } void main() { int a,b; float c,d; double e,f; clrscr();

    cout<<"enter the values of a,b for integer";

    cin>>a>>b;

    cout<<"enter the values for c,d ";

    cin>>c>>d;

    cout<<"enter the values for e,f ";

    cin>>e>>f;

    void swap(int *,int *);

    void swap(float *,float *);

    void swap(double *,double *);

    swap(&a,&b); swap(&c,&d); swap(&e,&f);

    cout<<"\nafter swaping ";

    cout<<"\nvalues of a,b "<cout<<" \nvalues of c,d "<cout<<"\nvalues of e,f "<

    getch(); }

    Posted by AjayAttri at Saturday, June 15, 2013

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    test1 function overloading to swap

    6 comments:

    Anonymous16 June 2014 at 21:41

    ALGORITHM PLEASE................................................

    Reply

    AjayAttri16 June 2014 at 22:24

    i will send you. please send me your email or skype id

    Reply

    Unknown15 February 2015 at 02:05

    this link might be help you C program to swap two numbers

    http://programmergallery.com/c-program/c-program-swap-two-numbers.php

    Reply

    salimbhai14 October 2015 at 02:54

    why shud we use pointers

    Reply

    Prerna priya10 December 2019 at 21:40

    Nice.. Reply

    Unknown2 May 2021 at 01:10

    Wrong one Reply Newer Post Older Post Home

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    C++ program to Swap variables using Function Overloading

    Swap variables using Function Overloading Write a C++ program to Swap variables using Function Overloading. Here’s a Simple C++ program to Swap variables using…

    C++ program to Swap variables using Function Overloading

    By admin | 01.01.2017

    Swap variables using Function Overloading

    Write a C++ program to Swap variables using Function Overloading. Here’s a Simple C++ program to Swap variables using Function Overloading in C++ Programming Language.

    What is Overloading in C++ ?

    C++ allows you to specify more than one definition for a function name or an operator in the same scope, which is called function overloading and operator overloading respectively.

    Function overloading : :

    You can have multiple definitions for the same function name in the same scope. The definition of the function must differ from each other by the types and/or the number of arguments in the argument list. You can not overload function declarations that differ only by return type.

    Operators overloading : :

    You can redefine or overload most of the built-in operators available in C++. Thus a programmer can use operators with user-defined types as well.

    Overloaded operators are functions with special names the keyword operator followed by the symbol for the operator being defined. Like any other function, an overloaded operator has a return type and a parameter list.

    Below is the source code for C++ program to Swap variables using Function Overloading which is successfully compiled and run on Windows System to produce desired output as shown below :

    SOURCE CODE : :

    /* C++ program to Swap variables using Function Overloading */

    #include

    using namespace std;

    void swap(int &ix,int &iy);

    void swap(float &fx,float &fy);

    void swap(char &cx,char &cy);

    int main() { int ix,iy; float fx,fy; char cx,cy;

    cout<<"Enter 2 integers:";

    cin>>ix>>iy;

    cout<<"Enter 2 floating point no:s:";

    cin>>fx>>fy;

    cout<<"Enter 2 characters:";

    cin>>cx>>cy;

    cout<<"\nIntegers:";

    cout<<"\nix="<

    swap(ix,iy);

    cout<<"\nAfter swapping";

    cout<<"\nix="<

    cout<<"\nFloating point no:s";

    cout<<"\nfx="<

    swap(fx,fy);

    cout<<"\nAfter swapping";

    cout<<"\nfx="<

    cout<<"\nCharacters";

    cout<<"\ncx="<

    swap(cx,cy);

    cout<<"\nAfter swapping";

    cout<<"\ncx="<

    return 0; }

    void swap(int &a,int &b)

    { int temp; temp=a; a=b; b=temp; }

    void swap(float &a, float &b)

    { float temp; temp=a; a=b; b=temp; }

    void swap(char &a, char &b)

    { char temp; temp=a; a=b; b=temp; }

    OUTPUT : :

    /* C++ program to Swap variables using Function Overloading */

    Enter 2 integers:300 800

    Enter 2 floating point no:s:2.3 4.5

    Enter 2 characters:d q

    Integers: ix=300 iy=800 After swapping ix=800 iy=300 Floating point no:s fx=2.3 fy=4.5 After swapping fx=4.5 fy=2.3 Characters cx=d cy=q After swapping cx=q cy=d

    Above is the source code and output for C++ program to Swap variables using Function Overloading which is successfully compiled and run on Windows System to produce desired output.

    If you found any error or any queries related to the above program or any questions or reviews , you wanna to ask from us ,you may Contact Us through our contact Page or you can also comment below in the comment section.We will try our best to reach upto you in the short interval.

    Thanks for reading the post….

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    C++ Function Overloading (With Examples)

    In this tutorial, we will learn about function overloading in C++ with examples. Two or more functions having the same name but different parameters are known as function overloading.

    C++ Function Overloading

    In this tutorial, we will learn about the function overloading in C++ with examples.

    In C++, two functions can have the same name if the number and/or type of arguments passed is different.

    These functions having the same name but different arguments are known as overloaded functions. For example:

    // same name different arguments

    int test() { } int test(int a) { }

    float test(double a) { }

    int test(int a, double b) { }

    Here, all 4 functions are overloaded functions.

    Notice that the return types of all these 4 functions are not the same. Overloaded functions may or may not have different return types but they must have different arguments. For example,

    // Error code int test(int a) { }

    double test(int b){ }

    Here, both functions have the same name, the same type, and the same number of arguments. Hence, the compiler will throw an error.

    Example 1: Overloading Using Different Types of Parameter

    // Program to compute absolute value

    // Works for both int and float

    #include

    using namespace std;

    // function with float type parameter

    float absolute(float var){

    if (var < 0.0) var = -var; return var; }

    // function with int type parameter

    int absolute(int var) {

    if (var < 0) var = -var; return var; } int main() {

    // call function with int type parameter

    cout << "Absolute value of -5 = " << absolute(-5) << endl;

    // call function with float type parameter

    cout << "Absolute value of 5.5 = " << absolute(5.5f) << endl;

    return 0; } Run Code

    Output

    Absolute value of -5 = 5

    Absolute value of 5.5 = 5.5

    Working of overloading for the absolute() function

    In this program, we overload the absolute() function. Based on the type of parameter passed during the function call, the corresponding function is called.

    Example 2: Overloading Using Different Number of Parameters

    #include

    using namespace std;

    // function with 2 parameters

    void display(int var1, double var2) {

    cout << "Integer number: " << var1;

    cout << " and double number: " << var2 << endl;

    }

    // function with double type single parameter

    void display(double var) {

    cout << "Double number: " << var << endl;

    }

    // function with int type single parameter

    void display(int var) {

    cout << "Integer number: " << var << endl;

    } int main() { int a = 5; double b = 5.5;

    // call function with int type parameter

    display(a);

    // call function with double type parameter

    display(b);

    // call function with 2 parameters

    display(a, b); return 0; } Run Code

    Output

    Integer number: 5 Float number: 5.5

    Integer number: 5 and double number: 5.5

    Here, the display() function is called three times with different arguments. Depending on the number and type of arguments passed, the corresponding display() function is called.

    Working of overloading for the display() function

    The return type of all these functions is the same but that need not be the case for function overloading.

    Note: In C++, many standard library functions are overloaded. For example, the sqrt() function can take double, float, int, etc. as parameters. This is possible because the sqrt() function is overloaded in C++.

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    Do you want to see answer or more ?
    Mohammed 12 day ago
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