@ -1,9 +1,10 @@
#include "histogram.h"
#include "histogram_internal.h"
#include <iostream>
#include <vector>
using namespace std;
static void find_minmax(const vector<double>& numbers, double& min, double& max) {
void find_minmax(const vector<double>& numbers, double& min, double& max) {
min = numbers[0];
max = numbers[0];
for (double x : numbers) {