create a method that calculate cumulative sum chart for 20 points in csharp

main.cs
public static int[] GetCumulativeSumChart(int[] values)
{
    int[] chart = new int[values.Length];

    int sum = 0;
    for (int i = 0; i < values.Length; i++)
    {
        sum += values[i];
        chart[i] = sum;
    }

    return chart;
}
245 chars
14 lines

main.cs
int[] values = new int[] { 3, 5, 7, 2, 1, 5, 8, 2, 4, 6, 7, 9, 1, 4, 6, 2, 3, 5, 7, 8 };

int[] chart = GetCumulativeSumChart(values);

foreach (int value in chart)
{
    Console.WriteLine(value);
}
199 chars
9 lines

main.cs
3
8
15
17
18
23
31
33
37
43
50
59
60
64
70
72
75
80
87
95
58 chars
21 lines