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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