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std::uniform_int_distribution b() method in C++ with examples

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  • Last Updated : 17 Jun, 2019
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The b() method of uniform_int_distribution class in C++ is used to get the upper bound of this uniform_int_distribution. If there is no upper bound then this method returns std::numeric_limits::max().


result_type b() const;

Parameters: This method do not accepts any parameters.

Return Value: This method return the ‘b’ parameter in the distribution, which is the upper bound or the maximum possibly generated value in this uniform_int_distribution. Its default value is std::numeric_limits::max().


// C++ code to demonstrate
// the working of b() function
#include <iostream>
// for uniform_int_distribution function
#include <random>
using namespace std;
int main()
    int a = 10, b = 100;
    // Initializing of uniform_int_distribution class
    uniform_int_distribution<int> distribution(a, b);
    // Using b()
    cout << "Upper Bound: "
         << distribution.b() << endl;
    return 0;


Upper Bound: 100


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