View Compilation Error

0_0_3005593_10678.cpp: In function `void Solve()':
0_0_3005593_10678.cpp:170: error: `ans1' undeclared (first use this function)
0_0_3005593_10678.cpp:170: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3005593_10678.cpp:172: error: `ans2' undeclared (first use this function)