FIT1008 Lecture Notes - Lecture 9: Merge Sort, Quicksort
18 Jun 2018
School
Department
Course
Professor
Merge%sort
!"#$%&'("%&#)*('&+,-.+)'(/-$,#0'1
2'34(56'0("-.)#03(+(%#&'(-7(,--8"9
:-")(-7()6'(5-.8(#"(#0($'.3#03
;
<"'"($-.'("%+/'
;
=&-"'()-(-%)#$+&(#0(+(0>$,'.(-7(/-$%+.#"-0"4
;
?--@(56'.'(/-$%+.#"-0(#"('A%'0"#B'
=-$%&'A#)CD(E20&-309
0(F$+A(0>$,'.(-7(/-$%+.#"-0"(+)('+/6(")+3'
;
&-3209(F$+A(0>$,'.(-7()#$'"(&#")(-7("#G'(0(/+0(,'(6+&B'@
;
H)+,&'(F-0&C(+@I+/'0)('&'$'0)"(+.'("5+%%'@
Quick%sort
!'&+,-.+)'("%&#)*("#$%&'(/-$,#0'1
J(%+.)#)#-0 &#")*("-.)(7#.")(%+.)(+0@("'/-0@(%+.)(.'/>."#B'&C(25#)6#09
=6--"'(+0(#)'$(#0()6'(&#")*(/+&&(#)(%#B-)
K4
L#.")(%+.)(F+&&(#)'$"(M(%#B-)4(
N4
H'/-0@(%+.)(F+&&(#)'$"(O(%#B-)
P4
=-$%&'A#)CD
Q'")D(E20&-309(
;
R-.")D(E20N9
;
<0")+,&'(F#7(7#.")(-7()6'()5-('&'$"(5#)6("+$'(B+&>'(#"(%#B-)*(-8+C4
Q<S(#7("'/-0@(-7()6'()5-('&'$"(5#)6("+$'(B+&>'(#"(%#B-)*("5+%%'@(5#)6('&'$(+)(
7.-0)(-7()6'(&#")(@>.#03(/-$%+.#"-0(%6+"'*(+0@(@>'()-(").#/)(M(0-)(MJ*(5#&&(+&5+C"(
.'$+#0(#0(7.-0)4
Week$9:$divide-&-conquer$sorts$(recursive)
L.#@+C*(KT(U>0'(NVKW
KNDXT
