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#649. 组合公式(Combination) [2*]
ID: 649
Type: Default
1000ms
128MiB
Tried: 0
Accepted: 0
Difficulty: (None)
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基础算法-递推
组合公式(Combination) [2*]
说明
组合公式(Combination)
【问题】用递推法计算从M个物品中取N个的组合个数C(M,N)。(1<=n<=M<30)
【输入】m n 【输出】组合数C(M,N)的值
Source
基础算法-递推
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