7 kyu
link to kata
my solution
Make a function "add" that will be able to sum elements of list continuously and return a new list of sums.
For example:
add [1,2,3,4,5] == [1, 3, 6, 10, 15], because it's calculated like
this : [1, 1 + 2, 1 + 2 + 3, 1 + 2 + 3 + 4, 1 + 2 + 3 + 4 + 5]
If you want to learn more see https://en.wikipedia.org/wiki/Prefix_sum