Printing addition using String in C++

This is a simple C++ program that demonstrates the difference between adding two integers and concatenating two strings.

The program starts by declaring three integer variables: x, y, and z. The values of x and y are initialized to 10 and 20, respectively. The value of z is then calculated by adding x and y.
Next, three string variables are declared: a, b, and c. The values of a and b are initialized to the strings "10" and "20", respectively. The value of c is then calculated by concatenating a and b.
Finally, the values of z and c are printed to the console using the cout statement.

One thing to note is that the + operator behaves differently depending on the types of the variables being added. When used with integers, it performs addition. When used with strings, it performs concatenation.

Source Code

#include<iostream>
#include<string.h>
using namespace std;
int main()
{
    int x = 10;
    int y = 20;
    int z = x+y;
    string a = "10";
    string b = "20";
    string c = a+b;
    cout<<"\nAddition of numbers :"<<z;
    cout<<"\nAddition of Strings :"<<c;
    return 0;
}

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Output

Addition of numbers :30
Addition of Strings :1020

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