PCT/JavaArrays_Set1.java at master · sekhonjashan/PCT · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class JavaArrays_Set1 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int testcases = 0;
		int NumberN = 0;

		List<Long> numbers = new ArrayList<Long>();
		List<String> OT = new ArrayList<String>();
		//ArrayList<Long> numbers = new ArrayList<Long>();


		Scanner sc = new Scanner(System.in);
		testcases = sc.nextInt();

		if(testcases >= 1 && testcases <=100) {

			for(int i = 0;i<testcases;i++) {

				NumberN = (int) sc.nextLong();

				if(NumberN >= 1 && NumberN <=100) {

					for(int j=0; j<NumberN;j++) {

						numbers.add(j, sc.nextLong());

					}

				OT.add(i, calculateAvgSum(numbers));

				}


			}

			for(int i = 0; i<OT.size() ; i++) {
				System.out.println(OT.get(i));
			}


		}


		else {

			System.exit(0);

		}


	}

	private static String calculateAvgSum(List<Long> numbers) {
		// TODO Auto-generated method stub
		String out = "";
		int lenght = numbers.size();
		int summ = 0;
		double avg;
		DecimalFormat f = new DecimalFormat("##.00");

		for(int k=0; k<lenght;k++) {

			summ += numbers.get(k);

		}

		avg = (double) summ/lenght;
		f.format(avg);
		out = summ + " " + f.format(avg);

		return out;
		//System.out.println(out);

		/*
		 *
1
9
2 55 85 656 52 554 545 5 2
		 */

	}

}