[1일 1백준 : 1546번] 평균

 

#include <iostream>


int main(void)
{
	std::cin.tie(NULL);
	std::cout.tie(NULL);
	std::ios::sync_with_stdio(false);

	std::cout.precision(10);

	int N = 0;

	std::cin >> N;

	float* index = new float[N];

	for (size_t i = 0; i < N; i++)
	{
		std::cin >> index[i];
	}
	
	float max = index[0];
	for (size_t i = 1; i < N; i++)
	{
		if (index[i] > max)
			max = index[i];
	}

	for (size_t i = 0; i < N; i++)
	{
		index[i] = ((float)(index[i] / max) * 100);
	}

	float sum = 0;
	float average = 0;

	for (size_t i = 0; i < N; i++)
	{
		sum += index[i];
	}

	average = sum / N;

	std::cout << average << "\n";

	delete[] index;
	return 0;
}

 

 

1546번: 평균 (acmicpc.net)

1546번: 평균