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luciana1237

Untitled

Jul 21st, 2018
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C 1.13 KB | None | 0 0
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <stdbool.h>
  4.  
  5. #define MAX_PISTAS 3
  6.  
  7. typedef struct No {
  8.  
  9.     int pista[MAX_PISTAS],size;
  10.     struct No *prox;
  11.  
  12. }elem;
  13.  
  14. struct Fila{
  15.  
  16.     elem *inicio;
  17.     elem *fim;
  18.  
  19. };
  20.  
  21. typedef struct Fila fila;
  22.  
  23. int size=0;
  24.  
  25. fila *fila_cria()
  26. {
  27.     fila *f= (fila *) malloc(sizeof(fila));
  28.  
  29.     if (f != NULL)
  30.         f->inicio = NULL;
  31.         f->fim = NULL;
  32.  
  33. }
  34.  
  35. bool isEmpty(fila *f)
  36. {
  37.     return (f->inicio == NULL);
  38. }
  39.  
  40. bool enfileirar(fila *f,int p,int v)
  41. {
  42.     elem *no = (elem *) malloc(sizeof(elem));
  43.  
  44.     if (no == NULL)
  45.     {
  46.         fprintf(stderr," erro \n"); exit( 0 );
  47.     }
  48.     no->pista[ p ] = v;
  49.     no->prox = NULL;
  50.  
  51.     if (isEmpty(f))
  52.     {
  53.         f->inicio = no;
  54.     }else {
  55.         f->fim->prox =no;
  56.     }
  57.     size++;
  58.  
  59.     f->fim = no;
  60.     return true;
  61.  
  62.  
  63. }
  64.  
  65. void imprime(fila *f)
  66. {
  67.     fila *p;
  68.     //p= f->prox;
  69.     int i=0;
  70.     elem *c;
  71.     for(; i < size; i++)
  72.         printf("  [ %d ] \n",c->pista[ i ]);
  73. }
  74.  
  75. int main()
  76. {
  77.     fila *f = fila_cria();
  78.     enfileirar(f,0,3);
  79.     enfileirar(f,0,3);
  80.     imprime(f);
  81.  
  82. }
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