#include <stdio.h>
 
int main()
{
    int number_of_students;
    printf("Enter number of students: ");
    scanf("%d",&number_of_students);
 
    char student_name[number_of_students][50];
    int i,j;
 
    for(i=0; i<number_of_students; i++)
    {
        printf("Student %d name: ",i);
        fflush(stdin);
        gets(student_name[i]);
    }
 
    for(i=0; i<number_of_students; i++)
    {
        printf("Student %d name: ",i);
        puts(student_name[i]);
    }
 
    int number_of_courses;
    printf("Enter number of courses: ");
    scanf("%d",&number_of_courses);
 
    double marks[number_of_students][number_of_courses];
 
    for(i=0;i<number_of_students;i++) {
        printf("Marks of %s: \n",student_name[i]);
        for(j=0;j<number_of_courses;j++) {
            printf("\t->Mark of course %d: ", j);
            scanf("%d",&marks[i][j]);
        }
    }
 
    double average[number_of_students];
 
    for(i=0;i<number_of_students;i++) {
 
            printf("average[%d] = %d\n",i,average[i]);
        for(j=0;j<number_of_courses;j++) {
                average[i] += marks[i][j];
            printf("\t-->average[%d] = %d\n",i,average[i]);
 
        }
    }
    printf("average[] = %d\n",average[0]);
 
    for(i=0;i<number_of_students;i++) {
        printf("Average mark of %s: %0.2lf\n",student_name[i],average[i]);
    }
    return 0;
}
 

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4
Sanzida
Tisa
Ety
Sifat
5
90
70
35
45
80
60
80
95
35
45
60
50
75
25
50
60
30
65
75
80