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Last Updated : 17 Jun, 2019

The a() method of uniform_int_distribution class in C++ is used to get the lower bound of this uniform_int_distribution. If there is no lower bound then this method returns 0.

Syntax:

result_type a() const;

Parameters: This method do not accepts any parameters.

Return Value: This method return the ‘a’ parameter in the distribution, which is the lower bound or the minimum possibly generated value in this uniform_int_distribution. Its default value is 0.

Example:

// C++ code to demonstrate 
// the working of a() 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 a() 
    cout << "Lower Bound: "
         << distribution.a() << endl; 
  
    return 0; 
} 

Output:

Lower Bound: 10

Reference: https://en.cppreference.com/w/cpp/numeric/random/uniform_int_distribution/params

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