View Compilation Error

0_0_25619698_3160.cpp: In function 'void solve(int, int, int, long long int)':
0_0_25619698_3160.cpp:91:11: error: 'mul' was not declared in this scope
  ll tmp = mul;
           ^
0_0_25619698_3160.cpp: In function 'int main()':
0_0_25619698_3160.cpp:149:25: error: too many arguments to function 'void solve(int, int, int, long long int)'
   solve(A[0], 0, 0, 0, 0);
                         ^
0_0_25619698_3160.cpp:89:6: note: declared here
 void solve(int x, int y, int pre_not_dead, ll way)
      ^