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std::binomial_distribution::binomial_distribution

性病：：二项式[医]分配：：二项式[医]分布

explicit binomial_distribution( IntType t = 1, double p = 0.5 (1)(since C++11)
explicit binomial_distribution( const param_type& params (2)(since C++11)

构造新的分发对象。第一个版本使用t和p作为分发参数，第二个版本使用params作为分布参数。

参数

t-the t distribution parameter (number of trials)
p-the p distribution parameter (probability of a trial generating true)
params-the distribution parameter set

注记

要求0≤p≤1和0≤t。

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