#include <stdio.h>
int main(void) {
float a,b,x, bmi;
b=x/100;
bmi = a / (b * b);
printf("BMIは%.1lfです\n", bmi
);//%.1lf
if (bmi < 18.5)
else if (bmi < 25)
else if (bmi < 35)
else
return 0;
}
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