if(expression) { statements;}ឧទាហរណ៍ #include<stdio.h>
void main ()
{
int number;
printf ("Input Number=");
scanf("%d",& number );
if( number<=0)
printf("%d NumberIs Negative",number);
if( number>0)
printf("%d NumberIs Positive ",number);
}
if(expression){statements;}else{ statements;}ឧទាហរណ៍ #include<stdio.h>
void main ()
{
int number;
printf ("Input Number=");
scanf("%d",& number );
if( number<=0)
printf("%d NumberIs Negative",number);
else
printf("%d NumberIs Positive ",number);
}
switch
(variable){ case Constant1:
Statements; break; case Constant2:
Statements; break;case Constant(N):
Statements; break; Default:
Statements;break; }#include<conio.h>
#include<stdio.h>
void main()
{ char khmer;
float a,b,result;
clrscr();
printf("Enter a:");scanf("%f",&a);
printf("Enter b:");scanf("%f",&b);
printf("Choose option[+,-,*,/]:");
fflush(stdin);
scanf("%c",&khmer);
switch(khmer){
case '+':result=a+b;printf ("%0.2f\n",result);
break;
case '-':result=a-b;printf ("%0.2f\n",result);
break;
case '*':result=a*b;printf ("%0.2f\n",result);
break;
case '/':result=a/b;printf ("%0.2f\n",result);
break; }
getch();
}
Expression1? Expression2: Expresion3; #include<stdio.h>
#include<conio.h>
void main()
{
int max = 0;
int a = 5;
int b = 10;
max = a>b?a:b;
printf("Max = %d",max);
getch();
}
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