View Compilation Error

0_0_34282710_32574.cpp:116:7: error: 'bool link_cut_tree::check(int, int)' cannot be overloaded
  bool check(int u,int v){//put u into v,now check v is in u ? yes
       ^
0_0_34282710_32574.cpp:106:7: error: with 'bool link_cut_tree::check(int, int)'
  bool check(int u,int v){//put u into v,now check v is in u ? no
       ^