View Compilation Error

0_0_36317189_18762.cpp:5:1: error: 'll' does not name a type
 ll dp[10][1<<20]={0};
 ^
0_0_36317189_18762.cpp:6:1: error: 'll' does not name a type
 ll a[41]={0};
 ^
0_0_36317189_18762.cpp: In function 'void solve()':
0_0_36317189_18762.cpp:9:9: error: 'dp' was not declared in this scope
  memset(dp,0,sizeof(dp));
         ^
0_0_36317189_18762.cpp:15:44: error: 'a' was not declared in this scope
    dp[i&1][j]=dp[(i-1)&1][j]+dp[(i-1)&1][j^a[i]];
                                            ^
0_0_36317189_18762.cpp: In function 'int main()':
0_0_36317189_18762.cpp:32:9: error: 'a' was not declared in this scope
    cin>>a[i];
         ^