View Compilation Error

0_0_25873343_23565.cpp: In function 'void bfs()':
0_0_25873343_23565.cpp:34:10: error: 'INF' was not declared in this scope
   dis[i]=INF;v[i].clear();
          ^
0_0_25873343_23565.cpp: In function 'int main()':
0_0_25873343_23565.cpp:85:14: error: 'INF' was not declared in this scope
   if(dis[n]==INF) printf("-1\n");
              ^