View Compilation Error

0_0_21757880_6965.cpp:8:8: error: 'LL' does not name a type
 inline LL rd(){
        ^
0_0_21757880_6965.cpp: In function 'int main()':
0_0_21757880_6965.cpp:57:23: error: 'rd' was not declared in this scope
             a[i] = rd();
                       ^
0_0_21757880_6965.cpp:62:20: error: 'rd' was not declared in this scope
             x = rd(), y = rd();
                    ^