[SOLVED] What is this error in r? Excution halted

Question

I have a problem Error: unexpected input "" execution halted but i do not can solved. Someone help me please!

https://code.sololearn.com/ctU3BpKMmk22/?ref=app

Answer 1

1. Remove the space in line 19 before "rangeSum".
2. Line 24: return (res)

Answer 2

Wow Simon Sauter amazing. Ident is very important in this lenguage. Thank you so much