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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. void print_table(int row, int col, double marks[row][col])
  5. {
  6.     int i,j;
  7.     for(i=0; i<row; i++)
  8.     {
  9.         for(j=0; j<col; j++)
  10.         {
  11.             printf("%02.1lf ",marks[i][j]);
  12.         }
  13.         printf("\n");
  14.     }
  15. }
  16.  
  17.  
  18.  
  19. int main()
  20. {
  21.     int number_of_students;
  22.     printf("Enter number of students: ");
  23.     scanf("%d",&number_of_students);
  24.  
  25.     char student_name[number_of_students][50];
  26.     int i,j;
  27.  
  28.     for(i=0; i<number_of_students; i++)
  29.     {
  30.         printf("Student %d name: ",i);
  31.         fflush(stdin);
  32.         gets(student_name[i]);
  33.     }
  34.  
  35.     for(i=0; i<number_of_students; i++)
  36.     {
  37.         printf("Student %d name: ",i);
  38.         puts(student_name[i]);
  39.     }
  40.  
  41.     int number_of_courses;
  42.     printf("Enter number of courses: ");
  43.     scanf("%d",&number_of_courses);
  44.  
  45.     double marks[number_of_students][number_of_courses];
  46.  
  47.     for(i=0; i<number_of_students; i++)
  48.     {
  49.         printf("Marks of %s: \n",student_name[i]);
  50.         for(j=0; j<number_of_courses; j++)
  51.         {
  52.             printf("\t->Mark of course %d: ", j);
  53.             scanf("%lf",&marks[i][j]);
  54.         }
  55.     }
  56.  
  57.     /// Average mark of each student
  58.     double total_mark[number_of_students];
  59.  
  60.     for(i=0; i<number_of_students; i++)
  61.     {
  62.         total_mark[i] = 0;
  63.         for(j=0; j<number_of_courses; j++)
  64.         {
  65.             total_mark[i] += marks[i][j];
  66.         }
  67.         printf("Average mark of %s is %0.2lf\n",student_name[i],total_mark[i]/number_of_courses);
  68.     }
  69.  
  70.     system("cls");
  71.     print_table(number_of_students,number_of_courses,marks);
  72.  
  73.  
  74.     /// highest mark of each student
  75.     double highest_student_mark[number_of_students];
  76.     for(i=0; i<number_of_students; i++)
  77.     {
  78.         highest_student_mark[i] = marks[i][0];
  79.         for(j=0; j<number_of_courses; j++)
  80.         {
  81.             if(highest_student_mark[i] < marks[i][j])
  82.             {
  83.                 highest_student_mark[i] = marks[i][j];
  84.             }
  85.         }
  86.         printf("Highest mark of %s is %0.2lf\n",student_name[i],highest_student_mark[i]);
  87.     }
  88.  
  89.     /// HIGHEST NUMBER OF EACH COURSE
  90.     double highest_course_mark[number_of_students];
  91.     for(i=0; i<number_of_courses; i++)
  92.     {
  93.         highest_course_mark[i] = -1;
  94.         for(j=0; j<number_of_students; j++)
  95.         {
  96.             if(highest_course_mark[i] < marks[j][i])
  97.             {
  98.                 highest_course_mark[i] = marks[j][i];
  99.             }
  100.         }
  101.         printf("\nHighest mark of course %d is %0.2lf\n",i,highest_course_mark[i]);
  102.     }
  103.     /// subject grade of each student
  104.  
  105.     return 0;
  106. }
  107.  
Success #stdin #stdout #stderr 0.01s 5308KB
comments (?)
stdin 
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 
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 mark of  is -nan
Average mark of Sanzida is -nan
Average mark of Tisa is -nan
Average mark of Ety is -nan




Highest mark of  is 0.00
Highest mark of Sanzida is 0.00
Highest mark of Tisa is 0.00
Highest mark of Ety is 0.00
stderr 
sh: 1: cls: not found
https://ideone.com/LbK2XJ
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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