#include<stdio.h>
struct Student{
    int id;
    char name[50];
    char session[50];
    float marks;
};
int main()
{
    int i,j;
    struct Student temp;
    struct Student s[10];

    for(i=0;i<10;i++){
        printf("Enter Data for Student %d:\n",i+1);
        scanf("%d%s%s%f",&s[i].id,&s[i].name,&s[i].session,&s[i].marks);
    }
    for(i=0;i<9;i++){
        for(j=0;j<9;j++){
            if(s[j].marks<s[j+1].marks){
                temp = s[j];
                s[j] = s[j+1];
                s[j+1] = temp;
            }
        }
    }
    printf("\n");
    printf("\n");
    printf("---------------------------\n");
    printf("---------------------------\n");
    for(i=0;i<10;i++){
        printf("Data for Student %d:\n",i+1);
        printf("Id:%d\n",s[i].id);
        printf("Name:%s\n",s[i].name);
        printf("Session:%s\n",s[i].session);
        printf("Marks:%.2f\n",s[i].marks);
    }


    return 0;
}