C++ Exercises: Find the first 10 natural numbers

C++ For Loop: Exercise-1 with Solution

Write a program in C++ to find the first 10 natural numbers.

Pictorial Presentation:

C++ Exercises: Find the first 10 natural numbers

Sample Solution :-

C++ Code :

#include <iostream>
using namespace std;
int main()
    int i;
    cout << "\n\n Find the first 10 natural numbers:\n";
    cout << "---------------------------------------\n";
    cout << " The natural numbers are: \n";
    for (i = 1; i <= 10; i++) 
        cout << i << " ";
    cout << endl;

Sample Output:

 Find the first 10 natural numbers:                                    
 The natural numbers are:                                              
1 2 3 4 5 6 7 8 9 10  


Flowchart: Find the first 10 natural numbers

C++ Code Editor:

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C++ Programming: Tips of the Day

What is a smart pointer and when should I use one?

This answer is rather old, and so describes what was 'good' at the time, which was smart pointers provided by the Boost library. Since C++11, the standard library has provided sufficient smart pointers types, and so you should favour the use of std::unique_ptr, std::shared_ptr and std::weak_ptr.

There was also std::auto_ptr. It was very much like a scoped pointer, except that it also had the "special" dangerous ability to be copied - which also unexpectedly transfers ownership.

It was deprecated in C++11 and removed in C++17, so you shouldn't use it.

std::auto_ptr<MyObject> p1 (new MyObject());
std::auto_ptr<MyObject> p2 = p1; // Copy and transfer ownership. 
                                 // p1 gets set to empty!
p2->DoSomething(); // Works.
p1->DoSomething(); // Oh oh. Hopefully raises some NULL pointer exception.

Ref : https://bit.ly/3mc9GHE