View Compilation Error

0_0_33288417_8181.cpp: In function 'void ww(int)':
0_0_33288417_8181.cpp:21:9: error: 'arr' was not declared in this scope
  memset(arr,0,MAX*13*sizeof(int));
         ^
0_0_33288417_8181.cpp:8:20: error: expected ')' before 'int'
 #define MAX 100000 int arr[MAX][13];
                    ^
0_0_33288417_8181.cpp:21:15: note: in expansion of macro 'MAX'
  memset(arr,0,MAX*13*sizeof(int));
               ^
0_0_33288417_8181.cpp:21:19: error: invalid type argument of unary '*' (have 'int')
  memset(arr,0,MAX*13*sizeof(int));
                   ^