text: //Wap to check that a digit no. Is a perfect square or not
  #include<stdio.h>
  #include<math.h>
  int main()
  {
  int no;
  printf("Enter the no.\n");
  scanf("%d",& no);
  int k = sqrt(no);
  if(no==k*k)
  printf("no. is perfect square\n");
  else
  printf("no. is not a perfect square\n");
  }
  