View Compilation Error

0_0_21443055_21442.cpp: In function 'int main()':
0_0_21443055_21442.cpp:65:22: error: 'son' was not declared in this scope
         mem(head,-1),son[1]=0,mem(vis,0),tot=0,cnt=0,dep[1]=0;
                      ^
0_0_21443055_21442.cpp:65:54: error: 'dep' was not declared in this scope
         mem(head,-1),son[1]=0,mem(vis,0),tot=0,cnt=0,dep[1]=0;
                                                      ^