题解 | #xxx定律#
xxx定律
https://www.nowcoder.com/practice/75c189249d6145cfa33cd53edae6afc8
#include <iostream> using namespace std; int main() { int n; while (cin >>n) { //考虑特殊情况:n为0 if(n==0)break; int sum=0; while(n!=1) { if(n%2==0){ n/=2;sum++; } else{ n=(n*3+1)/2; sum++; } } cout<<sum<<endl; } }