From 71b9841e8826e36573c60b7abad2391f6bd89432 Mon Sep 17 00:00:00 2001
From: mommeja <mommeja@localhost>
Date: Wed, 10 Sep 2025 16:27:36 +0200
Subject: [PATCH] 	new file:   "R\303\251sultat.txt" 	modified:  
 bubblesort.c 	new file:   gmon.out 	modified:   student_rank.c

---
 Résultat.txt   |  53 +++++++++++++++++++++++++++++++++++++++++++++++++
 bubblesort.c   |   2 +-
 gmon.out       | Bin 0 -> 3820 bytes
 student_rank   | Bin 0 -> 21792 bytes
 student_rank.c |   1 -
 5 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 Résultat.txt
 create mode 100644 gmon.out
 create mode 100755 student_rank

diff --git a/Résultat.txt b/Résultat.txt
new file mode 100644
index 0000000..069614a
--- /dev/null
+++ b/Résultat.txt
@@ -0,0 +1,53 @@
+J'ai essayé avec 100000 étudiant et 10000 notes sans debug, ça prend beacoup de temps
+Ensuite avec 1000 étudiant et 1000 notes, ça prend environ 3 secondes.
+Puis avec 5 fois plus d'étudiant, ça prend 1 minutes et 18 secondes.
+
+Avec 1000 étudiants et 1000 notes sans debug on utilise gprof pour le profiling.
+On peut voir que les fonctions qui prennent le plus de temps sont find_rank_student et bubblesort avec bubblesort qui prend 81.43 % du temps d'exécution.
+
+ %   cumulative   self              self     total           
+ time   seconds   seconds    calls   s/call   s/call  name    
+ 81.43      2.39     2.39  1001000     0.00     0.00  bubblesort
+ 18.40      2.93     0.54  1000000     0.00     0.00  find_rank_student
+  0.34      2.94     0.01        1     0.01     2.94  sort_students
+  0.00      2.94     0.00     1000     0.00     0.00  generate_array
+  0.00      2.94     0.00        2     0.00     0.00  free_array
+  0.00      2.94     0.00        1     0.00     0.00  generate_grades
+  0.00      2.94     0.00        1     0.00     0.00  generate_ranks
+
+index % time    self  children    called     name
+                0.01    2.93       1/1           main [2]
+[1]    100.0    0.01    2.93       1         sort_students [1]
+                0.54    2.39 1000000/1000000     find_rank_student [3]
+                0.00    0.00    1000/1001000     bubblesort [4]
+-----------------------------------------------
+                                                 <spontaneous>
+[2]    100.0    0.00    2.94                 main [2]
+                0.01    2.93       1/1           sort_students [1]
+                0.00    0.00       2/2           free_array [6]
+                0.00    0.00       1/1           generate_grades [7]
+                0.00    0.00       1/1           generate_ranks [8]
+-----------------------------------------------
+                0.54    2.39 1000000/1000000     sort_students [1]
+[3]     99.6    0.54    2.39 1000000         find_rank_student [3]
+                2.39    0.00 1000000/1001000     bubblesort [4]
+-----------------------------------------------
+                0.00    0.00    1000/1001000     sort_students [1]
+                2.39    0.00 1000000/1001000     find_rank_student [3]
+[4]     81.3    2.39    0.00 1001000         bubblesort [4]
+-----------------------------------------------
+                0.00    0.00    1000/1000        generate_grades [7]
+[5]      0.0    0.00    0.00    1000         generate_array [5]
+-----------------------------------------------
+                0.00    0.00       2/2           main [2]
+[6]      0.0    0.00    0.00       2         free_array [6]
+-----------------------------------------------
+                0.00    0.00       1/1           main [2]
+[7]      0.0    0.00    0.00       1         generate_grades [7]
+                0.00    0.00    1000/1000        generate_array [5]
+-----------------------------------------------
+                0.00    0.00       1/1           main [2]
+[8]      0.0    0.00    0.00       1         generate_ranks [8]
+-----------------------------------------------
+
+Il faut supprimer le bubblesort qui est dans la fonction find_rank_student pour gagner du temps sauf qu'on ne gagne pas assez de temps pour passer en dessous d'une secondes.
\ No newline at end of file
diff --git a/bubblesort.c b/bubblesort.c
index a848827..7961fe4 100644
--- a/bubblesort.c
+++ b/bubblesort.c
@@ -14,7 +14,7 @@ void bubblesort(int* array, int length)
 				tmp = array[i-1];
 				array[i-1] = array[i];
 				array[i] = tmp;
-				swapped++;
+				swapped = 1;
 			}
 		}
 	} while(swapped==1);
diff --git a/gmon.out b/gmon.out
new file mode 100644
index 0000000000000000000000000000000000000000..002973fc1bc96d569e8908f4341e6ee1ac840bae
GIT binary patch
literal 3820
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z5Eu=C(GVC7fzc2c4S~@R7~CPi*dPRP;7dse4WbwYL?E1OaR_b1z`(%hAPV7hNkM3K
zkl+HSpaWFLdXV4&F^CFvsM(-iCgTOD;6`M@2T;LfQ0-uq3{YFw3qy<n3kqNpRDcS`
KAgeUMA_xFDp%d2t

literal 0
HcmV?d00001

diff --git a/student_rank b/student_rank
new file mode 100755
index 0000000000000000000000000000000000000000..e6de7eb5eaa11b655e675be7a60e90d1a924023a
GIT binary patch
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diff --git a/student_rank.c b/student_rank.c
index af84003..c6dc75a 100644
--- a/student_rank.c
+++ b/student_rank.c
@@ -55,7 +55,6 @@ int find_rank_student(int student_grade, int* grades_array, int students_number)
 {
     int position = -1;
     int i = 0;
-    bubblesort(grades_array,students_number);
     for(i = students_number-1; i >= 0; i--)
     {
         if(grades_array[i] == student_grade)