View Compilation Error

0_0_35377649_26500.cpp:5:7: error: 'll' does not name a type
 const ll INF = 0x3f3f3f3f;
       ^
0_0_35377649_26500.cpp: In function 'void init()':
0_0_35377649_26500.cpp:18:28: error: 'INF' was not declared in this scope
             else dis[i][j]=INF;
                            ^
0_0_35377649_26500.cpp: In function 'void floyd()':
0_0_35377649_26500.cpp:26:27: error: 'INF' was not declared in this scope
             if(dis[i][k]!=INF)
                           ^
0_0_35377649_26500.cpp: In function 'int main()':
0_0_35377649_26500.cpp:59:27: error: 'INF' was not declared in this scope
             if(dis[0][i]!=INF)
                           ^
0_0_35377649_26500.cpp:66:17: error: 'INF' was not declared in this scope
         int ans=INF;
                 ^