Initial commit

17 files changed, 714 insertions, 0 deletions

diff --git a/sem_4/progaapp/TP1/GaspardCoulet b/sem_4/progaapp/TP1/GaspardCoulet
new file mode 100644
index 0000000..2cf6a87
--- /dev/null
+++ b/sem_4/progaapp/TP1/GaspardCoulet
diff --git a/sem_4/progaapp/TP1/day.bak b/sem_4/progaapp/TP1/day.bak
new file mode 100644
index 0000000..a363622
--- /dev/null
+++ b/sem_4/progaapp/TP1/day.bak
@@ -0,0 +1,15 @@
+#lang racket
+(define bissextile
+  (lambda (x)
+    ( if (= (modulo x 4) 0)
+         (if (not (= ( modulo x 100) 0))
+             (#t)
+             (if (= ( modulo x 400) 0)
+                 (#t)
+                 (#f))
+            )
+         (#f))
+    )
+  )
+                
+             
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/day.rkt b/sem_4/progaapp/TP1/day.rkt
new file mode 100644
index 0000000..c55d5f5
--- /dev/null
+++ b/sem_4/progaapp/TP1/day.rkt
@@ -0,0 +1,103 @@
+#lang racket
+(define bissextile
+  (lambda (x)
+    ( if (= (modulo x 4) 0)
+         (if (not (= ( modulo x 100) 0))
+             #t
+             (if (= ( modulo x 400) 0)
+                 #t
+                 #f)
+            )
+         #f)
+    )
+  )
+
+(define nb-annee-bissextile
+  (lambda (x)
+    (letrec ( (f
+               (lambda (x i)
+                 (if (not (= x 1900))
+                     (if (bissextile x)
+                         (f (- x 1) (+ i 1))
+                         (f (- x 1) i)
+                         )
+                     i)
+                 )
+               ))
+             ( f x 0)
+      )
+    )
+  )
+
+(define nb-jours-au-1-jan
+  (lambda (x)
+    (letrec ((f
+              (lambda (x i)
+                (if (not(= x 1))
+                    (if (or (= 2 x) (= x 4) (= x 6) (= x 9) (= x 11))
+                        (if (= x 2)
+                            (f (- x 1) ( + i 28))
+                            (f (- x 1) (+ i 30))
+                            )
+                        (f (- x 1) (+ i 31))
+                        )
+                    ( + i 31)
+                    )
+                )
+              ))
+              (if (= 1 x)
+                  0
+                  ( f (- x 1) 0)
+                  )
+      )
+    )
+  )
+
+(define nb-jours (lambda (m d y)
+                   (let ((i (if (= y 1900)
+                                0
+                                (+ (* (nb-annee-bissextile y) 1) (* 365 (- y 1900)))
+                            )
+                        ))
+                        (let ((i (+ i (nb-jours-au-1-jan m))))
+                              (let ((i (+ i d)))
+                                (- i 1)
+                                )
+                          )
+                     )
+                   )
+  )
+
+(define jour-semaine (lambda (m d y)
+                       (let ((nbjour (nb-jours m d y)))
+                         (if (= (modulo nbjour 7) 0)
+                             (display "Lundi")
+                             (if (= (modulo nbjour 7) 1)
+                                 (display "Mardi")
+                                 (if (= (modulo nbjour 7) 2)
+                                     (display "Mercredi")
+                                     (if (= (modulo nbjour 7) 3)
+                                         (display "Jeudi")
+                                         (if (= (modulo nbjour 7) 4)
+                                             (display "Vendredi")
+                                             (if (= (modulo nbjour 7) 5)
+                                                 (display "Samedi")
+                                                 (if (= (modulo nbjour 7) 6)
+                                                     (display "Dimanche")
+                                                     (display "whut?")
+                                                     )
+                                                 
+                                                 )
+                                             )
+                                         )
+                                     )
+                                 )
+                             )
+                         )
+                       )
+  )
+                                              
+
+                                
+                                 
+             
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/divers.bak b/sem_4/progaapp/TP1/divers.bak
new file mode 100644
index 0000000..f9c02be
--- /dev/null
+++ b/sem_4/progaapp/TP1/divers.bak
@@ -0,0 +1,11 @@
+#lang racket
+(define genliste ( lambda (d f p)
+                    (letrec ((f(lambda (li d)
+                                (if (< f (+ d p) )
+                               ( f (append li (+ d p)) (+ d p))
+                               li)
+                                )))
+                      (f '() d)
+                      )
+                    ))
+(define somme (lambda (x y z) (+ x y z)))
