#include <iostream>

using namespace std;

int main()
{
	const int MAX = 50;
	float myArr[MAX];
	
	//Q: make the first element as 50.3
	myArr[0] = 50.3;	
	
	//Q: The rest are 77.7
	for(int i=1; i<=MAX-1; i++)
		myArr[i] = 77.7;
	
	//Q: the 40th - 50th ones are changed to 71.7
	for(int i=39; i<=49; i++)
		myArr[i] = 71.7;

	//Q: Output the 10th, 20th, 30th, 40th
	cout << myArr[9] << "\t" << myArr[19] << "\t" << myArr[29] << "\t" 
				<< myArr[39] << endl;

	//Q: what are outputs
	//  77.7 77.7 77.7 71.1 
	
	//Q: output all
	for(int i=0; i<=MAX-1; i++)
		cout << myArr[i] << endl;

	//Q: Make all 0's
	for(int i=0; i<MAX; i++)
		myArr[i] = 0;
	
	cout << "\n\nWorks.\n\n";
	return 0;
}