1. Weird Algorithm.cpp

#include "iostream"

using namespace std;

typedef long long ll;

int main() {
    ll n;
    cin >> n;
    while(n != 1) {
        cout << n << " ";
        if (n % 2 == 0) 
            n /= 2;
        else
            n = n*3+1;
    }
    cout << n << "\n";
}