Zadacha2.cpp

#include <iostream>
#include <Windows.h>
#include <conio.h>
#include <stdio.h>
#include <math.h>
using namespace std;

int main()
{
	system("chcp 1251 >nul");
	int n;

	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);

	while (true)
	{
		int el = 1,				//Ïåðøå ÷èñëî
			num = 0;			//Íîìåð åëåìåíòà
		double sum = 0;			//Ïî÷àòêîâà ñóìà ÷èñë

		while (sum <= 5)												  //Ïîêè ñóìà ÷èñë íå á³ëüøå 5
		{
			cout << pow(2, (1. / el)) << " - "<< el<<"-é åëåìåíò"<< endl; //Âèâåäåííÿ ÷èñëà
			sum +=  pow(2, (1. / el));									  //ϳäðàõóíîê ñóìè ÷èñë
			el++;                                                         //Çíàõîäæåííÿ íàñòóïíîãî ÷èñëà(íà 1 á³ëüøå)
			num++;														  //Çá³ëüøèòè ë³÷èëüíèê ÷èñåë íà 1
		}
		cout << endl;
		cout << "Âñüîãî " << num << " åëåìåíò³â. \n¯õíÿ ñóìà äîð³âíþº " << sum << endl;

			cout << "n/N - exit" << endl;
		n = _getch();
		if (n == 78 || n == 110 || n == 210 || n == 242) exit(0);
		system("cls");
	}
}