#include<stdio.h>
int main()
{
int n;
float height = 100, b, first = 200, i, sum = 100;
scanf("%d", &n);
for (i = 1; i < n; i++) {
sum = sum + first / 2;
first = first / 2;
}
for (i = 0; i < n; i++)
height = height / 2;
printf("共经过%.5f米\n", sum);
printf("第n次反弹%.5f米\n", height);
}
一球从100m高度自由落下,每次落地后反跳回原高度的一半,再落下。求它在第n次落地时,共经过多少米?第n次反弹多高?(小数点后保留5位)
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转载自blog.csdn.net/weixin_43343116/article/details/86428496
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