Question

How to get largest element of an float array in C++

Answer 1

#include <iostream>

int main(void)
{
	float arr[] = { 3.14, 2.2, 9.7, 1.17, 5.55 };
	int size = (sizeof(arr) / sizeof(*arr));

	float max = arr[0];
	for (int i = 1; i < size; ++i)
		if (arr[i] > max) max = arr[i];

	std::cout << "Largest = " << max << std::endl;

	return(0);
}



/*
run:

Largest = 9.7

*/

 

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Answer 2

#include <iostream>
#include <array>

int main(void)
{
	std::array<float, 5> arr = { 3.14, 2.2, 9.7, 1.17, 5.55 };

	float max = arr[0];
	for (int i = 1, size = arr.size(); i < size; ++i)
		if (arr[i] > max) max = arr[i];

	std::cout << "Largest = " << max << std::endl;

	return(0);
}



/*
run:

Largest = 9.7

*/

 

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