In this tutorial, we will discuss the concept of C++ program to add two numbers without using arithmetic operators
In this post, we will learn how to make the addition of two number using without the arithmetic operator in C++ programming language
This program allows the user to enter two numbers and displays the sum of two numbers entered by the user using for loop
#include <iostream> #include <conio.h> using namespace std; int main() { int num1,num2,i; //variable declaration cout<<"Enter the first number: "; cin>>num1; cout<<"Enter the second number: "; cin>>num2; for(i=0; i<num2; i++){ num1++; } cout<<"Sum of two numbers is: "<<num1; getch(); }
When the above code is executed, it produces the following results
Enter the first numb er: 345 Enter the second number: 155 Sum of two numbers is: 500
Methods
This program allows the user to enter two numbers and displays the sum of two numbers entered by the user using while loop
#include <iostream> #include <conio.h> using namespace std; int main() { int num1,num2,i; //variable declaration cout<<"Enter the first number: "; cin>>num1; cout<<"Enter the second number: "; cin>>num2; while(num2 != 0){ int num3=(num1 & num2); num1=num1^num2; num2=num3<<1; } cout<<"\nSum of two numbers is: "<<num1; getch(); }
When the above code is executed, it produces the following results
Enter the first numb er: 123 Enter the second number: 432 Sum of two numbers is: 555
Methods
This program allows the user to enter two numbers and displays the sum of two numbers entered by the user using for loop inside the method
#include <iostream> #include <conio.h> using namespace std; int add(int ,int);//Function prototype int main() { int n1,n2; cout << "Enter the first number" << endl; cin>>n1; cout << "Enter the second number" << endl; cin>>n2; cout<<"Sum of two numbers is:"<<add(n1,n2); //function call getch(); return 0; } int add(int num1, int num2){ //function definition int i; for(i=0; i<num2; i++){ num1++; } return num1; }
When the above code is executed, it produces the following results
Enter the first numb er: 125 Enter the second number: 235 Sum of two numbers is: 360
Method
This program allows the user to enter two numbers and displays the sum of two numbers entered by the user using while loop inside the method
#include <iostream> #include <conio.h> using namespace std; int add(int ,int); //function prototype int main() { int n1,n2; cout << "Enter the first number" << endl; cin>>n1; cout << "Enter the secone number" << endl; cin>>n2; cout<<"Sum of two numbers is:"<<add(n1,n2); //function call getch(); return 0; } int add(int num1, int num2){ //function definition int i; while(num2 != 0){ int num3=(num1 & num2); num1=num1^num2; num2=num3<<1; } return num1; }
When the above code is executed, it produces the following results
Enter the first numb er: 234 Enter the second number: 456 Sum of two numbers is: 690
Method
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