/in/foo.cc: In function 'void LCA(int, int)':
/in/foo.cc:26:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(dep[x]<dep[y]) swap(x,y); d=dep[x]-dep[y];
  ^~
/in/foo.cc:26:31: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  if(dep[x]<dep[y]) swap(x,y); d=dep[x]-dep[y];
                               ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:41:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(!fa) root=num;add(fa,num);
   ^~
/in/foo.cc:41:20: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
   if(!fa) root=num;add(fa,num);
                    ^~~