// viet ham ktra so chinh phuong#include #include #include int ktra_chphuongint i, int j; int ktra_chphuongint i, int j { forj=1;j.
Trang 1// viet ham ktra so chinh phuong
#include<stdio.h>
#include<conio.h>
#include<math.h>
int ktra_chphuong(int i, int j);
int ktra_chphuong(int i, int j)
{
for(j=1;j<i;j++){
if(j==sqrt(i))
return 1;
}
}
int main()
{
int n,i,j;
do
{
printf("Nhap n = "); scanf("%d",&n); }
while (n<1 || n>999);
printf("Cac so chinh phuong tu 1 den %d la:",n); for (i=1;i<=n;i++){
if (ktra_chphuong(i,j)==1)
printf (" %d",i);
}
return 0;
}