View Compilation Error

1_872_9343_8194.cpp:9:7: error: 'LL' does not name a type
 const LL Inf = 1000000000000000000;
       ^
1_872_9343_8194.cpp: In function 'void solve()':
1_872_9343_8194.cpp:41:15: error: 'Inf' was not declared in this scope
     LL ans = -Inf;
               ^