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lesimoes/fila.c

Created June 4, 2020 23:37
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Fila
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fila.c
#include <stdio.h>
#define TAM 4
struct fila {
int inicio, fim, tamanho;
char elemento[TAM];
}Fila;
void iniciar (struct fila *F) {
printf("Iniciando a Fila");
F->inicio = 0;
F->fim = -1;
F->tamanho = 0;
}
void inserir (struct fila *F, char valor) {
F->tamanho ++;
F->fim = (F->fim % (TAM - 1)) + 1;
F->elemento[F->fim] = valor;
}
char retirar (struct fila *F) {
F->tamanho --;
F->inicio = (F->inicio % (TAM -1)) + 1;
return F->elemento[F->inicio - 1];
}
int main() {
iniciar(&Fila);
inserir(&Fila, 'R');
inserir(&Fila, 'O');
inserir(&Fila, 'M');
inserir(&Fila, 'A');
printf("\n %c ", retirar(&Fila));
printf("\n %c", retirar(&Fila));
printf("\n %c", retirar(&Fila));
printf("\n %c", retirar(&Fila));
printf("\n");
return 0;
}
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