Program read 10 students data (roll, name,class and marks in 5 subjects) and display that using struct with percentage.

using codeblocks
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//Program read 10 students data (roll, name,class and marks in 5 subjects) and display that using //struct with percentage.                      //comment abt. program
#include <stdio.h>                                 //header file
struct data                                        //struct tag named data
{
    char name[80];                                //member1 of struct
    char address[80];                             //member2 of struct
    int roll;                                     //member3 of struct
    int english,maths,physics,chemistry,nepali,total;   //marks member declaration
    float percentage;                       //member for total and percentage

}access[100];                 //'access' is a variable to access members. This can hold maximum 100 members.it is called array of struct.
int main()
{
   int n,i;                                         //variable declaration
   printf("enter total value of n\n");
   scanf("%d",&n);                                  //accepts total value
   for(i=0;i<n;i++)
   {                                                 //execution of loop with inputs
    puts("enter roll number \n");
   scanf("%d",&access[i].roll);                      //gets data in different member
   puts("enter name \n");
   scanf("%s",access[i].name);                       //gets name
   puts("enter address \n");
   scanf("%s",access[i].address);                    //gets address
   printf("enter english marks\n");
   scanf("%d",&access[i].english);                  //gets respective marks
   printf("enter maths marks\n");
   scanf("%d",&access[i].maths);
   printf("enter Physics marks\n");
   scanf("%d",&access[i].physics);
   printf("enter chemistry marks\n");
   scanf("%d",&access[i].chemistry);
   printf("enter nepali marks\n");
   scanf("%d",&access[i].nepali);
   access[i].total=access[i].english+access[i].maths+access[i].physics+access[i].chemistry+access[i].nepali;/finds total and stores
      access[i].percentage=(float)access[i].total/5;               //finds percentage and stores in respective member
   }
   printf("entered data are\n");                  //loop execution to display data
   for(i=0;i<n;i++)
   {
   printf("roll=%d,name=%s,address=%s, english=%d,maths=%d,physics=%d,chemistry=%d,nepali=%d\n",access[i].roll,access[i].name,access[i].address,access[i].english
          ,access[i].maths,access[i].physics,access[i].chemistry,access[i].nepali);
   }                                                //displays data

   printf(" data with total and percentage are\n");     // displays data with total and percentage
  for(i=0;i<n;i++)
   {
   printf("roll=%d,name=%s,address=%s, english=%d,maths=%d,physics=%d,chemistry=%d,nepali=%d, total=%d,percentage=%f\n",access[i].roll,access[i].name,access[i].address,access[i].english
          ,access[i].maths,access[i].physics,access[i].chemistry,access[i].nepali,access[i].total,access[i].percentage);
   }
    return 0;

}

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using turbo c++

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// program to enter detail of some  students       //comment abt. program

#include <stdio.h>                                 //header file

#include<conio.h>

struct data                                        //struct tag named data

{

    char name[80];                                //member1 of struct

    char address[80];                             //member2 of struct

    int roll;                                     //member3 of struct

    int english,maths,physics,chemistry,nepali,total;   //marks member declaration

    float percentage;                       //member for total and percentage

}access[100];                 //'access' is a variable to access members. This can hold maximum 100 members.it is called array of struct.

int main()

{

   int n,i;                                         //variable declaration

   printf("enter total value of n\n");

   scanf("%d",&n);                                  //accepts total value

   for(i=0;i<n;i++)

   {                                                 //execution of loop with inputs

    puts("enter roll number \n");

   scanf("%d",&access[i].roll);                      //gets data in different member

   puts("enter name \n");

   scanf("%s",access[i].name);                       //gets name

   puts("enter address \n");

   scanf("%s",access[i].address);                    //gets address

   printf("enter english marks\n");

   scanf("%d",&access[i].english);                  //gets respective marks

   printf("enter maths marks\n");

   scanf("%d",&access[i].maths);

   printf("enter Physics marks\n");

   scanf("%d",&access[i].physics);

   printf("enter chemistry marks\n");

   scanf("%d",&access[i].chemistry);

   printf("enter nepali marks\n");

   scanf("%d",&access[i].nepali);

   access[i].total=access[i].english+access[i].maths+access[i].physics+access[i].chemistry+access[i].nepali;/finds total and stores

      access[i].percentage=(float)access[i].total/5;               //finds percentage and stores in respective member

   }

   printf("entered data are\n");                  //loop execution to display data

   for(i=0;i<n;i++)

   {

   printf("roll=%d,name=%s,address=%s, english=%d,maths=%d,physics=%d,chemistry=%d,nepali=%d\n",access[i].roll,access[i].name,access[i].address,access[i].english

          ,access[i].maths,access[i].physics,access[i].chemistry,access[i].nepali);

   }                                                //displays data

   printf(" data with total and percentage are\n");     // displays data with total and percentage

  for(i=0;i<n;i++)

   {

   printf("roll=%d,name=%s,address=%s, english=%d,maths=%d,physics=%d,chemistry=%d,nepali=%d, total=%d,percentage=%f\n",access[i].roll,access[i].name,access[i].address,access[i].english

          ,access[i].maths,access[i].physics,access[i].chemistry,access[i].nepali,access[i].total,access[i].percentage);

   }

   getch();                              //holds the output.

    return 0;

}