What's the error in this program..i get student data and print maximum total marks

Question

#include<stdio.h>
#include<conio.h>
struct student
{ char name[20];
int rollno;
int mark[4];
int sum;
}s[100],a;
void main()
{

int i,j,k,n,s[i].sum=0;

printf("enter no of students");
scanf("%d",&n);
for(i=0;i<n;i++)
{ printf("enter name");
gets(s[i].name);
printf("enter roll no");
scanf("%d",s[i].rollno);
printf("enter marks");
for(j=0;j<4;j++)
{
scanf("%d",s[i].mark[j]);
}
printf("..................\n");
}
for(i=0;i<n;i++)
{
for(j=0;j<4;j++)
{s[i].sum=s[i].sum+s[i].mark[j];
}
}
for(i=0;i<n;i++)
{
for(j=i+1;j<n;i++)
{ if(s[i].sum<s[j].sum)
{ a=s[i];
s[i]=s[j];
s[j]=a;
}
}
}
printf("max mark is %d",s[0].sum);
getch();
}

Answer 1

If you need help, please post the code on code-bite. Then share it here..

Follow this post 👇👇 https://www.sololearn.com/post/75089/?ref=app
thank you