Student Record using Structure

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 //PROGRAM TO IMPLEMENT A STUDENT RECORD USNIG STRUCTURES  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 struct student  
 {  
 char name[10],sub1[100],sub2[100],sub3[100];  
 int marks[3],total,rank;  
 float avg;  
 struct address  
 {  
 int houseno;  
 long int pcode,phno;  
 char city[10];  
 }addr;  
 }stu[10],temp;  
 void main()  
 {  
 int n,i,j;  
 char b;  
 clrscr();  
 printf("\n\nEnter Student Limit :\n\n");  
 scanf("%d",&n);  
 for(i=0;i<n;i++)  
 {  
 clrscr();  
 printf("\n\t\t\t\tStudent %d\n\n",i+1);  
 printf("\nEnter Student Name :");  
 scanf(" %s",stu[i].name);  
 printf("\nEnter House No :");  
 scanf("%d",&stu[i].addr.houseno);  
 printf("\nEnter City :");  
 scanf("%s",stu[i].addr.city);  
 printf("\nEnter Pincode :");  
 scanf("%ld",&stu[i].addr.pcode);  
 printf("\nEnter Phone No :");  
 scanf("%ld",&stu[i].addr.phno);  
 for(j=0;j<3;j++)  
 {  
 printf("\nEnter Mark Of Subject %d :",j+1);  
 scanf("%d",&stu[i].marks[j]);  
 stu[i].total=stu[i].total+stu[i].marks[j];  
 }  
 stu[i].avg=stu[i].total/3;  
 }  
 for(i=0;i<n;i++)  
 for(j=0;j<n-1;j++)  
      if(stu[j].total<stu[j+1].total)  
      {  
      temp=stu[j];  
      stu[j]=stu[j+1];  
      stu[j+1]=temp;  
      }  
 clrscr();  
 printf("\nRank | Name | H.No | City | P.Code | Ph.No | Mark1 | Mark2 | Mark 3 | Tot | Avg");  
 for(i=0;i<n;i++)  
 {  
 printf("\n\n%d",i+1);  
 printf("\t%s",stu[i].name);  
 printf("\t%d",stu[i].addr.houseno);  
 printf("\t%s",stu[i].addr.city);  
 printf("\t%ld",stu[i].addr.pcode);  
 printf("\t%ld",stu[i].addr.phno);  
 for(j=0;j<3;j++)  
 printf("\t%d ",stu[i].marks[j]);  
 printf("\t%d",stu[i].total);  
 printf(" %.1f",stu[i].avg);  
 }  
 getch();  
 }  
  /*  
 OUTPUT  
 Enter Student Limit : 2  
                     Student 1  
 Enter Student Name :Sandy  
 Enter House No :1  
 Enter City :Mount  
 Enter Pincode :6854  
 Enter Phone No :1498  
 Enter Mark Of Subject 1 :89  
 Enter Mark Of Subject 2 :86  
 Enter Mark Of Subject 3 :87  
                     Student 2  
 Enter Student Name :Steve  
 Enter House No :2  
 Enter City :Mount  
 Enter Pincode :6854  
 Enter Phone No :1306  
 Enter Mark Of Subject 1 :87  
 Enter Mark Of Subject 2 :86  
 Enter Mark Of Subject 3 :80  
 Rank | Name | H.No | City | P.Code | Ph.No | Mark1 | Mark2 | Mark 3 | Tot | Avg  
 1   Sandy  1   Mount  6854  1498   89    86   87   262 87.0  
 2   Steve  2   Mount  6854  1306   87    86   80   253 84.0  
 */