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Yanis DARIUS 2024-09-03 12:18:08 +02:00
parent ca552281c9
commit 1043182b8b
3 changed files with 54 additions and 56 deletions
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student_rank.c
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@ -6,120 +6,118 @@
#include "heapsort.h"
#include "bubblesort.h"
void generate_grades(int** students_array, int students_number, int grades_number)
void generate_grades(int **students_array, int students_number, int grades_number)
{
int i = 0;
for(i=0;i<students_number;i++)
for (i = 0; i < students_number; i++)
{
students_array[i] = (int*) malloc(grades_number*sizeof(int));
generate_array(students_array[i],grades_number);
students_array[i] = (int *)malloc(grades_number * sizeof(int));
generate_array(students_array[i], grades_number);
}
}
void generate_ranks(int** students_array, int students_number, int grades_number)
void generate_ranks(int **students_array, int students_number, int grades_number)
{
int i = 0;
int j = 0;
for(i=0;i<students_number;i++)
for (i = 0; i < students_number; i++)
{
students_array[i] = (int*) malloc(grades_number*sizeof(int));
for(j=0;j<grades_number;j++)
{
students_array[i] = (int *)malloc(grades_number * sizeof(int));
for (j = 0; j < grades_number; j++)
{
students_array[i][j] = -1;
}
}
}
}
void free_array(int** students_array, int students_number)
void free_array(int **students_array, int students_number)
{
int i = 0;
for(i=0;i<students_number;i++)
for (i = 0; i < students_number; i++)
{
free(students_array[i]);
}
}
void print_student_array(int** students_array, int students_number, int grades_number)
void print_student_array(int **students_array, int students_number, int grades_number)
{
int i = 0;
printf("----------------------\n");
for(i=0;i<students_number;i++)
for (i = 0; i < students_number; i++)
{
printf("Student %d : ",i);
print_array(students_array[i],grades_number);
printf("Student %d : ", i);
print_array(students_array[i], grades_number);
}
printf("----------------------\n");
}
int find_rank_student(int student_grade, int* grades_array, int students_number)
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--)
for (i = students_number - 1; i >= 0; i--)
{
if(grades_array[i] == student_grade)
{
position = students_number-i;
break;
}
if (grades_array[i] == student_grade)
{
position = students_number - i;
break;
}
}
return position;
}
void sort_students(int** students_rank, int** students_array, int students_number, int grades_number)
void sort_students(int **students_rank, int **students_array, int students_number, int grades_number)
{
int i = 0, j = 0;
for(i = 0; i < grades_number; i++)
for (i = 0; i < grades_number; i++)
{
int * grades = (int*) malloc(students_number*sizeof(int));
for(j = 0; j < students_number; j++)
{
grades[j] = students_array[j][i];
}
bubblesort(grades,students_number);
for(j = 0; j < students_number; j++)
{
students_rank[j][i] = find_rank_student(students_array[j][i],grades,students_number);
}
free(grades);
int *grades = (int *)malloc(students_number * sizeof(int));
for (j = 0; j < students_number; j++)
{
grades[j] = students_array[j][i];
}
bubblesort(grades, students_number);
for (j = 0; j < students_number; j++)
{
students_rank[j][i] = find_rank_student(students_array[j][i], grades, students_number);
}
free(grades);
}
}
int main(int argc, char** argv)
int main(int argc, char **argv)
{
int** student_grades = NULL;
int** student_ranks = NULL;
int **student_grades = NULL;
int **student_ranks = NULL;
int students_length = 0;
int grades_length = 0;
int debug_mode = 0;
if(argc != 4)
if (argc != 4)
{
printf("Usage : %s <number of student> <number of grade per student> <debug mode : 0|1>\n",argv[0]);
printf("Usage : %s <number of student> <number of grade per student> <debug mode : 0|1>\n", argv[0]);
return -1;
}
students_length = atoi(argv[1]);
grades_length = atoi(argv[2]);
debug_mode = atoi(argv[3]);
student_grades = (int**) malloc(students_length*sizeof(int*));
student_ranks = (int**) malloc(students_length*sizeof(int*));
generate_grades(student_grades,students_length,grades_length);
generate_ranks(student_ranks,students_length,grades_length);
student_grades = (int **)malloc(students_length * sizeof(int *));
student_ranks = (int **)malloc(students_length * sizeof(int *));
generate_grades(student_grades, students_length, grades_length);
generate_ranks(student_ranks, students_length, grades_length);
sort_students(student_ranks,student_grades,students_length,grades_length);
sort_students(student_ranks, student_grades, students_length, grades_length);
if(debug_mode)
if (debug_mode)
{
print_student_array(student_grades,students_length,grades_length);
print_student_array(student_ranks,students_length,grades_length);
print_student_array(student_grades, students_length, grades_length);
print_student_array(student_ranks, students_length, grades_length);
}
free_array(student_grades,students_length);
free_array(student_ranks,students_length);
free_array(student_grades, students_length);
free_array(student_ranks, students_length);
free(student_grades);
free(student_ranks);
return 0;
}