1. for {i = 1, i <= k − 1, i + +} do

2. for {j = 1, j < 2ⁱ⁻¹, j + +} do

3. if {P_Vx < (P_ij+r/2)} then

4. if {P_Vx > (P_ij−r/2)} then

5. {V_x become the candidate of a AHP_i}

6. {Comparing the |P_Vx − P_ij| and |P_VNx − Pij|}

7. if {|P_Vx − P_ij| is the smallest one} then

8. {V_x becomes the AHP_i}

9. else

10. {V_x becomes only candidate of AHP_i}

11. end if

12. end if

13. end if

14. end for

15.end for