View Compilation Error

0_0_32100103_24343.cpp: In function 'int main()':
0_0_32100103_24343.cpp:43:11: error: 'y' was not declared in this scope
   db k = (y+1-eps)/x;
           ^
0_0_32100103_24343.cpp:43:20: error: 'x' was not declared in this scope
   db k = (y+1-eps)/x;
                    ^