View Compilation Error

0_0_17952146_13888.cpp: In function 'int main()':
0_0_17952146_13888.cpp:40:22: error: 'LL' was not declared in this scope
      ans[i]=(ans[i]+(LL)C[n-a[j]][i-k]*C[a[j]][k]%mod*((1<<j)%mod)%mod)%mod;
                      ^
0_0_17952146_13888.cpp:40:25: error: expected ')' before 'C'
      ans[i]=(ans[i]+(LL)C[n-a[j]][i-k]*C[a[j]][k]%mod*((1<<j)%mod)%mod)%mod;
                         ^