sujet et code TD2

TD02/code/Pile.py

+class Pile():
+    def __init__(self, values = []):
+        self.__values = []
+        for v in values:
+            self.ajoute(v)
+
+    def ajoute(self, v):
+        self.__values.append(v)
+        return v
+
+    def supprime(self):
+        v = self.__values.pop()
+        return v
+
+    def affiche(self):
+        for v in self.__values:
+            print(v)
+
+    def taille(self): 
+        return len(self.__values)
\ No newline at end of file

TD02/code/etudiants-large100.txt

+nom;prenom;filiere;moyenne;absences
+Dickerson;Chaney;PSI;6;4
+King;Shay;PSI;2;2
+Chan;Aileen;MP;8;3
+Schwartz;Destiny;PSI;16;5
+Parrish;Prescott;MP;1;4
+Calhoun;Brenda;PSI;10;4
+Watts;Shellie;PSI;6;4
+Baird;Octavius;PC;4;2
+Graves;Vanna;MP;10;0
+Decker;Nerea;PSI;9;4
+Townsend;Naomi;PC;13;3
+Decker;Nichole;PSI;10;3
+Mcgee;Blythe;PSI;7;0
+Franco;Cyrus;PSI;12;1
+Mcdowell;Zelda;MP;6;1
+Cherry;Stone;PSI;10;5
+Mendoza;Kirsten;PC;18;0
+Mathis;Xaviera;MP;12;1
+Booker;Gretchen;MP;2;1
+Hansen;Slade;PSI;1;1
+Mason;Forrest;MP;13;3
+Wolfe;Fatima;PC;15;5
+Richards;Justine;MP;20;0
+Kelley;Abra;PC;2;4
+Lang;Ulysses;PSI;2;5
+Barker;Austin;MP;15;5
+Cannon;Kalia;MP;3;4
+Higgins;Charity;PSI;18;5
+Parker;Fritz;PC;14;2
+Chambers;Yvette;PSI;7;1
+Vinson;Denise;PSI;3;5
+Mcmillan;Chava;PSI;7;3
+Gallegos;Lee;PC;16;0
+Ferguson;Solomon;PSI;11;4
+Camacho;Zena;MP;4;4
+Sexton;Fallon;PSI;16;2
+Campbell;Preston;PC;0;0
+Greer;Lance;PC;15;5
+Oliver;Aileen;PC;10;2
+Nielsen;Timon;PC;1;2
+Perkins;Roth;PSI;1;2
+Beard;Blair;PSI;13;1
+Burgess;Keely;PSI;4;4
+Wells;Honorato;PSI;17;0
+Richardson;Cherokee;PC;20;1
+Burgess;Blair;PC;16;4
+Rice;Florence;PC;7;4
+Villarreal;Delilah;MP;9;5
+Cherry;Maite;MP;0;2
+Berry;Jermaine;MP;17;4
+Shepherd;Alfreda;PSI;20;5
+Workman;April;PC;3;1
+Carter;Herman;PC;11;1
+Carpenter;Teagan;MP;0;1
+Fowler;Leo;PSI;19;4
+Mcgee;Kristen;PSI;9;4
+Mcpherson;Channing;PC;0;0
+Diaz;Nathaniel;PC;4;5
+Klein;Maisie;PSI;16;3
+Graham;Gary;MP;12;4
+Jensen;Raja;PC;18;1
+Wilkinson;Sawyer;PSI;10;0
+Wagner;Lamar;MP;16;2
+Abbott;Sybil;MP;17;1
+Glenn;Arsenio;PSI;4;3
+Moreno;Axel;PSI;7;4
+Barrett;Dylan;PC;14;4
+Keith;Rae;PC;9;1
+Shepard;Rebecca;PC;8;5
+Meyers;Illiana;MP;3;3
+Bruce;Tatyana;MP;2;0
+Mcguire;Olivia;PC;17;4
+Merritt;Tatiana;PSI;19;3
+Berg;Dale;MP;12;1
+Matthews;Tallulah;MP;5;3
+Steele;Cain;MP;8;2
+Ellison;Britanni;PC;4;1
+Richards;Audra;MP;15;0
+Hood;Rylee;PSI;1;4
+Townsend;Paul;PC;14;4
+Cervantes;Thaddeus;MP;10;5
+Dudley;Amela;PC;2;0
+Lucas;Matthew;MP;4;1
+Parrish;Nell;PC;13;3
+Patterson;Bertha;PSI;18;0
+Knapp;Lawrence;MP;3;5
+Stanton;Keith;MP;5;2
+Hayes;Mannix;PSI;3;2
+Pearson;Ross;PC;10;4
+Kaufman;Uta;MP;10;4
+Bauer;Naida;PC;20;5
+Carrillo;Quamar;PC;15;3
+Orr;Lisandra;PSI;6;2
+Randolph;Darryl;PSI;16;4
+Boyer;Prescott;PC;20;2
+Serrano;Ashely;PSI;10;2
+Carney;Oren;PC;7;4
+Riley;Arden;PC;1;5
+Phillips;Joshua;PSI;20;3
+Soto;Colt;PC;16;3
\ No newline at end of file

