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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 */
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#include <stdio.h>
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#include <conio.h>
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#include <math.h>
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int checksquare(int n) ;
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void main()
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{
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int n, flag ;
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clrscr();
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printf("Enter an integer: ") ;
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scanf("%d", &n) ;
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flag=checksquare(n) ;
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if(flag==1)
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printf("%d is a square number", n) ;
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else
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printf("%d is not a square number", n) ;
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getch();
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}
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int checksquare(int n)
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{
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double m;
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int a;
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m=sqrt(n);
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a=m;
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if(n==a*a)
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return 1;
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else
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return 0;
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}
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/*
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Output1:
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Enter an integer: 16
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16 is a square number
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Output2:
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Enter an integer: 8
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8 is not a square number
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*/
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