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/divers.rkt b/sem_4/progaapp/TP1/divers.rkt
new file mode 100644
index 0000000..576f153
--- /dev/null
+++ b/sem_4/progaapp/TP1/divers.rkt
@@ -0,0 +1,39 @@
+;Gaspard Coulet 21601609 Groupe B
+#lang racket
+
+;Exercice 9 :
+(define genliste (lambda (d f p)
+                    (letrec ((fun(lambda (li d)
+                                (if (> f (+ d p) )
+                               ( fun (append li (list (+ d p))) (+ d p))
+                               li)
+                                )))
+                      (fun '() (- d p))
+                      )
+                    ))
+
+;Exercice 10 :
+
+(define make-lancer (lambda (x y z)
+                      (list x y z)))
+(define premier (lambda ( li ) (car li)))
+(define deuxieme (lambda ( li ) (cadr li)))
+(define troisieme (lambda (li) (caddr li)))
+
+;Exercice 11 :
+(define gagnant? (lambda (li) (and (xor(xor ( = (premier li ) 4) (= (deuxieme li) 4)) (= (troisieme li) 4))
+                                   (xor(xor ( = (premier li ) 2) (= (deuxieme li) 2)) (= (troisieme li) 2))
+                                   (xor(xor ( = (premier li ) 1) (= (deuxieme li) 1)) (= (troisieme li) 1)))))
+
+(define jouer (lambda ()
+                (gagnant? (make-lancer (+(random 5) 1) (+(random 5) 1) (+(random 5) 1)))))
+
+
+;Exercice 12 :
+(define jeux (lambda (n)
+               (if ( < 0 n)
+               ( cons (jeux (- n 1)) (jouer))
+               #f
+               )
+               ))
+  
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/fichiertd.rkt b/sem_4/progaapp/TP1/fichiertd.rkt
new file mode 100644
index 0000000..6d18283
--- /dev/null
+++ b/sem_4/progaapp/TP1/fichiertd.rkt
@@ -0,0 +1,3 @@
+#lang racket
+(define (puis2 x)(* x x))
+(define (puis4 x)(puis2 (puis2 x)))
diff --git a/sem_4/progaapp/TP1/lecomptestbon.bak b/sem_4/progaapp/TP1/lecomptestbon.bak
new file mode 100644
index 0000000..1ab23a7
--- /dev/null
+++ b/sem_4/progaapp/TP1/lecomptestbon.bak
@@ -0,0 +1,164 @@
+(define LVal '(1 2 3 4 5 6 7 8 9 10 25 50 75 100))
+(define Op '(+ * - /))
+
+(define make-cible (lambda () (+ 100 (random 900))))
+(define make-tirage (lambda ( ) (letrec ((f (lambda(x li)
+                                (if (not(= 6 x))
+                                    (f (+ x 1) (cons (letrec ((g (lambda (n liref)
+                                                  (if (= 0 n)
+                                                      (car liref)
+                                                      (g (- n 1) (cdr liref))
+                                                      )
+                                                  )
+                                                ))
+                                             (g (random 14) LVal))
+                                      li))
+                                      li
+                                    ))))
+                             ( f 0 '())
+                                    )
+  ))
+
+(define estDans? (lambda (x li)
+                   (letrec ((f (lambda ( x li)
+                               (if (not(null? li))
+                                   (if (= (car li) x)
+                                       #t
+                                       ( f x (cdr li))
+                                       )
+                                   #f)
+                               )
+                              ))
+                           (f x li)
+                     )
+                   )
+  )
+(define estValide? (lambda (a b op)
+                     (if (< 0 ((eval op) a b))
+                         (if (integer? ((eval op) a b))
+                             #t
+                             #f)
+                         #f)
+                     )
+  )
+(define opere (lambda (liop a b)
+                (letrec ((f (lambda (liop lires)
+                  (if (not(null? liop))
+                      (if (estValide? a b (car liop))
+                          (cons ((eval (car liop)) a b) (f (cdr liop) lires))
+                          (if (or (eqv?(car liop) (cadddr Op)) (eqv? (car liop) (caddr Op)))
+                              (if ( estValide? b a (car liop))
+                                  (cons ((eval (car liop)) b a) (f (cdr liop) lires))
+                                  (f (cdr liop) lires)
+                                  )
+                              (f (cdr liop) lires)
+                              )
+                          )
+                      lires))))
+                  (f Op '())
+                  )
+                )
+  )
+(define retire_a_b ( lambda (a b li)
+                            (letrec (( f (lambda (a b li)
+                              (if (not(null? li))
+                                  (if (= (car li) a)
+                                      (f 0 b (cdr li))
+                                      (if (= (car li) b)
+                                          (f a 0 (cdr li))
+                                          (cons (car li) (f a b (cdr li)))
