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卡拉兹(Callatz)猜想:5
#include <iostream>
using namespace std;
int main(){
int n;
cin >> n;
int cnt = 0;
while (n != 1){
if (n % 2 == 0){
n = n / 2;
}
else{
n = (3 * n + 1) / 2;
}
cnt++;
}
cout << cnt << endl;
return 0;
}
PAT乙级1001题:害死人不偿命的(3n+1)猜想 (15)
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原文地址:http://blog.csdn.net/rabbit_911009/article/details/51332388