, : true () false (). 1, . :
Var A: Boolean;
: not, and, or, xor.
, . , 1 . Char . ( ):
1. , : W, V, ;
2. , 0 255.
3. ^K, K . K 64 .
:
Succ(x) ;
Pred(x) ;
Ord(x) ;
Chr(x) ;
UpCase(x) a..z .
ASCII.
, String. ( ) 255. , 255 . :
Var <_>: string[< >];
(). 0, , , , 1 . 1, , S=stroka, S[1]=s;. .
. , .
:
Type Day=(Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday);
Var A: Day;
A Type. Var:
Var A: (Monday, Tuesday);
, , Monday<Tuesday<Wednesday . . succ, pred, ord, inc dec, : A:=Tuesday;
, . m..n, m () , n (); m n , , , . ,
|
|
|
. ,
| + | |
| - | |
| * | |
| div | ( ). ( ). |
| mod | ( ). : a mod b = a ((a div b) * b). |
.
| = | |
| <> | |
| >= | |
| > | |
| <= | |
| < |
| abs(x) | x ( x) | |
| sqr(x) | x | |
| succ(x) | x (x+1) | |
| pred(x) | x (x-1) | |
| random(x) | 0..x-1. | |
| sin(x) | x ( ) | |
| cos(x) | x ( ) | |
| arctan(x) | x ( ) | |
| ln(x) | x | |
| exp(x) | x | |
| sqrt(x) | x | |
| odd(x) | true, x ; false . |
.
9 . READ. WRITE. .
.
- (, , CD- ..), (, , , ..).
.
: - , , .. , , , , , , - ..).
() /:
READ ()
WRITE ().
INPUT () OUTPUT () . /.
:
WRITE (A1, A2,, AN); - A1, A2,, AN ;
WRITELN (A1, A2,, AN); - A1, A2,, AN ;
WRITELN; - .
:
;
;
;
;
.
(- ) (- ).
|
|
|
:
READ (A1, A2,, AN); - N A1, A2,, AN;
READLN (A1, A2,, AN); - N A1, A2,, AN ;
READLN; - .
:
;
;
;
.
10 . IF. REPEAT. WHILE.
, . :
;
IF;
CASE;
REPEAT;
WHILE;
FOR;
WITH.
:
, begin end:
begin
< 1>;
< 2>;
...
< N>
end;
IF:
.
A:=2; b:=5;
If a<b then write(a) else write(b);
