View Compilation Error

0_0_36576205_8493.cpp: In function 'int main()':
0_0_36576205_8493.cpp:45:28: error: 'lp' was not declared in this scope
             ans = max(ans, lp + mx);
                            ^
0_0_36576205_8493.cpp:45:33: error: 'mx' was not declared in this scope
             ans = max(ans, lp + mx);
                                 ^