Monday, July 31, 2017

Application of struct in C

#include<stdio.h>
#include<string.h>
struct student
{
    char name[20];
    int roll;
};
void main()
{
  struct student s[10],t;
  int i,n,j;
  printf("Enter no. of students : ");
  scanf("%d",&n);
  for(i=0;i<n;i++)
  {
      printf("Enter %dth student's name and roll : ",i+1);
      scanf("%s%d",s[i].name,&s[i].roll);
  }
  for(i=0;i<=n-2;i++)
  {
      for(j=i+1;j<=n-1;j++)
      {
          if(strcmp(s[i].name,s[j].name)>0)
          {
              t=s[i];
              s[i]=s[j];
              s[j]=t;
          }
      }
  }
  printf("\nName sorted in alphabetical order is : ");
  printf("\nName\tRoll No.");
  for(i=0;i<n;i++)
  {
      printf("\n%s\t%d",s[i].name,s[i].roll);
  }
  getch();
}

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