55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
|
#include<stdio.h>
|
||
|
|
#include<stdlib.h>
|
||
|
|
|
||
|
|
typedef struct m{
|
||
|
|
char valeur;
|
||
|
|
struct m* suivant;
|
||
|
|
} maillon;
|
||
|
|
|
||
|
|
int empty(maillon* p_liste){
|
||
|
|
if (p_liste){
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void push(maillon** p_pile, char new_valeur){
|
||
|
|
maillon* new_maillon = (maillon*) malloc(sizeof(maillon));
|
||
|
|
new_maillon->valeur = new_valeur;
|
||
|
|
new_maillon->suivant = *p_pile;
|
||
|
|
*p_pile = new_maillon;
|
||
|
|
}
|
||
|
|
|
||
|
|
char pop(maillon** p_pile){
|
||
|
|
char valeur= (*p_pile)->valeur;
|
||
|
|
maillon* p_suivant=(*p_pile)->suivant;
|
||
|
|
free(*p_pile);
|
||
|
|
*p_pile=p_suivant;
|
||
|
|
return valeur;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void){
|
||
|
|
int choix=99;
|
||
|
|
char caractere;
|
||
|
|
maillon* p_pile=NULL;
|
||
|
|
while(choix!=3){
|
||
|
|
printf("1- nouvelle valeur 2- récupérer 3-quitter\n");
|
||
|
|
printf("choix : ");
|
||
|
|
scanf("%d",&choix);
|
||
|
|
//printf("%d\n",choix);
|
||
|
|
if (choix==1){
|
||
|
|
printf("valeur : ");
|
||
|
|
scanf(" %c",&caractere);
|
||
|
|
push(&p_pile,caractere);
|
||
|
|
}
|
||
|
|
if (choix==2){
|
||
|
|
if (empty(p_pile)){
|
||
|
|
caractere = pop(&p_pile);
|
||
|
|
printf("resultat : %c\n",caractere);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
printf("O revoir BG\n");
|
||
|
|
return 0;
|
||
|
|
}
|