Question

program to accept roll number and marks in 5 different subjects in array in c++.Print roll and marks scored

Answer 1

C Program to create Student Structure and accept name, roll no and marks of 3 subjects and print in descending order.

*/

#include<stdio.h>

#include<conio.h>

struct student

{

char name[30];

int rollno;

int sub[3];

int total;

};

void main()

{

int i, n, j;

struct student st[20], temp;

clrscr();

printf("Enter number of students data you want to enter:\n");

scanf("%d",&n);

for(i=0;i < n;i++)

{

 printf("Enter name of student %d\n",(i+1));

 scanf("%s",&st[i].name);

 printf("Enter Roll No of student %d\n",(i+1));

 scanf("%d",&st[i].rollno);

 printf("Enter marks for 3 subjects of student %d\n",(i+1));

 scanf("%d%d%d",&st[i].sub[0],&st[i].sub[1],&st[i].sub[2]);

 st[i].total = (st[i].sub[0]+st[i].sub[1]+st[i].sub[2]);

 printf("Total Marks of %d student = %d\n",(i+1), st[i].total);

}

for(i=0;i < (n-1);i++)

{

 for(j=0;j < (n-i-1);j++)

 {

  if(st[j].total < st[j+1].total)

  {

   temp = st[j];

   st[j] = st[j+1];

   st[j+1] = temp;

  }

 }

}

printf("\n\n\n\t\t******Sorted in descending order******");

for(i=0; i < n;i++)

{

 printf("\nName of student: %s",st[i].name);

 printf("\nRoll No of student: %d",st[i].rollno);

 printf("\nTotal of student: %d\n",st[i].total);

}

getch();

}