#include using namespace std; void countprime(int * count) { vector a(100001,1); a[0]=a[1]=0; int p,i; a[2]=1; for(i=2;i*i<=100000;i++) { if(a[i]==1) { for(p=2*i;p<=100000;p+=i) a[p]=0; } } for(i=2;i<=100000;i++) { if(a[i]==1){ count[i]=count[i-1]+1; }else { count[i]=count[i-1]; } } } int main() { int q,n,i; int count[100001]={0}; countprime(count); /* for(i=0;i<=100;i++) cout<>q; while(q--) { cin>>n; if((count[n]%2)==0) cout<<"Bob\n"; else cout<<"Alice\n"; } return 0; }