+                                      ))
+                                   li
+                                  )
+                              )
+                      ))
+                              (f a b li)
+  )))
+
+                                             
+(define genere_plaques (lambda ( ope li)
+                         (letrec ((f (lambda(li1 lires)
+                                     (if (not(null? li1))
+                                         (begin(letrec ((g (lambda (li1 li2 lires)
+                                                       (if (not(null? li2))
+                                                          (begin (letrec ((h (lambda ( ope lires )
+                                                                        (if (not(null? ope))
+                                                                            (if (estValide? (car li1) (car li2) (car ope))
+                                                                                (h (cdr ope) (cons (cons ((eval (car ope))  (car li1) (car li2)) (retire_a_b (car li1)(car li2) li)) lires))
+                                                                                (if (estValide?  (car li2) (car li1) (car ope))
+                                                                                    (h (cdr ope) (cons (cons ((eval (car ope))  (car li2) (car li1)) (retire_a_b (car li1)(car li2) li)) lires))
+                                                                                    (h (cdr ope) lires)
+                                                                                    )
+                                                                                )
+                                                                            lires
+                                                                            )
+                                                                        )))
+                                                            (set! lires (h ope lires)))                                                                 
+                                                                 (g li1 (cdr li2) lires))
+                                                          lires
+                                                          )
+                                                       )
+                                                     ))
+                                           (set! lires (g li1 (cdr li1) lires))
+                                           )
+                                            (f (cdr li1) lires))
+                                         lires
+                                         )
+                                     )))
+                           (f li '())
+                           )
+                         )
+  )
+(define cherche_dans_li ( lambda (li cible)
+                           (letrec (( f (lambda (li)
+                                        (if (not(null? li))
+                                            (if (= (car li) cible)
+                                                #t
+                                                (f (cdr li)))
+                                            #f)
+                                        )))
+                             (f li))
+                           )
+  )
+
+                             
+(define ceb (lambda (ope plaques cible)
+              (letrec ((f(lambda(li old)
+                           (if (null? li)
+                               (and #t (display "Le compte n'est pas bon, au mieux :") (display old))
+                                  (if (list? (car li))
+                                      (begin(or(f (car li) old)(f (cdr li) old)))
+                                      (if (cherche_dans_li li cible)
+                                          (and #t (display "le compte est bon"))
+                                          (begin (set! old (approche li cible))
+                                                 (if (null? (cdr li ))
+                                              (f (cdr li) old)
+                                              (f (genere_plaques ope li) old)
+                                          ))
+                                          
+                                      )
+                                  )
+                                   )
+                               
+                             )))
+                           
+                (f plaques (car plaques))
+                
+              )))
+(define abso (lambda ( x)
+              (if (< x 0)
+                  (- x)
+                  x)))
+                               
+ (define approche ( lambda ( li cible)
+                     (letrec ((f (lambda ( li old)
+                                   (if (not(null? li))
+                                       (if (<(abso(- cible (car li)))(abso(- cible old)))
+                                           (f (cdr li) (car li))
