https://ac.nowcoder.com/acm/contest/3006/E
Title Description
Taurus team three players in the training apart from his own mouth Hu will be some questions as usual puzzle game. One day cattle Coke came up with a game to play with two other players, rules of the game are as follows:
- A total initial
card card
- Just get a minimum first step to bring a card, bring it up to
cards.
- Then every step, at least two sides to bring
cards, equivalent to the previous step up to take the license number of the other party to take the cards.
- Who took the last card will win the game.
You, as a spectator, watching them playing very happy, want to participate in this game, who will take a risk to win.
Thinking
I am too weak to game theory, thanks to hit the table to find the law
Integer power of 2, when is doomed to failure, the output Alice, Bob remaining output
/*************************************************************************
> File Name: E.cpp
> Author: amoscykl
> Mail: [email protected]
> Created Time: 2020年02月13日 星期四 14时17分15秒
************************************************************************/
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n;
int main()
{
scanf("%lld", &n);
bool f = 0;
ll t = 2;
while (t < n){
t <<= 1;
}
if (t == n)f = 1;
printf(f ? "Alice" : "Bob");
return 0;
}
