威佐夫博弈
$t=\left\lfloor \dfrac {\left( 1+\sqrt {5}\right) \left( y-x\right) } {2}\right\rfloor \left( y>x\right)$
如果t=x则先手必败
否则先手必胜。
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1 #include<iostream>
2 #include<cstdio>
3 #include<cmath>
4 using namespace std;
5 int x,y,t,qwq;
6 int main(){
7 scanf("%d",&t);
8 while (t--){
9 scanf("%d%d",&x,&y);
10 if (x>y) swap(x,y);
11 qwq=floor((1+sqrt(5))/2*(y-x));
12 if (qwq==x) printf("Alphago\n");
13 else printf("Amphetamine\n");
14 }
15 return 0;
16 }
神奇的代码