Quiz on C++ Basics

Test your knowledge of C++ basics.

1

What is displayed after the following program executes if the user inputs 2 and 5, respectively?

#include <iostream>
#include <string>
using namespace std;

int main()
{
   string a, b;
   cin >> a;
   cin >> b;
   cout << a + b << endl;
   return 0;
}
A)

It shows (2+5) as a string.

B)

It shows 7 as a number.

C)

It shows 25 as a string.

D)

It shows 2+5 as a string.

Question 1 of 100 attempted

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