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FILA ENCADEADA.c
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FILA ENCADEADA.c
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#include <stdio.h>
#include <stdlib.h>
struct Node {
int data;
struct Node* next;
};
int inserirFila(struct Node** head_ref, int new_data){
struct Node* new_node = (struct Node*) malloc(sizeof(struct Node));
struct Node *last = *head_ref;
new_node->data = new_data; // DATA NAO ARMAZENAR DADO E PASSAR PARA O NOVO N�
new_node->next = NULL; // ULTIMO SER NULO
if (*head_ref == NULL) // se a fila estiver vazia esse ser� o cabe�alho
{
*head_ref = new_node;
return;
}
while (last->next != NULL)
last = last->next;
last->next = new_node;
return;
return 1;
}
void imprimeFila(struct Node* n){
while (n != NULL) {
printf(" %d \n", n->data);
n = n->next;
}
}
void excluirFila(struct Node** head_ref){
struct Node *temp = *head_ref, *prev;
*head_ref = temp->next; // mudando o cabe�alho pro proximo depois do primeiro
free(temp); // liberando memoria "excluindo"
return printf("exclu�do com sucesso.");
}
int main()
{
int i= -1;
int x;
struct Node* head = NULL;
while (i != 0){
printf("\n###FILA JA CRIADA###\n [1] INSERIR UM NUMERO\n [2] IMPRIMIR FILA\n [3] EXCLUIR NOH\n [0] SAIR\n");
scanf("%d", &i);
switch (i)
{
case 1:
scanf ("%d", &x);
inserirFila(&head, x);
break;
case 2:
imprimeFila(head);
break;
case 3:
excluirFila(&head);
break;
}
}
return 0;
}