#include"stdio.h"
#include"conio.h"
float weight_kg,height_m,BMI;
main()
{
	printf("Enter weight_kg: ");
	scanf("%f",&weight_kg);
	printf("Enter height_m: ");
	scanf("%f",&height_m);
	if(height_m <=0)
	   printf("Error: height > 0");
	BMI = weight_kg/(height_m*height_m);
	printf("BMI : %.1f\n",BMI);
	printf("result: ");
	if (BMI < 18.5)
	    printf("Underweight");
	else if (BMI <= 24.9)
	    printf("Normal weight");
	else if (BMI <= 29.9)
	    printf("Overweight");
	else 
	    printf("Obesity");
	getch();
}

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