+                                           (f (cdr li) old)
+                                           )
+                                       old)
+                                   )))
+                       (f li (car li)))))
+                                    
+                                        
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/tdp1.bak b/sem_4/progaapp/TP1/tdp1.bak
new file mode 100644
index 0000000..1e9e3cb
--- /dev/null
+++ b/sem_4/progaapp/TP1/tdp1.bak
@@ -0,0 +1,16 @@
+#lang racket
+(define x 5)
+(define (f x ) (* x x ))
+
+(define d 1)
+(define (plusd x) ( + x d))
+
+(set! d 5)
+
+(define (g x ) (+ 1 (h x)))
+(define (h x) (* x x))
+
+(define monabs ( lambda (x) (sqrt (* x x))))
+(define care-div ( lambda (x y) (if (not ( = 0 y)) (/ x y) ( display "Err div 0"))))
+(define exo9 (lambda (t) (if (and ( >= t -3) (<= t -1)) 1 (if (and (>= t 2) (<= t 4)) 2 0))))
+(define placement (lambda (x t y) (expt (+ x (* t x)) y )))
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/tortue.bak b/sem_4/progaapp/TP1/tortue.bak
new file mode 100644
index 0000000..3d35313
--- /dev/null
+++ b/sem_4/progaapp/TP1/tortue.bak
@@ -0,0 +1,5 @@
+#lang racket
+(require (lib "turtles.ss" "graphics"))
+(define carre (lambda (lgr) (begin (turtles #t) (draw lgr) (turn 90) (draw lgr) (turn 90 ) (draw lgr) (turn 90) (draw lgr))))
+(define hexagone ( lambda (lgr) (begin (turtles #t ) ( draw lgr )(turn 60) ( draw lgr )(turn 60)( draw lgr )(turn 60)( draw lgr )(turn 60)( draw lgr )(turn 60)( draw lgr )(turn 60))))
+(define figure ( lambda (n lgt) (let ( angle (/ 360 n)) (begin 
\ No newline at end of file
diff --git a/sem_4/progaapp/TP1/tortue.rkt b/sem_4/progaapp/TP1/tortue.rkt
new file mode 100644
index 0000000..bab2885
--- /dev/null
+++ b/sem_4/progaapp/TP1/tortue.rkt
@@ -0,0 +1,6 @@
+#lang racket
+(require (lib "turtles.ss" "graphics"))
+(define carre (lambda (lgr) (begin (turtles #t) (draw lgr) (turn 90) (draw lgr) (turn 90 ) (draw lgr) (turn 90) (draw lgr))))
+(define hexagone ( lambda (lgr) (begin (turtles #t ) ( draw lgr )(turn 60) ( draw lgr )(turn 60)( draw lgr )(turn 60)( draw lgr )(turn 60)( draw lgr )(turn 60)( draw lgr )(turn 60))))
+(define figure ( lambda (n lgt) (let (( angle (/ 360 n))) (letrec ((f (lambda(i) (if (not (= i 0)) (begin (draw lgt) (turn angle) (f (- i 1))) (turn ( / 360 (/ n 2)) ))))) (f n)
+                                                          ))))
diff --git a/sem_4/progaapp/TP1/tp1.rkt b/sem_4/progaapp/TP1/tp1.rkt
new file mode 100644
index 0000000..bb92134
--- /dev/null
+++ b/sem_4/progaapp/TP1/tp1.rkt
@@ -0,0 +1,111 @@
+;Gaspard Coulet, 21601609 Groupe B
+
+#lang racket
+(define exo9 (lambda (t) (if (and ( >= t -3) (<= t -1)) 1 (if (and (>= t 2) (<= t 4)) 2 0))))
+
+
+(define bissextile
+  (lambda (x)
+    ( if (= (modulo x 4) 0)
+         (if (not (= ( modulo x 100) 0))
+             #t
+             (if (= ( modulo x 400) 0)
+                 #t
+                 #f)
+            )
+         #f)
+    )
+  )
+
+(define nb-annee-bissextile
+  (lambda (x)
+    (letrec ( (f
+               (lambda (x i)
+                 (if (not (= x 1900))
+                     (if (bissextile x)
+                         (f (- x 1) (+ i 1))
+                         (f (- x 1) i)
+                         )
+                     i)
+                 )
+               ))
+             ( f x 0)
+      )
+    )
+  )
+
+(define nb-jours-au-1-jan
+  (lambda (x)
+    (letrec ((f
+              (lambda (x i)
+                (if (not(= x 1))
+                    (if (or (= 2 x) (= x 4) (= x 6) (= x 9) (= x 11))
+                        (if (= x 2)
+                            (f (- x 1) ( + i 28))
+                            (f (- x 1) (+ i 30))
+                            )
+                        (f (- x 1) (+ i 31))
+                        )
+                    ( + i 31)
+                    )
+                )
+              ))
+              (if (= 1 x)
+                  0
+                  ( f (- x 1) 0)
+                  )
+      )
+    )
+  )
+
+(define nb-jours (lambda (m d y)
+                   (let ((i (if (= y 1900)
+                                0
+                                (+ (* (nb-annee-bissextile y) 1) (* 365 (- y 1900)))
+                            )
+                        ))
+                        (let ((i (+ i (nb-jours-au-1-jan m))))
+                              (let ((i (+ i d)))
+                                (- i 1)
+                                )
+                          )
+                     )
+                   )
+  )
+
+(define jour-semaine (lambda (m d y)
+                       (let ((nbjour (nb-jours m d y)))
+                         (if (= (modulo nbjour 7) 0)
+                             (display "Lundi")
+                             (if (= (modulo nbjour 7) 1)
+                                 (display "Mardi")
+                                 (if (= (modulo nbjour 7) 2)
+                                     (display "Mercredi")
