#include <iostream> #include <random> int main() { const int nrolls = 10000; // number of experiments const int nstars = 100; // maximum number of stars to distribute std::default_random_engine generator; std::discrete_distribution<int> distribution {2,2,1,1,2,2,1,1,2,2}; int p[10]={}; for (int i=0; i<nrolls; ++i) { int number = distribution(generator); ++p[number]; } std::cout << "a discrete_distribution:" << std::endl; for (int i=0; i<10; ++i) std::cout << i << ": " << std::string(p[i]*nstars/nrolls,'*') << std::endl; return 0; }
a discrete_distribution: 0: ************ 1: ************* 2: ***** 3: ****** 4: ************ 5: ************ 6: ****** 7: ****** 8: ************ 9: ************
var
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