From f0d9ffcc86d15c3688a1f55a4b22cf6363ea803a Mon Sep 17 00:00:00 2001
From: Orestis <orestis.malaspinas@pm.me>
Date: Tue, 23 Nov 2021 22:19:03 +0100
Subject: [PATCH] added linked list
---
slides/cours_9.md | 156 ++++++-
slides/figs/Singly-linked-list.svg | 638 +++++++++++++++++++++++++++++
2 files changed, 793 insertions(+), 1 deletion(-)
create mode 100644 slides/figs/Singly-linked-list.svg
diff --git a/slides/cours_9.md b/slides/cours_9.md
index a693fa9..5609e7a 100644
--- a/slides/cours_9.md
+++ b/slides/cours_9.md
@@ -1,5 +1,5 @@
---
-title: "Backtracking et piles"
+title: "Piles et files d'attente"
date: "2021-11-25"
patat:
eval:
@@ -148,6 +148,10 @@ int stack_peek(stack *s) {
}
```
+## Quelle est la complexité de ces opérations?
+
+. . .
+
## Voyez-vous des problèmes potentiels avec cette implémentation?
. . .
@@ -502,3 +506,153 @@ char *infix_to_postfix(char* infix) { // init and alloc stack and postfix
return postfix;
}
```
+
+# La liste chaînée et pile (1/N)
+
+## Structure de données
+
+* Chaque élément de la liste contient:
+ 1. une valeur,
+ 2. un pointeur vers le prochain élément.
+* La pile est un pointeur vers le premier élément.
+
+{width=80%}
+
+# La liste chaînée et pile (2/N)
+
+## Une pile-liste-chaînée
+
+```C
+typedef struct _element {
+ int data;
+ struct _element *next;
+} element;
+typedef element* stack;
+```
+
+## Fonctionnalités?
+
+. . .
+
+```C
+stack stack_create(); // return NULL;
+void stack_destroy(stack *s);
+void stack_push(stack *s, int val);
+int stack_pop(stack *s);
+int stack_peek(stack s);
+bool stack_is_empty(stack s); // reutrn NULL == stack;
+```
+
+# La liste chaînée et pile (3/N)
+
+## Empiler? (faire un dessin)
+
+. . .
+
+```C
+
+
+
+
+
+
+
+```
+
+## Empiler? (le code ensemble)
+
+. . .
+
+```C
+void stack_push(stack *s, int val) {
+ element *elem = malloc(sizeof(*elem));
+ elem->data = val;
+ elem->next = *stack;
+ stack = elem;
+}
+```
+
+# La liste chaînée et pile (4/N)
+
+## Jeter un oeil? (faire un dessin)
+
+. . .
+
+```C
+
+
+
+
+
+
+
+```
+
+## Jeter un oeil? (le code ensemble)
+
+. . .
+
+```C
+int stack_peek(stack s) {
+ return s->data;
+}
+```
+
+# La liste chaînée et pile (5/N)
+
+## Dépiler? (faire un dessin)
+
+. . .
+
+```C
+
+
+
+
+
+
+
+```
+
+## Dépiler? (le code ensemble)
+
+. . .
+
+```C
+int stack_pop(stack *s) {
+ int val = stack_peek(*s);
+ element *tmp = *s;
+ *s = (*s)->next;
+ free(tmp);
+ return val;
+}
+```
+
+# La liste chaînée et pile (6/N)
+
+## Détruire? (faire un dessin)
+
+. . .
+
+```C
+
+
+
+
+
+
+
+```
+
+## Détruire? (le code ensemble)
+
+. . .
+
+```C
+void stack_destroy(stack *s) {
+ while (!stack_is_empty(*s)) {
+ int val = stack_pop(s);
+ }
+}
+```
+
diff --git a/slides/figs/Singly-linked-list.svg b/slides/figs/Singly-linked-list.svg
new file mode 100644
index 0000000..dae4ee1
--- /dev/null
+++ b/slides/figs/Singly-linked-list.svg
@@ -0,0 +1,638 @@
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