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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int number_of_students;
  6.     printf("Enter number of students: ");
  7.     scanf("%d",&number_of_students);
  8.  
  9.     char student_name[number_of_students][50];
  10.     int i,j;
  11.  
  12.     for(i=0; i<number_of_students; i++)
  13.     {
  14.         printf("Student %d name: ",i);
  15.         fflush(stdin);
  16.         gets(student_name[i]);
  17.     }
  18.  
  19.     for(i=0; i<number_of_students; i++)
  20.     {
  21.         printf("Student %d name: ",i);
  22.         puts(student_name[i]);
  23.     }
  24.  
  25.     int number_of_courses;
  26.     printf("Enter number of courses: ");
  27.     scanf("%d",&number_of_courses);
  28.  
  29.     double marks[number_of_students][number_of_courses];
  30.  
  31.     for(i=0;i<number_of_students;i++) {
  32.         printf("Marks of %s: \n",student_name[i]);
  33.         for(j=0;j<number_of_courses;j++) {
  34.             printf("\t->Mark of course %d: ", j);
  35.             scanf("%d",&marks[i][j]);
  36.         }
  37.     }
  38.  
  39.     double average[number_of_students];
  40.  
  41.     for(i=0;i<number_of_students;i++) {
  42.  
  43.             printf("average[%d] = %d\n",i,average[i]);
  44.         for(j=0;j<number_of_courses;j++) {
  45.                 average[i] += marks[i][j];
  46.             printf("\t-->average[%d] = %d\n",i,average[i]);
  47.  
  48.         }
  49.     }
  50.     printf("average[] = %d\n",average[0]);
  51.  
  52.     for(i=0;i<number_of_students;i++) {
  53.         printf("Average mark of %s: %0.2lf\n",student_name[i],average[i]);
  54.     }
  55.     return 0;
  56. }
  57.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin
copy 
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
stdout
copy 
Enter number of students: Student 0 name: Student 1 name: Student 2 name: Student 3 name: Student 0 name: 
Student 1 name: Sanzida
Student 2 name: Tisa
Student 3 name: Ety
Enter number of courses: Marks of : 
Marks of Sanzida: 
Marks of Tisa: 
Marks of Ety: 
average[0] = 4
average[1] = 0
average[2] = 0
average[3] = 0
average[] = 0
Average mark of : 0.00
Average mark of Sanzida: 0.00
Average mark of Tisa: 0.00
Average mark of Ety: 0.00
https://ideone.com/ddvtUb
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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