+                                     (if (= (modulo nbjour 7) 3)
+                                         (display "Jeudi")
+                                         (if (= (modulo nbjour 7) 4)
+                                             (display "Vendredi")
+                                             (if (= (modulo nbjour 7) 5)
+                                                 (display "Samedi")
+                                                 (if (= (modulo nbjour 7) 6)
+                                                     (display "Dimanche")
+                                                     (display "étrange")
+                                                     )
+                                                 
+                                                 )
+                                             )
+                                         )
+                                     )
+                                 )
+                             )
+                         )
+                       )
+  )
+
+;Question devoir TP1 :
+; Exercice 1 :
+;   (map exo9 '(-5 -4 -3 -2 -1 0 1 2 3 4 5))
+; Exercice 2 :
+;  (bissextile 1408)
+;  (bissextile 1500)
+;  (jour-semaine 1 13 2408)
diff --git a/sem_4/progaapp/TP1/tp2.rkt b/sem_4/progaapp/TP1/tp2.rkt
new file mode 100644
index 0000000..bdc8c5b
--- /dev/null
+++ b/sem_4/progaapp/TP1/tp2.rkt
@@ -0,0 +1,174 @@
+;Gaspard Coulet 21601609 Groupe B
+
+(define LVal '(1 2 3 4 5 6 7 8 9 10 25 50 75 100))
+(define Op '(+ * - /))
+
+(define make-cible (lambda () (+ 100 (random 900))))
+(define make-tirage (lambda ( ) (letrec ((f (lambda(x li)
+                                (if (not(= 6 x))
+                                    (f (+ x 1) (cons (letrec ((g (lambda (n liref)
+                                                  (if (= 0 n)
+                                                      (car liref)
+                                                      (g (- n 1) (cdr liref))
+                                                      )
+                                                  )
+                                                ))
+                                             (g (random 14) LVal))
+                                      li))
+                                      li
+                                    ))))
+                             ( f 0 '())
+                                    )
+  ))
+
+(define estDans? (lambda (x li)
+                   (letrec ((f (lambda ( x li)
+                               (if (not(null? li))
+                                   (if (= (car li) x)
+                                       #t
+                                       ( f x (cdr li))
+                                       )
+                                   #f)
+                               )
+                              ))
+                           (f x li)
+                     )
+                   )
+  )
+(define estValide? (lambda (a b op)
+                     (if (< 0 ((eval op) a b))
+                         (if (integer? ((eval op) a b))
+                             #t
+                             #f)
+                         #f)
+                     )
+  )
+(define opere (lambda (liop a b)
+                (letrec ((f (lambda (liop lires)
+                  (if (not(null? liop))
+                      (if (estValide? a b (car liop))
+                          (cons ((eval (car liop)) a b) (f (cdr liop) lires))
+                          (if (or (eqv?(car liop) (cadddr Op)) (eqv? (car liop) (caddr Op)))
+                              (if ( estValide? b a (car liop))
+                                  (cons ((eval (car liop)) b a) (f (cdr liop) lires))
+                                  (f (cdr liop) lires)
+                                  )
+                              (f (cdr liop) lires)
+                              )
+                          )
+                      lires))))
+                  (f Op '())
+                  )
+                )
+  )
+(define retire_a_b ( lambda (a b li)
+                            (letrec (( f (lambda (a b li)
+                              (if (not(null? li))
+                                  (if (= (car li) a)
+                                      (f 0 b (cdr li))
+                                      (if (= (car li) b)
+                                          (f a 0 (cdr li))
+                                          (cons (car li) (f a b (cdr li)))
+                                      ))
+                                   li
+                                  )
+                              )
+                      ))
+                              (f a b li)
+  )))
+
+                                             
+(define genere_plaques (lambda ( ope li)
+                         (letrec ((f (lambda(li1 lires)
+                                     (if (not(null? li1))
+                                         (begin(letrec ((g (lambda (li1 li2 lires)
+                                                       (if (not(null? li2))
