View Compilation Error

0_0_32096959_11562.cpp: In function 'void Updata(int, int, int)':
0_0_32096959_11562.cpp:6:12: error: expected primary-expression before 'long'
 #define LL long long
            ^
0_0_32096959_11562.cpp:36:15: note: in expansion of macro 'LL'
   tree[i].sum=LL(sqrt(tree[i].sum*1.0)); // 更新数字和，向上保持正确
               ^