Last change
on this file since 42 was 2, checked in by Rick van der Zwet, 15 years ago |
Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
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-
Property svn:executable
set to
*
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File size:
1.2 KB
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[2] | 1 | #include <iostream>
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| 2 | #include <ctime>
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| 3 | using namespace std;
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| 4 |
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| 5 | int randomgetal () { // tussen 0 en 999
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| 6 | static int getal = time (NULL) % 1000;
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| 7 | getal = ( 621 * getal + 1 ) % 1000;
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| 8 | return getal;
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| 9 | }
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| 10 |
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| 11 |
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| 12 | class listvak {
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| 13 | public:
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| 14 | int getal;
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| 15 | listvak * volgende_pt;
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| 16 | void random();
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| 17 | };
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| 18 |
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| 19 | //voeg een AantalGetallen_int getallen toe aan de List die door Lbgin wordt gepointerd.
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| 20 | void random(listvak * Lbegin) {
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| 21 | for (int i = 0; i < randomgetal(); i++) {
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| 22 | listvak * Lnew;
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| 23 | Lnew = new listvak;
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| 24 | Lnew->getal = randomgetal();
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| 25 | Lnew->volgende_pt = Lbegin->volgende_pt;
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| 26 | Lbegin->volgende_pt = Lnew;
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| 27 | }
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| 28 | }
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| 29 |
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| 30 | //Vernietig de list gepointerd door Lbegin, laat enkel de verwijzing 'leven'
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| 31 | void destroy(listvak * Lbegin) {
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| 32 | listvak * hulp = Lbegin->volgende_pt;
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| 33 | while (hulp != NULL ) {
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| 34 | delete Lbegin->volgende_pt;
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| 35 | Lbegin->volgende_pt = hulp->volgende_pt;
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| 36 | hulp = Lbegin->volgende_pt;
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| 37 | }
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| 38 | Lbegin->getal = NULL;
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| 39 | }
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| 40 |
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| 41 |
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| 42 | int main() {
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| 43 | listvak * L1;
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| 44 | listvak * L2;
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| 45 | listvak * L3;
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| 46 | L1 = new listvak;
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| 47 | L2 = new listvak;
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| 48 | L3 = new listvak;
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| 49 |
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| 50 | L1->getal = randomgetal();
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| 51 | L1->volgende_pt = NULL;
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| 52 | random(L1);
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| 53 | listvak * hulp = L1;
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| 54 | //lijst met vakjes uitlezen
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| 55 | while (hulp != NULL ) {
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| 56 | cout << hulp->getal << " ";
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| 57 | hulp = hulp->volgende_pt;
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| 58 | }
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| 59 | }
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