HDU 2516 取石子游戲 Fib博弈
取石子游戲
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2344 Accepted Submission(s): 1341
Problem Description 1堆石子有n個,兩人輪流取.先取者第1次可以取任意多個,但不能全部取完.以後每次取的石子數不能超過上次取子數的2倍。取完者勝.先取者負輸出"Second win".先取者勝輸出"First win".
Input 輸入有多組.每組第1行是2<=n<2^31. n=0退出.
Output 先取者負輸出"Second win". 先取者勝輸出"First win".
參看Sample Output.
Sample Input 2 13 10000 0
Sample Output Second win Second win First win
Source