View Compilation Error

0_0_33787504_3757.cpp: In function 'void init()':
0_0_33787504_3757.cpp:29:33: error: 'sizeoff' was not declared in this scope
     memset(dist,INF,sizeoff(dist));
                                 ^
0_0_33787504_3757.cpp: In function 'bool SPFA()':
0_0_33787504_3757.cpp:46:5: error: 'vis' was not declared in this scope
     vis[1]=true;
     ^
0_0_33787504_3757.cpp:50:5: error: 'cnt' was not declared in this scope
     cnt[1]=1;
     ^