Chapter 2

If Else

 Expression

Meaning

a==b

a is equal to b

a!=b

a is not equal to b

a<=b

a is less than equal to b

a>=b

a is greater than equal to b

a<b

a is less than b

a>b

a is greater than b

a%b

remainder of a÷b

a/b

quotient of a÷b

||

or

&&

and

Print wheather a number is even or odd.

#include<conio.h>
#include<stdio.h>
void main()
{
clrscr();
int a;
scanf(“%d”,&a);
if (a%2==0)
{
printf(“%d is even”,a);
}
else
{
printf(“%d is odd”,a);
}
getch();
}

Print the greatest number among 3 given numbers.

#include<conio.h>
#include<stdio.h>
void main()
{
clrscr();
int a,b,c;
scanf(“%d %d %d”,&a,&b,&c);
if(a>b && a>c)
{
printf(“%d is the greatest”,a);
}
else if(b>a && b>c)
{
printf(“%d is the greatest”,b);
}
else if(c>a && c>b)
{
printf(“%d is the greatest”,c);
}
getch();
}

SCANF IS USED FOR USER INPUT