TD02/code/etudiants.txt

+nom;prenom;filiere;note;absences
+Dupond;Pierre;MP;19;7
+Dupond;Jeanne;MP;19;5
+Clavier;Christian;PSI;14;1
+Gilles;Eric;PC;16;3
+Arthaud;Nathalie;MP;15;0
\ No newline at end of file

TD02/code/load.py

+data = []
+
+with open("etudiants.txt") as f:
+    keys = None
+    for line in f:
+        l = [w.strip() for w in line.split(';')]
+        if keys is None:
+            keys = l
+        else:
+            data.append({k:v for k, v in zip(keys, l)})
+
+print(data)
\ No newline at end of file

TD02/code/selection.py

+def selectionSort(l: list = []) -> list:
+    """Tri par selection en ligne"""
+    for i in range(0, len(l)):
+        min = i
+        for j in range(i+1, len(l)):
+            if(l[j] < l[min]):
+                min = j
+        tmp = l[i]
+        l[i] = l[min]
+        l[min] = tmp
+    
+    return l  
+
+if __name__=="__main__": 
+    liste = [54,26,93,17,77,31,44,55,20]
+    
+    assert(sorted(liste) == selectionSort(liste.copy()))
+    assert([] == selectionSort([]))
+    assert([1] == selectionSort([1]))
+    assert([1, 1] == selectionSort([1, 1]))
\ No newline at end of file

TD02/code/test_analyse_simple.py

+import time
+import random
+import matplotlib.pyplot as plt
+
+nvalues = [100, 500, 1500, 2000, 2500, 3000]
+
+timesSorted = []
+timesSort = []
+
+for i in nvalues:
+
+    random.seed()
+    p = 12**2
+    liste = []
+    
+    for x in range(i): liste.append(random.randint(0, p))
+
+    c = liste.copy()
+    a=time.perf_counter()
+    triSorted = sorted(c)
+    b=time.perf_counter()
+    timesSorted.append(b-a)
+
+    c = liste.copy()
+    a=time.perf_counter()
+    triSort = c
+    triSort.sort()
+    b=time.perf_counter()
+    timesSort.append(b-a)
+
+plt.plot(nvalues, timesSorted, "g-", label="Tri 1")
+plt.plot(nvalues, timesSort, "b-", label="Tri 2")
+plt.xlabel("Taille du jeu de données")
+plt.ylabel("Temps")
+plt.legend(loc="upper left")
+plt.title("Comparaison des performances des algorithmes de tri")
+plt.show()
\ No newline at end of file

TD02/code/test_heap.py

+import heapq
+tas = []
+
+for i in range(5): heapq.heappush(tas, i)
+
+while not len(tas) == 0: 
+  print(heapq.heappop(tas), end=" ")
+
+# 0 1 2 3 4
\ No newline at end of file

TD02/code/test_lifoqueue.py

+import queue
+pile = queue.LifoQueue()
+
+for i in range(5): pile.put(i)
+
+while not pile.empty(): 
+  print(pile.get(), end=" ")
+
+# 4 3 2 1 0
\ No newline at end of file

TD02/code/test_pile.py

+from pile import *
+
+p = Pile()
+
+for d in data:
+  p.ajoute(d) 
+  e = p.supprime()
+    
+print(e['nom'] + " " + e['prenom']) # Arthaud Nathalie
\ No newline at end of file