python/C++课程/习题训练/3N+1问题_2.cpp

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int count = 0;
    long long n;//<2F><><EFBFBD><EFBFBD>64λ<34><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    scanf("%lld", &n);//<2F>˴<EFBFBD>"%lld"Ҳ<><D2B2>д<EFBFBD><D0B4>"%I64d"
    while(n > 1)
    {
        if(n%2 == 1) n = n * 3 + 1;
        else n /= 2;
        count++;
    }
    printf("%d\n", count);
    return 0;
}