47 lines
736 B
C
47 lines
736 B
C
|
/* Square number - Write a function to check whether a given integer is a square number or not. Eg. 4 , 9 , 16 , 25 etc */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <conio.h>
|
||
|
|
#include <math.h>
|
||
|
|
|
||
|
|
int checksquare(int n) ;
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
int n, flag ;
|
||
|
|
clrscr();
|
||
|
|
printf("Enter an integer: ") ;
|
||
|
|
scanf("%d", &n) ;
|
||
|
|
flag=checksquare(n) ;
|
||
|
|
if(flag==1)
|
||
|
|
printf("%d is a square number", n) ;
|
||
|
|
else
|
||
|
|
printf("%d is not a square number", n) ;
|
||
|
|
getch();
|
||
|
|
}
|
||
|
|
|
||
|
|
int checksquare(int n)
|
||
|
|
{
|
||
|
|
double m;
|
||
|
|
int a;
|
||
|
|
m=sqrt(n);
|
||
|
|
a=m;
|
||
|
|
if(n==a*a)
|
||
|
|
return 1;
|
||
|
|
else
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Output1:
|
||
|
|
|
||
|
|
Enter an integer: 16
|
||
|
|
16 is a square number
|
||
|
|
|
||
|
|
Output2:
|
||
|
|
|
||
|
|
Enter an integer: 8
|
||
|
|
8 is not a square number
|
||
|
|
*/
|
||
|
|
|