View Compilation Error

0_0_38608068_17355.cpp: In function 'int main()':
0_0_38608068_17355.cpp:134:39: error: no matching function for call to 'segtree::merge(int&, int&, int, int&, int)'
     rt[y] = tr.merge(rt[x],rt[y],1,n,1);
                                       ^
0_0_38608068_17355.cpp:104:6: note: candidate: 'int segtree::merge(int, int, int)'
  int merge(int p,int q,int t){
      ^~~~~
0_0_38608068_17355.cpp:104:6: note:   candidate expects 3 arguments, 5 provided