View Compilation Error

0_0_12057027_15636.cpp:52: error: declaration of `aa' as array of references
0_0_12057027_15636.cpp: In function `void getDig(LL)':
0_0_12057027_15636.cpp:53: error: `aa' undeclared (first use this function)
0_0_12057027_15636.cpp:53: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12057027_15636.cpp: In function `int main()':
0_0_12057027_15636.cpp:52: error: too many arguments to function `void getDig(LL)'
0_0_12057027_15636.cpp:72: error: at this point in file