basic-cpp/functions/default_arguments.cpp at main · sidharthjuyal/basic-cpp

24 lines (20 loc) · 605 Bytes

#include<iostream>

using namespace std;

int add(int,int=0, int=0);

A default argument is a value provided in a function declaration that is automatically assigned by the compiler if the caller of the function doesn’t provide a value for the argument with a default value. In case any value is passed the default value is overridden.

int main()

{

int a,b,c;

cout<<"Enter two numbers: ";

cin>>a>>b;

cout<<"Sum is: "<<add(a,b);

cout<<"\nEnter three numbers: ";

cin>>a>>b>>c;

cout<<"Sum is: "<<add(a,b,c);

}

int add(int x, int y, int z)

{

return x+y+z;

}

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