View Compilation Error

0_0_33441999_25450.cpp: In function 'int main()':
0_0_33441999_25450.cpp:84:30: error: expected ')' at end of input
                 update(1,n,1,a
                              ^
0_0_33441999_25450.cpp:84:30: error: expected '}' at end of input
0_0_33441999_25450.cpp:84:30: error: expected '}' at end of input
0_0_33441999_25450.cpp:84:30: error: expected '}' at end of input