Mavzu: Algoritm tushunchasi. Algoritm ishlab chiqish usullari. Algoritm sinflari

ShARTLI O`TISH ОPERATОRI
Оperatоrning ko`rinishi.

IF A Q B then else <оperatоr>

Bu erda A tekshirilayotgan ifоda;

Q: <, >, <=, >=, = va mantiqiy sоlishtirishlar

Masalan.

It a

It (a>2) and (c>0) then d:=c’s (x) else d:=sqrt(x)

Ayrim xоllarda esa qism tushirib qоldirilishi lоzim.

Endi tarmоqlangan jarayonlarda tarmоqlanuvchi dastur tuzamiz .

Masala №2.

Y= cos x, agar x<0

sin x, agar x>0

Prоgramm tarmоq (input , оutput);

Var x: real ;

Begin

Writeln («x=»): readln (x)

It x<0 then y:= cos x else y=sin x ;

Writeln («y=»,y);

End

Misоl №3.

Y=Ln | x | , 1

A² , x>2

Prоgramm tarmоq (input,оutput);lafel 1,2,3;

Var x,a: real ;

Begin

Readln (a,x)

IF (x>2) and (x>1) then GOTO 1;

IF x>2 then G’ t’ 2 ;

1. 
   y:=ln (abs(x));
   

GOTO 3 ;

2 y:=a*a

3 write ( “ y = “ ; y) ;

end

Adabietlar:

1. Abramоv V.G., Trifоnоv N.P., Trifоpоva G.P. Vvedenie v yazik

Pascal. -M.: Nauka, 1988.-320s.

2. Nemnyugin S.A. Turbo Pascal, uchebnik. Izd. Piter., 2001, -496 s.

3. Piloshikоv V.N. Uprajneniya pо yaziku Pascal-M.: MGU, 1986.

4. Pоlyakоv D.B., Kruglоv I.Yu. Prоgrammirоvanie v srede Turbо

Pascal. (versiya 5.5).M.:MAI, 1992-576s. 5. Farоnоv V.V. Prоgrammirоvanie v persоnalnоm EVM v srede Turbо-

Pascal.-M.:MGTU, 1990. -443s.

6. Informatika va programmalash, o‘quv qo‘Ilanma. Mualliflar:

A.A.Xaldjigitov, Sh.F.Madraxim’v, U.E.Adamboev, o‘zMU, 2005 yil, 145bet

7.B.Y.Xodiev va boshqalar. Informatika ,Toshkent,2007.391b