https://pintia.cn/problem-sets/994805260223102976/problems/994805264706813952
脑筋急转弯??智商测试吗…
肯定是越长的绳子折半次数越少 最后越长呗…
#include <iostream>
#include <algorithm>
using namespace std;
int main(){
int n, num[10000] = {0};
cin >> n;
for(int i = 0; i < n; i++)
cin >> num[i];
sort(num, num + n);
double sum = (num[0]+num[1])/2.0;
for(int i = 2; i < n; i++)
sum = (sum + num[i]) / 2.0;
cout << (int)sum;
return 0;
}