View Compilation Error

0_0_14994587_17405.cpp: In function 'void build(int, int, int)':
0_0_14994587_17405.cpp:27:9: error: expected primary-expression at end of input
         return
         ^
0_0_14994587_17405.cpp:27:9: error: return-statement with a value, in function returning 'void' [-fpermissive]
0_0_14994587_17405.cpp:27:9: error: expected ';' at end of input
0_0_14994587_17405.cpp:27:9: error: expected '}' at end of input