View Compilation Error

0_0_38927163_20269.cpp: In function 'll getDown(int, int)':
0_0_38927163_20269.cpp:32:27: error: expected primary-expression at end of input
   32 |         return sum[k]-sum[
      |                           ^
0_0_38927163_20269.cpp:32:27: error: expected ']' at end of input
   32 |         return sum[k]-sum[
      |                           ^
      |                           ]
0_0_38927163_20269.cpp:32:27: error: expected ';' at end of input
   32 |         return sum[k]-sum[
      |                           ^
      |                           ;
0_0_38927163_20269.cpp:32:27: error: expected '}' at end of input
0_0_38927163_20269.cpp:31:1: note: to match this '{'
   31 | {
      | ^