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Cekaonica i pacjenti - red_pokazivac.h

/ Published in: C++
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Vedran Vađunec

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  1. struct cekaonica{ 
  2.     int broj_pacjenta;  
  3.     int cekanje ;
  4.     int proteklo_u_ordinaciji; 
  5.     int prioritet;   
  6. };
  7.  
  8. struct pokazivac{       
  9.     cekaonica elementi;  
  10.     pokazivac *sljedeci; 
  11. };     
  12.  
  13. struct red{
  14.     pokazivac *celo, *zacelje;
  15. };
  16.  
  17. cekaonica FrontQ(red *Red){
  18.     return (Red->celo->sljedeci->elementi);
  19. };
  20.  
  21. void InitQ(red *Red){
  22.     Red->celo=(pokazivac*)malloc(sizeof(pokazivac));
  23.     Red->celo->sljedeci=NULL;
  24.     Red->zacelje=Red->celo;
  25. };
  26.  
  27. bool IsemptyQ(red *Red){
  28.     if(Red->celo==Red->zacelje) 
  29.     return true;
  30.  
  31.     else 
  32.     return false;
  33. };
  34.  
  35. void DequeueQ(red *Red){
  36.     pokazivac *pomocna;
  37.     pomocna=Red->celo;
  38.     Red->celo=Red->celo->sljedeci;
  39.     free(pomocna);
  40. };
  41.  
  42. bool EnqueueQ(cekaonica x, red *Red){
  43.           pokazivac *pomocna;
  44.           pomocna=new pokazivac;
  45.           pomocna->elementi=x;
  46.           pomocna->sljedeci=NULL;
  47.           Red->zacelje->sljedeci=pomocna;
  48.           Red->zacelje=pomocna; 
  49. };

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