Èíôîðìàòèêà


         

ñëó÷àéíîå ÷èñëî îò


line(x,y)-(u,v),c                                               ëèíèÿ(õ,ó)-(è, v), ñ

line(x,y)-(u,v),c,b                                            ðàìêà(õ,ó)-(è,ó),ñ

circle(x,y),r,c                                                  îêðóæíîñòü(õ,ó), r,ñ

circle(x,y),r,c,al,a2                                         äóãà(õ,ó), r,ñ,à1,à2

paint(x,y),c                                                     çàêðàñêà(õ,ó),ñ

ñls                                                                    î÷èñòêà_ýêðàíà

screen 0,0                                                       òåêñòîâûé_ýêðàí

screen 1,0                                                       ãðàôè÷åñêèé_ýêðàí1

screen 2,0                                                       ãðàôè÷åñêèé_ýêðàí2

 

Ïðèìåðû îïåðàòîðîâ ïðèñâàèâàíèÿ.

Ïðèñâàèâàíèÿ                       Äåéñòâèå                                Ðåçóëüòàò

à = 0                                        à := 0                                       à = 0

b = à + 1                                 b := a + 1                                b = à + 1 = 1

ñ = 2*b + 3                              ñ := 2b + 3                              ñ = 2 b + 3 = 5

d = b/c                                     d := b/c                                               d = -b/c = 0.2

b = b + 1                                 b := b + 1                                b' = b + 1 = 2

b = b + 1                                 b := b + 1                                b" = b' + 1 = 3

Ìàòåìàòè÷åñêèå ôóíêöèè ñ ïðèìåðàìè îáðàùåíèÿ.

Ôóíêöèÿ        Ñìûñë                                                            Ïðèìåð                       Ðåçóëüòàò  

rnd                  - ñëó÷àéíîå ÷èñëî îò 0 äî 1             rnd

int (x)              - öåëàÿ ÷àñòü ÷èñëà õ                         int (5/3)                                   1

abs (x)             - àáñîëþòíîå çíà÷åíèå ÷èñëà          abs (-2)                                    2

sqr (x)             - êâàäðàòíûé êîðåíü ÷èñëà              sqr (16)                                   4


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