0
#include<stdio.h>
int main()
{
int count,i,j,k,n,*a,sum=0;
printf("Enter the value of 'n':");
scanf("%d",&n);
a=malloc(n*sizeof(int));
for(i=1;i<=n;i++)
{
count=0;
j=1;
while(j<=i)
{
if(i%j==0 && i!=2)
count++;
j++;
}
if(count==2 count==1)
{
for(k=0;k<=n;k++)
a[k]=i;
}
}
for(k=0;k<=n;k=k+1)
printf("%d\t",a[k]);
for(k=0;k<=n;k=k+2)
sum+=a[k] * a[k];
printf("The sum of squares of alternative prime numbers is=%d",sum);
getchar();
return 0;
}
#include<stdio.h>
#include<conio.h>
void main()
{
int sum_sqr(int n);
clrscr();
printf("%d",sum_sqr(5));//Sum of first 5 natural numbers' square values
getch();
}
int sum_sqr(int n)
{
int i,sum=0;
for(i=1;i<=n;i++)
{
sum=sum+(i*i);
}
return sum;
}
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