Repeat <> until <>;
:
Repeat , (False), , (True), . . Repeat . Repeat , <> . .
:
S:=0;
I: =1;
Repeat
S:=S+1/I;
I:=I+1
Until (1/K<Eps) Or (I>=MaxInt);
1.
1. .
2. .
4. , .
program lab1;
begin
writeln('<>');
end.
5. writeln('< >'). , , .
6. F10, Run, Run. Alt-F5.
7. task _1.pas, F10, Save as.
8. TP, .
2.
1. .
2. , File, New.
3. :
Program kwur; (* *)
Uses crt; { CRT}
Var a,b,c,d,w,z,xl,x2:Real; { }
otvet:Char;
Begin { }
Clrscr; { }
WriteLn (' ');
WriteLn (' ');
Repeat { }
Write(' a');
ReadLn (); { }
If a=0 Then Writeln (' ')
Else Begin
Write (' b='); ReadLn (b);
Write (' ='); ReadLn ();
D: = b*b - 4*a*c; { }
Z:=-b/(2*a);
W:=sqrt(abs(d))/(2*a);
WriteLn (' a=',a:5:2,' b=',b:5:2, ' c=',c:5:2);
If D<0 then
Begin
WriteLn ('Xl= ', Z:6:3,' + i*',w:5:3);
WriteLn ('X2= ', Z:6:3,' - i*',w:5:3);
End
Else
Begin
xl: = z + w;
x2: = z-w;
WriteLn ('xl=',xl:5:2,' x2=',x2:5:2);
End
End;
WriteLn (' ? (y/n)');
Readln (otvet);
Until otvet<>'y'; {, otvet }
WriteLn ('! !');
End.
4. , i, F10, Debug, Add Watch.
20. .
21. , F8. d.
3. .
0,001 a=5,48 b=1,27:
:
|
|
|
: 0,022.
: Turbo Pascal 0,01 a=3,81 b=7,16:
: -0,04.
4. - y = y(x).
|
Program part_1;
Uses crt;
Var x,y: real;
Begin
Clrscr; { }
Writeln( x );
Readln(x); { x}
If x<0 then writeln( ) { }
else begin y:=sqrt(x)/(x+2); { }
writeln(y:5:2) { }
end;
readkey; { }
end.
: -
5. 0 9. (0 , 1 , 2 ,...).
6. , , N=3.
7. , :
1. ?
2. real? real integer?
3. , , ? .
4. ?
5. read readln? ?
6. write writeln? ?
7. ?
8. ?
9. ?
