View Compilation Error

0_0_5014655_21952.cpp: In function `int Solve()':
0_0_5014655_21952.cpp:45: error: `pos' undeclared (first use this function)
0_0_5014655_21952.cpp:45: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5014655_21952.cpp:45: error: invalid types `int[int]' for array subscript
0_0_5014655_21952.cpp:45: error: invalid types `int[int]' for array subscript