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python/C++课程/习题训练/3N+1问题_2.cpp

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2025-08-30 18:35:01 +08:00
#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;
}