View Compilation Error

0_0_24574889_13082.cpp:11:24: error: conflicting declaration 'int dx'
 int N, M, T, S_x, S_y, dx, dy, D_x, D_y,wall_count;
                        ^
0_0_24574889_13082.cpp:9:5: note: previous declaration as 'int dx [4]'
 int dx[]={-1,0,1,0};
     ^
0_0_24574889_13082.cpp:11:28: error: conflicting declaration 'int dy'
 int N, M, T, S_x, S_y, dx, dy, D_x, D_y,wall_count;
                            ^
0_0_24574889_13082.cpp:10:5: note: previous declaration as 'int dy [4]'
 int dy[]={0,-1,0,1};
     ^