From 20fc727d4f954eb2109b71a7686c3107fdfa4bbf Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Fri, 21 Nov 2025 18:37:48 +0100
Subject: Cours du 3 au 21 novembre

ce qui fait 3 semaines en philo et une semaine en info
---
 .../tme/tme6-11/Reseau.c"                          | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 "semestre 3/structures des donn\303\251es/tme/tme6-11/Reseau.c"

(limited to 'semestre 3/structures des données/tme/tme6-11/Reseau.c')

diff --git "a/semestre 3/structures des donn\303\251es/tme/tme6-11/Reseau.c" "b/semestre 3/structures des donn\303\251es/tme/tme6-11/Reseau.c"
new file mode 100644
index 0000000..cbdaa88
--- /dev/null
+++ "b/semestre 3/structures des donn\303\251es/tme/tme6-11/Reseau.c"	
@@ -0,0 +1,53 @@
+#include "Chaine.h"
+#include <stdlib.h>
+#include "Reseau.h"
+
+CellNoeud* initNode(Reseau* R, double x, double y){
+    CellNoeud* node = (CellNoeud*) malloc(sizeof(CellNoeud));
+    node->nd = (Noeud*) malloc(sizeof(Noeud));
+    node->nd->num = ++R->nbNoeuds;
+    node->nd->x = x;
+    node->nd->y = y;
+    node->suiv = R->noeuds;
+    R->noeuds = node;
+    return node;
+}
+
+Noeud* rechercheCreeNoeudListe(Reseau *R, double x, double y){
+    CellNoeud* node = R->noeuds;
+    while (node && (node->nd->x != x || node->nd->y != y)) node = node->suiv;
+    if (node) return node->nd;
+    return initNode(R, x, y)->nd;
+}
+
+Reseau* reconstitueReseauListe(Chaines *C){
+    Reseau* R = (Reseau*) malloc(sizeof(Reseau));
+    CellChaine* chain = C->chaines;
+    while (chain){
+        CellPoint* points = chain->points;
+        CellNoeud* before;
+        CellNoeud* beforeTwice;
+        while (points){
+            Noeud* node = rechercheCreeNoeudListe(R, points->x, points->y);
+            // represents voisins of node
+            CellNoeud* cellNode = (CellNoeud*) malloc(sizeof(CellNoeud));
+            cellNode->nd = node;
+            cellNode->suiv = NULL;
+            if (beforeTwice){
+                CellNoeud* cell = (CellNoeud*) malloc(sizeof(CellNoeud));
+                cell->nd = node;
+                cell->suiv = NULL;
+                beforeTwice->suiv = cell; // link beforeTwice to current
+                before->nd->voisins = beforeTwice; // set before voisins
+            }
+            beforeTwice = before;
+            before = cellNode;
+            points = points->suiv;
+        }
+        if (beforeTwice && before){
+            before->nd->voisins = beforeTwice; // set before voisins
+        }
+        chain = chain->suiv;
+    }
+    return R;
+}
-- 
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