View Compilation Error

0_0_13578561_41.cpp:18:1: error: 'LL' does not name a type
 LL  dp[1<<19][20] ;
 ^
0_0_13578561_41.cpp: In function 'int main()':
0_0_13578561_41.cpp:32:18: error: 'dp' was not declared in this scope
           memset(dp , 0 , sizeof(dp)) ;
                  ^