1001 害死人不偿命的(3n+1)猜想
#include<iostream>
using namespace std;
int calculate(int n)
{
int count = 0;
while (n != 1)
{
if (n % 2 == 0) //偶数
n = n / 2;
else
n = (3 * n + 1) / 2;
count++;
}
return count;
}
int main()
{
int n;
cin >> n;
cout<<calculate(n);
return 0;
}