Good Morning by Mosharof Rimon

 #include <stdio.h>
int main()
{
float time;
scanf("%f",&time);
if((time>=6.)&&(time<11.))
{
printf("\nGood Morning\n");
}
else if((time>=11.)&&(time<16.))
{
printf("\nGood Afternoon\n");
}
else if((time>=16.)&&(time<20.))
{
printf("\nGood Evening\n");
}
else if(((time>=20.)&&(time<24.))||((time>=0.)&&(time<6.)))
{
printf("\nGood Night\n");
}
else
{
printf("\nTime is out of range\n");
}
return 0;
}