cpp.tar.gz

C++ is a versatile programming language renowned for its efficiency and flexibility. It is used across various industries, from game development to finance and system programming. This course goes into the details of C++ foundations through problem-solving techniques.

You will begin by learning the basics of problem-solving using simple programs and execution sheets and then understand decisions and branching in C++. Next, you will learn C++ basics, repetition with loops, and manipulation of strings and arrays. The course will conclude with a focus on functions and complex program structures, ensuring a comprehensive understanding of the language’s capabilities and best practices.

By the end of this course, you will be equipped with essential problem-solving skills, a deep understanding of C++ basics, and the confidence to write efficient and structured code. You will be ready to tackle real-world programming challenges and pursue opportunities in various industries requiring C++ proficiency.

Learn to Code: C++ for Absolute Beginners

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

```C++
#include <iostream>
#include <string>
using namespace std;

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

What is displayed after the following program executes if the user inputs <code>2</code> and <code>5</code>, respectively?
<pre><code class="language-C++">#include &lt;iostream&gt;
#include &lt;string&gt;
using namespace std;

int main()
{
 string a, b;
 cin &gt;&gt; a;
 cin &gt;&gt; b;
 cout &lt;&lt; a + b &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed on the screen after the following program executes?

```C++
#include <iostream>
using namespace std;

int main()
{
 double int1 = 19;
 double int2 = 4;
 cout << int1 / int2 << endl;
 return 0;
}
```

What is displayed on the screen after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main()
{
 double int1 = 19;
 double int2 = 4;
 cout &lt;&lt; int1 / int2 &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed on the screen after the following program executes?

```C++
#include <iostream>
using namespace std;

int main()
{
 int num1 = 19;
 int num2 = 4;
 num1 %= num2;
 cout << num1 << " " << num2 << endl;
 return 0;
}
```

What is displayed on the screen after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main()
{
 int num1 = 19;
 int num2 = 4;
 num1 %= num2;
 cout &lt;&lt; num1 &lt;&lt; &quot; &quot; &lt;&lt; num2 &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed on the screen after the following program executes?


```C++
#include <iostream>
#include <cmath>

int main()
{
 int num3 = 3;
 int num4 = 2;
 num3 = pow (num3, num4);
 cout << num3 << " " << num4 << endl;
 return 0;
}
```

What is displayed on the screen after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
#include &lt;cmath&gt;

int main()
{
 int num3 = 3;
 int num4 = 2;
 num3 = pow (num3, num4);
 cout &lt;&lt; num3 &lt;&lt; &quot; &quot; &lt;&lt; num4 &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed on the screen after the following program executes?


```C++
#include <iostream>
using namespace std;

int main() 
{
 int num5 = 5;
 int num6 = 6;
 num5 /= num6;
 cout << num5 << " " << num6 << endl;
 return 0;
}
```

What is displayed on the screen after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main() 
{
 int num5 = 5;
 int num6 = 6;
 num5 /= num6;
 cout &lt;&lt; num5 &lt;&lt; &quot; &quot; &lt;&lt; num6 &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed on the screen after the following program executes?

```C++
#include <iostream>
using namespace std;

int main()
{
 int a,b;
 a = b = 34;
 cout << a << " " << b << endl;
 return 0;
}
```

What is displayed on the screen after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main()
{
 int a,b;
 a = b = 34;
 cout &lt;&lt; a &lt;&lt; &quot; &quot; &lt;&lt; b &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed on the screen after the following program executes?

```C++
#include <iostream>
using namespace std;

int main() 
{
 int c = 5, d = 6;
 cout << c << " " << d << endl;
 return 0;
}
```

What is displayed on the screen after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main() 
{
 int c = 5, d = 6;
 cout &lt;&lt; c &lt;&lt; &quot; &quot; &lt;&lt; d &lt;&lt; endl;
 return 0;
}
</code></pre>

What is displayed after the following program is executed?

```C++
#include <iostream>
using namespace std;

int main()
{
 int a = 8;
 if (a > 0)
 {
 cout << "Positive ";
 if (a % 2 == 0)
 {
 cout << "Even number";
 }
 else
 {
 cout << "Odd number";
 }
 }
 else
 {
 cout << "Negative";
 }
return 0;
}
```

What is displayed after the following program is executed?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main()
{
 int a = 8;
 if (a &gt; 0)
 {
 cout &lt;&lt; &quot;Positive &quot;;
 if (a % 2 == 0)
 {
 cout &lt;&lt; &quot;Even number&quot;;
 }
 else
 {
 cout &lt;&lt; &quot;Odd number&quot;;
 }
 }
 else
 {
 cout &lt;&lt; &quot;Negative&quot;;
 }
return 0;
}
</code></pre>

What is the result after the following program executes?
```C++
#include <iostream>
using namespace std;

int main()
{
 int a,b;
 a = 12;
 b = 5;
 if (a >= b){
 cout << "True";
 }
 else{
 cout << "False";
 }
 return 0;
}
```

What is the result after the following program executes?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main()
{
 int a,b;
 a = 12;
 b = 5;
 if (a &gt;= b){
 cout &lt;&lt; &quot;True&quot;;
 }
 else{
 cout &lt;&lt; &quot;False&quot;;
 }
 return 0;
}
</code></pre>

It shows `12` and then shows the `Floating point exception (core dumped)` error.

What is displayed when the following code runs?
```C++
#include <iostream>
using namespace std;

int main() {
 int dividend = 12;
 int divisor = 0;
 cout << dividend << endl;
 int quotient = dividend / divisor;
 cout << quotient;
 return 0;
}
```

What is displayed when the following code runs?
<pre><code class="language-C++">#include &lt;iostream&gt;
using namespace std;

int main() {
 int dividend = 12;
 int divisor = 0;
 cout &lt;&lt; dividend &lt;&lt; endl;
 int quotient = dividend / divisor;
 cout &lt;&lt; quotient;
 return 0;
}
</code></pre>

About the Course

Problem Solving with Simple Programs

Decisions and Branching

C++ Basics

Repetition with Loops

Strings and Arrays

Functions

Appendix - Complex Programs

Wrap Up

Quiz on C++ Basics