View Compilation Error

0_0_3061066_30994.cpp: In function `int main()':
0_0_3061066_30994.cpp:50: error: `ansa' undeclared (first use this function)
0_0_3061066_30994.cpp:50: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3061066_30994.cpp:50: error: `ansb' undeclared (first use this function)