View Compilation Error

0_0_22294025_9356.cpp:7:7: error: 'LL' does not name a type
 const LL INF = 0xffffffff;
       ^
0_0_22294025_9356.cpp: In function 'bool check(int, LL)':
0_0_22294025_9356.cpp:46:29: error: 'INF' was not declared in this scope
     for(LL fm=L;fm<=R && fm<INF/b;fm++) if(Enable(fm)){
                             ^