View Compilation Error

0_0_25437843_776.cpp:10:8: error: 'll' does not name a type
 inline ll read(){
        ^
0_0_25437843_776.cpp: In function 'int main()':
0_0_25437843_776.cpp:51:23: error: 'read' was not declared in this scope
         int n; n=read();
                       ^