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[Other] lucky DL : 0: .幸运抽奖 Alice和Bob最近在玩一个抽奖游戏, 游戏规则如下: 考虑题意可知: Alice所有可能的抽奖结果有C(N, K)种, Bob的也是. 故两者一起的所有抽奖结果有S = C(N, K) * C(N, K)种. -The lucky draw Alice and Bob recently played a lottery game, the rules of the game is as follows: Consider the question is: Alice all possible lottery results have C (N, K), Bob is. Therefore, together with all the lottery results are S = C (N, K)* C (N, K).
Date : 2026-01-07 Size : 4kb User : jet