Ans.
struct student
{
char
name[25];
int roll_no;
int
t1s1,t1s2,t1s3,t1s4,t1s5, t2s1,t2s2,t2s3,t2s4,t2s5, t3s1,t3s2,t1s3,t3s4,t3s5;
int
t4s1,t4s2,t4s3,t4s4,t4s5;
float
per;
}std[20];
void
main()
{
int
i;
for(i=0;i<=20;i++)
{
printf(“enter
name of student %d”,(i+1));
gets(std[i].name);
printf(“enter
roll no of student %d”,(i+1));
scanf(“%d”,&std[i].roll_no);
printf(“enter
marks of student %d of term 1”,(i+1));
scanf(“%d”,&std[i].t1s1);
scanf(“%d”,&std[i].t1s2);
scanf(“%d”,&std[i].t1s3);
scanf(“%d”,&std[i].t1s4);
scanf(“%d”,&std[i].t1s5);
printf(“enter
marks of student %d of term 2”,(i+1));
scanf(“%d”,&std[i].t2s1);
scanf(“%d”,&std[i].t2s2);
scanf(“%d”,&std[i].t2s3);
scanf(“%d”,&std[i].t2s4);
scanf(“%d”,&std[i].t2s5);
printf(“enter
marks of student %d of term 3”,(i+1));
scanf(“%d”,&std[i].t3s1);
scanf(“%d”,&std[i].t3s2);
scanf(“%d”,&std[i].t3s3);
scanf(“%d”,&std[i].t3s4);
scanf(“%d”,&std[i].t3s5);
printf(“enter
marks of student %d of term 4”,(i+1));
scanf(“%d”,&std[i].t4s1);
scanf(“%d”,&std[i].t4s2);
scanf(“%d”,&std[i].t4s3);
scanf(“%d”,&std[i].t4s4);
scanf(“%d”,&std[i].t4s5);
pert1= (std[i].t1s1+ std[i].t1s2+ std[i].t1s3+ std[i].t1s4+ std[i].t1s5)/500;
pert2= (std[i].t2s1+ std[i].t2s2+ std[i].t2s3+ std[i].t2s4+ std[i].t2s5)/500;
pert3= (std[i].t3s1+ std[i].t3s2+ std[i].t3s3+ std[i].t3s4+ std[i].t3s5)/500;
pert4=( std[i].t4s1+ std[i].t4s2+ std[i].t4s3+ std[i].t4s4+ std[i].t4s5)/500;
for(i=0;i<20;i++)
{
printf(“\n
Name of student \t”,(i+1));
puts(std[i].name);
printf(“\n
Roll no:%d”,std[i].roll_no);
printf(“\n
term 1”);
printf(“English:
%d”, std[i].t1s1);
printf(“Hindi:
%d”, std[i].t1s2);
printf(“
Maths: %d”, std[i].t1s3);
printf(“Science:%d”,
std[i].t1s4);
printf(“Social
Science:%d”, std[i].t1s5);
printf(“ percentage : %f”,pert1);
printf(“\n
term 2”);
printf(“English:
%d”, std[i].t1s1);
printf(“Hindi:
%d”, std[i].t1s2);
printf(“
Maths: %d”, std[i].t1s3);
printf(“Science:%d”, std[i].t1s4);
printf(“Social
Science:%d”, std[i].t1s5);
printf(“
percentage : %f”,pert1);
printf(“\n
term 3”);
printf(“English:
%d”, std[i].t1s1);
printf(“Hindi:
%d”, std[i].t1s2);
printf(“
Maths: %d”, std[i].t1s3);
printf(“Science:%d”,
std[i].t1s4);
printf(“Social
Science:%d”, std[i].t1s5);
printf(“ percentage : %f”,pert1);
printf(“\n
term 4”);
printf(“English:
%d”, std[i].t1s1);
printf(“Hindi:
%d”, std[i].t1s2);
printf(“
Maths: %d”, std[i].t1s3);
printf(“Science:%d”,
std[i].t1s4);
printf(“Social
Science:%d”, std[i].t1s5);
printf(“ percentage : %f”,pert1);
}
}
}
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