View Compilation Error

0_0_4071293_977.cpp: In function `int main()':
0_0_4071293_977.cpp:43: error: statement cannot resolve address of overloaded function
0_0_4071293_977.cpp:46: error: `n' undeclared (first use this function)
0_0_4071293_977.cpp:46: error: (Each undeclared identifier is reported only once for each function it appears in.)