View Compilation Error

0_0_6775550_32702.cpp: In function `int main()':
0_0_6775550_32702.cpp:69: error: `ans1' undeclared (first use this function)
0_0_6775550_32702.cpp:69: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6775550_32702.cpp:69: error: `ans2' undeclared (first use this function)