View Compilation Error

0_0_33633674_2514.cpp:7:7: error: 'll' does not name a type
 const ll INF=1e18+5;
       ^
0_0_33633674_2514.cpp: In function 'void Dinic()':
0_0_33633674_2514.cpp:85:29: error: 'INF' was not declared in this scope
         while(nowflow=dfs(s,INF))
                             ^