题解 | #扭蛋机#

#include #include using namespace std; int main() { int N; cin >> N; int j =N; string ans; while(j>0) {

   if(j%2)
   {
       ans +='2';
       j = (j-1)/2;
   }
      else
      {
      ans +='3';
          j =(j-2)/2;
      }
}
      cout << string(ans.rbegin(),ans.rend()) << endl;

}