max() function for valarray in C++

The max() function is defined in valarray header file. This function returns the largest value contained in the valarray.

Syntax:

T max() const;

Parameter: This function doesn’t accept any parameter.

Returns: This function returns the maximum value in the valarray.

Below programs illustrate the above function:

Example 1:-

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// C++ program to demonstrate
// example of max() function.
#include <bits/stdc++.h>
using namespace std;
  
int main()
{
    // Initializing valarray
    valarray<int> varr = { 3, 2, 1, 4, 5 };
  
    // Displaying maximum element of valarray
    cout << "The largest element of valarray is = ";
    cout << varr.max() << endl;
  
    return 0;
}

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Output:

The largest element of valarray is = 5

Example 2:-

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// C++ program to demonstrate
// example of max() function.
#include <bits/stdc++.h>
using namespace std;
  
int main()
{
    // Initializing valarray
    valarray<int> varr = { 22, 24, 36, 42, 12 };
  
    // Displaying maximum element of valarray
    cout << "The largest element of valarray is = ";
    cout << varr.max() << endl;
  
    return 0;
}

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Output:

The largest element of valarray is = 42


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