Table 2.

Comparison of computation complexity.

Phase of Scheme	SPCQ	PPRQ
SU	$3n\ast C_e+n\ast C_m$	$2n\ast C_e+n\ast C_m$
DU	$2n\ast C_e$	$4m\ast C_e+2m\ast C_m$
CS	$nN\ast C_p+2nN\ast C_m$	$23mnN\ast C_e+23mnN\ast C_m$