题解 | 求小球落地5次后所经历的路程和第5次反弹的高度
求小球落地5次后所经历的路程和第5次反弹的高度
https://www.nowcoder.com/practice/2f6f9339d151410583459847ecc98446
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
double hs[10];
int main() {
double h;
cin >> h;
hs[0] = h;
for (int i = 1; i <= 5; ++i) {
hs[i] = hs[i - 1] / 2;
}
double res = 0;
res += hs[0];
for (int i = 1; i <= 4; ++i)
res += 2 * hs[i];
cout << res << endl;
cout << hs[5] << endl;
return 0;
}
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