+                                                          (begin (letrec ((h (lambda ( ope lires )
+                                                                        (if (not(null? ope))
+                                                                            (if (estValide? (car li1) (car li2) (car ope))
+                                                                                (h (cdr ope) (cons (cons ((eval (car ope))  (car li1) (car li2)) (retire_a_b (car li1)(car li2) li)) lires))
+                                                                                (if (estValide?  (car li2) (car li1) (car ope))
+                                                                                    (h (cdr ope) (cons (cons ((eval (car ope))  (car li2) (car li1)) (retire_a_b (car li1)(car li2) li)) lires))
+                                                                                    (h (cdr ope) lires)
+                                                                                    )
+                                                                                )
+                                                                            lires
+                                                                            )
+                                                                        )))
+                                                            (set! lires (h ope lires)))                                                                 
+                                                                 (g li1 (cdr li2) lires))
+                                                          lires
+                                                          )
+                                                       )
+                                                     ))
+                                           (set! lires (g li1 (cdr li1) lires))
+                                           )
+                                            (f (cdr li1) lires))
+                                         lires
+                                         )
+                                     )))
+                           (f li '())
+                           )
+                         )
+  )
+(define cherche_dans_li ( lambda (li cible)
+                           (letrec (( f (lambda (li)
+                                        (if (not(null? li))
+                                            (if (= (car li) cible)
+                                                #t
+                                                (f (cdr li)))
+                                            #f)
+                                        )))
+                             (f li))
+                           )
+  )
+
+                             
+(define ceb (lambda (ope plaques cible)
+              (letrec ((f(lambda(li old)
+                           (if (null? li)
+                               (and #t (display "Le compte n'est pas bon, au mieux :") (display old))
+                                  (if (list? (car li))
+                                      (begin(or(f (car li) old)(f (cdr li) old)))
+                                      (if (cherche_dans_li li cible)
+                                          (and #t (display "le compte est bon"))
+                                          (begin (set! old (approche li cible))
+                                                 (if (null? (cdr li ))
+                                              (f (cdr li) old)
+                                              (f (genere_plaques ope li) old)
+                                          ))
+                                          
+                                      )
+                                  )
+                                   )
+                               
+                             )))
+                           
+                (f plaques (car plaques))
+                
+              )))
+(define abso (lambda ( x)
+              (if (< x 0)
+                  (- x)
+                  x)))
+                               
+ (define approche ( lambda ( li cible)
+                     (letrec ((f (lambda ( li old)
+                                   (if (not(null? li))
+                                       (if (<(abso(- cible (car li)))(abso(- cible old)))
+                                           (f (cdr li) (car li))
+                                           (f (cdr li) old)
+                                           )
+                                       old)
+                                   )))
+                       (f li (car li)))))
+                                    
+
+; Exercice 3 :
+;   (make-tirage)
+; Exercice 4 :
+;   (ceb  Op '(9 100 75 3 8) 288)
+;
+;
+;
+;
\ No newline at end of file
diff --git a/sem_4/progaapp/exo.txt b/sem_4/progaapp/exo.txt
new file mode 100644
index 0000000..64b369a
--- /dev/null
+++ b/sem_4/progaapp/exo.txt
@@ -0,0 +1,67 @@
+INTRO

