Classes and Structs
C S LP TRINH NNG CAO
Bin son: Ths.Tn Quang [email protected]
TPHCM, NM 2013TRNG I HC NGOI NG - TIN HC TP.HCMKHOA CNG NGH THNG
TIN#145T/4 = 11 buoi
Mc tiu mn hc Mc tiu cn t c - Nm vng mt s phng phap Thit k thut
ton giai bai toan tin hoc- Nm vng mt s phng phap Ti u hoa chng
trnh
#2Ni dung mn hcChng 1: phc tp ca thut tonChng 2: n tp k thut x l
File Mng Xu k t Chng 3: Lp trnh quyChng 4: Phng php Quay luiChng 5:
Phng php Nhnh cnChng 6: Phng php Chia trChng 7: Phng php Tham
lamChng 8: Phng php Quy hoch ngChng 9: Phng php Hnh hcChng 10: Ti u
hoa chng trnh
#3Ti liu tham khoBooksV nh Ha, Trung Kin, Thut ton v phc tp ca
thut ton, NXB HSP, 2007Steven S. Skiena, The Algorithm Design
Manual, Springer , 2008Art Lew, Holger Mauch, Dynamic Programming A
Computational Tool, Springer, 2007Thomas H. Cormen, Charles E.
Leiserson, Ronald L. Rivest, Clifford Stein, Introduction to
Algorithms, 2009Jon Bentley, Writing Efficient Programs,
Prentice-Hall, 1982Jon Bentley, Programming Pearls, Addison Wesley,
2000
#4 PHC TP CA THUT TONChng 1#5Ni dung phc tp ca thut ton
c lng phc tp ca thut ton
#6 PHC TP CA THUT TON #7Thi gian thc hin thut tonPhn tch thut
ton: Phn tch thut ton l xc nh lng ti nguyn cn thit thc thi thut
ton:Thi gian thc hin thut ton B nh cn thc hin thut ton
Tiu ch thng c dng nh gi thut ton l thi gian thc hin thut
ton.#8Thi gian thc hin thut ton Mc tiu ca phn tch thut ton So snh
chn ra thut ton no chy nhanh nht Tm nhng yu im ca thut ton Ci tin
thut ton tt hn
2 cch o thi gian thc hin ca thut tonThi gian thc hin thc tThi
gian thc hin l thuyt (Phn tch thut ton)#Thi gian thc hin thut
tonThi gian thc hin thc t: Da trn thc t khi chy cc thut ton c tnh
bng (mili second, second, minute, hour, day)Kt lun: Thut ton no
nhanh, thut ton no chm#10Thi gian thc hin thut ton Thi gian thc hin
thc t ph thuc vo nhiu yu t:D liu vo: Kch thc d liuc im ca d liu Tc
ca my tnhNgn ng lp trnhChng trnh dch cho ngn ng lp trnhH iu hnh thc
hin chng trnh#11Thi gian thc hin thut tonThi gian thc hin thc t: Da
trn thc t khi chy cc thut ton c vit trn:Cng ngn ng lp trnh, cng
trnh bin dchCng h thng my tnhCng b d liu vo chunKt lun: Thut ton no
nhanh, thut ton no chm#12Thi gian thc hin thut tonThi gian thc hin
l thuyt: Da vo S php ton c bn trong thut ton s c thc hin bao nhiu
lnKch thc d liu voKt lun + Thut ton no nhanh, thut ton no chm + Tm
ra nhng ni cn ci tin thut ton #Thi gian thc hin thut tonPhp ton c
bn: Mt php ton c gi l c bn nu thi gian thc hin ca n b chn trn bi mt
hng s (ch ph thuc cch ci t c s dng ngn ng lp trnh, my tnh, ).
V d: +, -, *, /Cc php so snh: >, =,
