Stan and Ollie play the game of multiplication by multiplying an integer p by one of the numbers 2 to 9. Stan always starts with p = 1, does his multiplication, then Ollie multiplies the number, then Stan and so on. Before a game starts, they draw an integer 1 < n < 4294967295 and the winner is who first reaches p >= n.
Input
Each line of input contains one integer number n.
Output
For each line of input output one line either
Stan wins.
or
Ollie wins.
assuming that both of them play perfectly.
Sample Input
162 17 34012226
Sample Output
Stan wins. Ollie wins. Stan wins.
题意:两个人玩游戏,Stan先手,他们有一个整数p,每次乘以2-9之间的任意一个数,Stan每次都是从p=1开始游戏
思路:算是找规律的题吧。
0~9 Stan
10~9*2 Ollie //2是Stan,他要尽量阻止Ollie取到n;9是Ollie,他要尽量大来取到n
19~9*2*9 Stan
以此类推
可以直接用n不断/18
AC代码:
#include <bits/stdc++.h>
using namespace std;
int main()
{
double n;
while(~scanf("%lf",&n))
{
while(n>18) n/=18;
if(n<=9) printf("Stan wins.\n");
else printf("Ollie wins.\n");
}
return 0;
}