1229 : 비만도 측정 2

#include <stdio.h>
 
int main(void)
{
    double height = 0.0;
    double weight = 0.0;
    double standardWeight = 0.0; // 표준몸무게 
    double pIndex = 0.0; // 비만도 
    
    scanf("%lf %lf", &height, &weight); 
    
    if (height < 150)
        standardWeight = height - 100;
    else if (height >= 160)
        standardWeight = (height - 100) * 0.9;
    else
        standardWeight = (height - 150) / 2 + 50;
 
    pIndex = (weight - standardWeight) * 100 / standardWeight;
    
    if (pIndex <= 10)
        printf("정상");
    else if (pIndex > 20)
        printf("비만");
    else
        printf("과체중");
    
    return 0;
}