public void sum_arr()
{
int[] odd_arr = new int[15];
int[] even_arr = new int[15];
int[] sum_arr = new int[15];
int sum = 0;
for (int i = 0; i < 15; i++)
{
if (i % 2 == 0)
{
even_arr[i] = i + 1;
}
else
{
odd_arr[i] = i + 1;
}
}
for (int i = 0; i < 15; i++)
{
sum += odd_arr[i];
sum += even_arr[i];
sum_arr[i] = sum;
}
for (int i = 0; i < 15; i++)
{
Console.WriteLine(sum_arr[i]);
}
}