Some tasks in C++

In this tutorial, you would learn the beginning of programming using C++. We do talk here for various cycles including the Fibonacci series made through the do-while cycle.

// Lesson1.cpp : Sets the entry point of console application.
//

#include "stdafx.h"
#include 
#include 
#include 
#include 
#include 

using namespace std;

class Fibonacci {
public:
	int a, b, c;
	void generate(int);
};

void Fibonacci::generate(int n) {
	a = 0; b = 1;
	cout << a << " " << b;
	for (int i = 1; i <= n - 2; i++) {
		c = a + b;
		cout << " " << c;
		a = b;
		b = c;
	}
}
int _tmain(int argc, _TCHAR* argv[])
{

	float x;        //	
	float y;        // declaration of variables	
	float n;        //	
	int b;
	int i = 0;
	b = 1;            //we set the value of b = 1	
	cout << 
"Addition of two numbers, to cancel it please click -1 " << endl;
	while (b != -1)    //creates a ring  so the program would run
//as much as you want to add numbers
	{
		// the following code gives to the end user to add 
// two numbers by calling and represents the result
		cout << "Input number x = ";
		cin >> x;
		cout << "Input number y = ";
		cin >> y;

		n = (x + y);

		cout << "Result of n = " << n << endl;

		//The following code sets the value of b n 
// from command line to set up if the ring is closed through
//the value while input is -1

		cout << "Continuing, [-1] to be stopped"; 

		cin >> b; //sets the input value at b

		cout << "The value of b =" << b << endl;

		if (b == 2)
		cout << "The given value is equal to 2"<< endl;

	}
	cout << endl;
	system("pause");
	cout << endl;
	cout << "Listing of the numbers from 1 till 10" << endl;
	for (i = 0; i < 10; i++) {
		cout << "Number " << i << " value " << i << endl;
	}
	cout << endl;
	system("pause");
	cout << endl;
	cout << "Skipping  of one cycle" << endl;

	for (i = 0; i < 10; i++) {
		if (i == 5) { cout << endl; continue; };

		cout << "The value of " << i << endl;

	}
	cout << endl;
	system("pause");
	cout << endl;
	cout << "Stopping of the ring upon a given number" 
        << endl;

	for (i = 0; i < 10; i++) {
	    if (i == 5) break;

		cout << "Value of " << i << endl;

	}
	cout << endl;
	system("pause");
	cout << endl;
	cout << "Inverse listing" << endl;
	for (i = 10; i >= 0; i--) {

		cout << "Value of " << i << endl;

	}
	cout << endl;
	system("pause");
	cout << endl;
	cout << "Splitting of numbers in even and odd numbers" << endl;
	cout << endl;
	int sumOdd = 0, sumEven = 0, countOdd= 0, countEven= 0; 
// Declaration and initialization of integer numbers


	for (i = 0; i < 10; i++) {
		if (i % 2 == 0) {
			countEven++; // increment by one
			sumEven += i;// adding
		}
		else
		{
			countOdd++; // increment by one
			sumOdd += i; // adding
		}

		 

	}
	cout << endl;
	system("pause");
	cout << endl;
	printf_s("Sums: %d even, %d oddnNumber %d even, %d odd", 
            sumEven, sumOdd, countEven, countOdd);
	cout << endl;
	system("pause");
	cout << endl;

	cout << "Fibonacci sequence" << endl;
	cout << "Input the number of terms that you need into the sequence: ";
	int n1;
	cin >> n1;
	Fibonacci fibonacci;
	fibonacci.generate(n1);
	cout << endl;
	system("pause");
	return 0;
}

 

Click here to download the code:
The code project in C++ of VS C++ 2014 also GNU CC