求各种程序员写一下过程

Question

Answer 1

#include<stdio.h>
double t(int n) {
    if (n == 1) return 1;
    return 2 * t(n / 2) + n;
}
int main()
{
    int n;
    scanf("%d", &n);
    printf("%d", t(n));
    return 0;
}