else if with loop

#include<stdio.h>
main()
{
int age, i=0;
while (i<=20)
{
printf("Please enter your age\n\n");
scanf("%d",&age);


if((age >= 60))
printf("warga emas\n");
else if((age <= 59) && (age >= 25))
printf("Dewasa\n");
else if((age <= 24) && (age >= 12))
printf("Remaja\n");
else
printf("kanak kanak riang\n");

 i++;
}
}

without loop


#include<stdio.h>
main()
{

float weight, height, bmi_value;
char name[20];



printf("\nplease enter your name\n");
scanf("%s",&name);

printf("\nplease enter your weight\n");
scanf("%f",&weight);


printf("\nplease enter your height in meter\n");
scanf("%f",&height);

bmi_value = weight/(height*height);

printf("\nyour bmi value is  =  %.1f\n" ,bmi_value);


if((bmi_value >= 30.0))
printf("\nyour bmi status is obese\n");

else if((bmi_value <= 29.9) && (bmi_value >= 25.0))
printf("\nyour bmi status is overweight\n");

else if((bmi_value <= 24.9) && (bmi_value >= 18.5))
printf("\nyour bmi status is normal\n");

else
printf("\nyour bmi status is underweight\n");



}