HCF program default arguments in cpp

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write a c++ program to find HCF of two numbers and three numbers with help of the default argument.

You must have this knowledge

basic CPP, pointer, conditional operator, loop, if-else

HCF program default arguments in cpp

// default argument example //this program run two times for HCF of two numbers and three number. #include <iostream> using namespace std; int number1, number2;//global declartion varible int *c = &number2;//global pointer int HCF(int &, int &, int = *c); //*c contain address number2 varible int main() { cout << "\t\t\t HCF PROGRAM" << endl << endl << endl; cout << "Enter two number : "; cin >> number1 >> number2; cout << "HCF of two number is: " << HCF(number1, number2); cout << endl; int number3; cout << "Enter three number : "; cin >> number1 >> number2 >> number3; cout << "HCF of Three number is:" << HCF(number1, number2, number3); } int HCF(int &num1, int &num2, int num3) { int small; small = num1 < num2 ? num1 < num3 ? num1 : num3 : num2 < num3 ? num2 : num3; while (small) { if (num1 % small == 0 && num2 % small == 0 && num3 % small == 0) break; small--; } return (small); }

Output Screen

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