SORTING STRUCT

#include<stdio.h>
struct student
{
  char n[50];
  int m,r;
};
int main()
{
  int i,j;
  struct student s[10];
  printf("Enter details of 3 students: \n");
  for(i=0;i<3;++i)
  {
    scanf("%d %s %d",&s[i].r,s[i].n,&s[i].m);
  }
  printf("Roll wise sorted list: \n");
  for(i=0;i<2;++i)
  {
    for(j=i+1;j<3;++j)
    {
      if(s[i].r>s[j].r)
      {
    struct student t=s[i];
    s[i]=s[j];
    s[j]=t;
      }
    }
  }
  printf("Roll\tName\tMarks\n");
  printf("____\t____\t_____\n");
  for(i=0;i<3;++i)
    printf("%d\t%s\t%d\n",s[i].r,s[i].n,s[i].m);
}

/*I/O

Enter details of 3 students:
5
Foo
67
1
Bar
80
8
Baz
88
Roll wise sorted list:
Roll    Name    Marks
____    ____    _____
1       Bar     80
5       Foo     67
8       Baz     88
*/