View Compilation Error

0_0_21748077_12834.cpp:8:22: error: declaration does not declare anything [-fpermissive]
 #define ll long long int;    
                      ^
0_0_21748077_12834.cpp:10:1: note: in expansion of macro 'll'
 ll b[maxn];  
 ^
0_0_21748077_12834.cpp:10:4: error: 'b' does not name a type
 ll b[maxn];  
    ^
0_0_21748077_12834.cpp: In function 'int main()':
0_0_21748077_12834.cpp:31:28: error: 'b' was not declared in this scope
             scanf("%lld", &b[i]);  
                            ^
0_0_21748077_12834.cpp:33:23: error: 'b' was not declared in this scope
         num[0] = log2(b[0]);  
                       ^