Answer Posted / ramanareddy

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
printf("enter the two numbers");
scanf("%d %d",%a,&b);
c=(-(-a-b));
printf("sum is = %d",c");
getch();
}

design and implement a data structure and performs the following operation with the help of file (included 1000 student marks in 5 sub. and %also) 1.how many students are fail in all 5 subjects (if >35) 2. delete all student data those are fail in all 5 subjects. 3. update the grace marks (5 no. if exam paper is 100 marks) 4. arrange the student data in ascending order basis of marks. 5.insert double of deleted students with marks in the list.

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