.
(, ), , .
:
- () .
- ( ).
- .
- .
- () .
- , () .
- .
- .
( , ) :
Program < () >; Uses < , >; { , } Label < ( ), >; { } Const < ( ), >; { } Type < , >; { } Var < , >; { } { < > } { < > }Begin < , >; { } < ( )>; { } < ( ), >; { }End.. v r h.
Program Vil;Uses Crt { / " " }Const pi = 3.14;Var r, h, v: real; { r h } { v }Begin ClrScr; { ( ) } ReadLn (r, h); { } v:=pi*r*r*h; { } WriteLn ( , v) { }End..
| sqr(x) | |
| x | sqrt (x) |
| || | abs (x) |
| sin x | sin(x) |
| cos x | cos(x) |
| tg x | tg(x) |
| ctg x | ctg(x) |
| arcsin x | arcsin (x) |
| arccos x | arccos(x) |
| arctg x | arctg(x) |
| ln x | ln(x) |
| = 2, 7... x | exp(x) |
| x mod y | |
| y | x div y |
| () | int(x) |
| 0 | rnd(x) |
| length (x) |
. : sqrt(9) = 3, abs(5) = 5, sin(0) = 0, cos(0) = 1, ln(1) = 0, exp(1) =e, 23 mod 5 = 3, 20 mod 5 = 0, 23 div 5 = 4, 20 div 5 = 4, int(2.7) = 2, int(2) = 2, rnd(0) = 0.231356, length() = 6.
|
|
|
( ) :
- ;
- ;
- ( "*" "/");
- ( "+" "").
. b*c + (d/t*(v/n/m))*sin(x) ( ): v/n, (v/n)/m, d/t, (d/t)*(v/n/m), sin(x), b*c, (d/t*(v/n/m))*sin(x), b*c+(d/t*(v/n/m))*sin(x) : 
.
.
1. () ():
Program < >;,< > , (, , ).
2. ( ) :
Read (< >); ReadLn (< >);.( ), .
3. :
Write (< >); WriteLn (< >);.( ), .
4. :
<>:= <>;,<> , <> . ":=" : <> , <>, , <>.
- () Begin.
- () End.
7. :
< > < >.
. , , , .
: , , .
1. :
< >;< >.2. , , , , , .
if <> then <, > else <, >;.() if (), then (), else (). , , ( ).
|
|
|
.
if (>y) { y, } then := { , } else x:= y; { ( <= y) x y }., , , .
if <> then <, >;.3. () , .
" (while)" :
while < > do < >; while < > do begin < 1>; < 2>;... < N> end;.01.11.14
while (), do (), begin (), end ().
, ( ).
" while < >" .
: , () ; , .
. , n. , n .
"" 2. )
Program Summa;Uses Crt; { / " "}Var i, n, s: real; { 1, 3, 5, , } { s , s > n }Begin ClrScr; { ( ) } ReadLn (n); { } s:=1; { } i:=1; { } while (s<=n) do { ( ) } begin i:=i+2; { } s:=s+i { } end; WriteLn (' ', s); { }End."" (for),
for <>:= < > to < > do <>; for <>:= < > to < > do begin < 1>; < 2>;... < N> end;.<> , .
for (), to ().
: , ; , ..
. n ( , , ), 10, 2. "" , " " ,
|
|
|
() .
. n, n! = 1 * 2 * 3 *... * (n 1) * n c n! = (n 1)! * n. . :
1! = 1, 2! = 1 * 2 = 1! * 2, 3! = 1 * 2 * 3 = 2! * 3,..., m! =1 * 2 * 3 *... * (m 1) * m = (m 1)! * m.
, m! (m 1)! m, m = 1, 2,..., n.
Program Factorial;Uses Crt;Var n, f, i: integer; { n } { n }Begin ClrScr; WriteLn(' n: '); { } ReadLn(n); { } f:=1; { f 1, 1!=1 } for i:=1 to n do { f i } f:=f*i; { i } WriteLn(' f: ',f); { }End.. n . n 2 . 1,0,1,0,0,1, c 100101.
Program S10-S2;Uses Crt;Var n, a, i, c: integer; { } { }Begin ClrScr; WriteLn(' : '); { } ReadLn(n); { } WriteLn(' :'); { "" } i:=0; { , } while (n>0) do { ( ) } begin i:=i+1; { } c:=n mod 2; { 2} n:=n div 2; { } write(c) { } end;End.
