#include <stdio.h>
int N;
float array[3];
 
//declaration of structure
struct marks{
  char first_name[20];
  char second_name[20];
  float CSC_2100;
  float CSC_2101;
  float CSC_2102;
  float CSC_2103;
  float CSC_2104;
  };
struct marks student[5];
 // code to compute average
float find_average( float a, float b,float c,float d,float e){
	float average =  ((a+b+c+d+e)/5);
	return average;
	}
// to sort the average marks in descending order
void bubblesort(float a[], int N)
{
 int i, swapped = 1;
	 while(swapped)
	  for (swapped = 0, i = 1; i<N; i++)
		  if (a[i] > a[i-1]) {
			  int t = a[i-1];
			  a[i-1]=a[i];
			  a[i]=t;
      }
}
 
 
	int i;
main()
{
  printf("Enter marks for five students:\n\n");
  printf("Enter your marks as floats:");
  for (i = 0;i < 3; i++){
  printf("\n\n");
  printf("Enter your First name:");
  scanf("%s",&student[i].first_name);
  printf("Enter your Second Name:");
  scanf("%s",&student[i].second_name);
  printf("Enter marks for CSC 2100:");
  scanf("%f",&student[i].CSC_2100);
  printf("Enter marks for CSC 2101:");
  scanf("%f",&student[i].CSC_2101);
  printf("Enter marks for CSC 2102:");
  scanf("%f",&student[i].CSC_2102);
  printf("Enter marks for CSC 2103:");
  scanf("%f",&student[i].CSC_2103);
  printf("Enter marks for CSC 2104:");
  scanf("%f",&student[i].CSC_2104);
 
  }
  for (i =0; i<3; i++){
	 printf("\n\n");
	 printf("Name :\t%s %s",student[i].second_name,student[i].first_name);
	 printf("\nAverage:  %.2f\t",find_average(student[i].CSC_2100,student[i].CSC_2101,student[i].CSC_2102,student[i].CSC_2103,student[i].CSC_2104));
	 printf("\nRemark:\t");
	  }
	  for (i = 0; i<3;i++)
	  array[i]= find_average(student[i].CSC_2100,student[i].CSC_2101,student[i].CSC_2102,student[i].CSC_2103,student[i].CSC_2104);
	  for (i = 0; i<3;i++)
 
 
  bubblesort(array, N);
  printf("\n");
  for (i =0; i < 3; i++){
	printf("%.2f\t",array[i]);
	 if (array[i]<50)
	printf("Sorry try next year");
  else
	printf("congratulations, you passed!");
  printf("\n");
	  }
  return 0;
  }