View Compilation Error

0_0_33636813_12147.cpp:4:7: error: 'INF' does not name a type
 const INF =0x3f3f3f; 
       ^
0_0_33636813_12147.cpp: In function 'bool Bellman_ford()':
0_0_33636813_12147.cpp:28:11: error: 'INF' was not declared in this scope
   d[i] = -INF;
           ^
0_0_33636813_12147.cpp:37:29: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
             if(d[v]<d[u]+w[v] && d[u]+w[v]> 0)
                             ^
0_0_33636813_12147.cpp:38:27: error: 'en' was not declared in this scope
                 d[v]=d[u]+en[v]; 
                           ^
0_0_33636813_12147.cpp:45:25: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
         if(d[v]<d[u]+w[v] && d[u]+w[v] > 0)
                         ^
0_0_33636813_12147.cpp:51:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_33636813_12147.cpp:79:1: error: expected '}' at end of input
 }
 ^