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取石子游戏Time Limit:1000MSMemory Limit:10000KTotal Submissions:29959Accepted:9818Description有两堆石子，数量任意，可以不同。游戏开始由两个人轮流取石子。游戏规定，每次有两种不同的取法，一是可以在任意的一堆中取走任意多的石子；二是可以在两堆中同时取走相同数量的石子。最后把石子全部取完者为胜者。现在给出初始的两堆石子的数目，如果轮到你先取，假设双方都采取最好的策略，问最后你是胜者还是败者。Input输入包含若干行，表示若干种石子的初始情况，其中每一行包含两个非负整数a和b，表示两堆石子的数目，a和b都不大于1,00 阅读全文
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Yukari's BirthdayTime Limit: 12000/6000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 883Accepted Submission(s): 151Problem DescriptionToday is Yukari's n-th birthday. Ran and Chen hold a celebration party for her. Now comes the most important part, birthday c 阅读全文
摘要：
A very hard mathematic problemTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2581Accepted Submission(s): 747Problem Description Haoren is very good at solving mathematic problems. Today he is working a problem like this: Find three positive inte.. 阅读全文