+Exercice 1 :

+#t

+#t

+6

+erreur

+

+Exercice 2 :

+(if (< 10 20) #t #f)

+equivalent a (< 10 20)

+

+Exercce 3 :

+2 -6 + 10 ==> (+ (- 2 6) 10) ==> 6

+2+5 * (-3 + 12) ==> (+ 2 (* 5 ( - 12 3 ))) ==> 47

+( 9/2) / (2/4) ==> (quotient (quotient 9 2) (quotient 2 4)) ==> quotient non defini pour 0

+

+Exercice 4 :

+#t

+#f j'aurais pu prevoir

+

+Exercice 5 :

+non (A et B) <=> non(A) ou non(B)

+(lois de morgan )

+

+Exercice 6 :

+

+Exercice 7 :

+Exercice 8 :

+

+Exercice 9 :

+

+Exercice 10 :

+>(expt 12345 12345)

+>A FINIR

+

+PARTIE 1 :

+

+Exercice 2 :

+Vraisemblablement cela devrait renvoyer 100, car le 10 masque l'ancienne valeurs de x dans le top-level

+Et effectivement.

+

+Exercice 3 :

+Rendra 11 : effectivement.

+

+Exercice 4

+DrRacket rale parce que d est deja defini, en remplacant le define par un set!, on obtient 15

+

+Exercice 5 :

+101, soit 10*10 + 1

+En inversant les definitions, cela fonctionne toujours

+

+Exercice 6 :

+1/3

+0.3333333

+1/3

+0.3333333

+1/2

+1 1/2

+

+

+Exercice 7 :

+

+Exercice 8 :

+

+Notes pour day :

+trouver un app qui associe au numero du mois le nombre de mois a 30 jours ecoulés depuis :

+ 1

diff --git a/sem_4/progaapp/td1.pdf b/sem_4/progaapp/td1.pdf
new file mode 100644
index 0000000..7242e6e
--- /dev/null
+++ b/sem_4/progaapp/td1.pdf
diff --git a/sem_4/progaapp/td2.pdf b/sem_4/progaapp/td2.pdf
new file mode 100644
index 0000000..42986d1
--- /dev/null
+++ b/sem_4/progaapp/td2.pdf
diff --git a/sem_4/progaapp/td3.pdf b/sem_4/progaapp/td3.pdf
new file mode 100644
index 0000000..633c005
--- /dev/null
+++ b/sem_4/progaapp/td3.pdf
diff --git a/sem_4/progaapp/td4.pdf b/sem_4/progaapp/td4.pdf
new file mode 100644
index 0000000..b1be561
--- /dev/null
+++ b/sem_4/progaapp/td4.pdf