View Compilation Error

0_0_37289600_31684.cpp: In function 'void doWork()':
0_0_37289600_31684.cpp:66:18: error: 'I' was not declared in this scope
         cin >> a[I];
                  ^
0_0_37289600_31684.cpp:95:20: error: a function-definition is not allowed here before '{' token
         int main() {
                    ^
0_0_37289600_31684.cpp:104:9: error: expected '}' at end of input
         }
         ^
0_0_37289600_31684.cpp:104:9: error: expected '}' at end of input