From 22674d1f7c8e3b47701091093be0e198bcda9d69 Mon Sep 17 00:00:00 2001
From: YaroslavS <SpesivtsevYM@mpei.ru>
Date: Mon, 28 Apr 2025 01:11:02 +0300
Subject: [PATCH] Add find_minmax and make_histogram in histogram.cpp

---
 Histogram/histogram.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/Histogram/histogram.cpp b/Histogram/histogram.cpp
index 8b13789..fc209c4 100644
--- a/Histogram/histogram.cpp
+++ b/Histogram/histogram.cpp
@@ -1 +1,42 @@
+#include "histogram.h"
+#include <vector>
+#include <algorithm>
+
+size_t find_minmax(const std::vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        min = max = 0;
+        return 0;
+    }
+    min = numbers[0];
+    max = numbers[0];
+    for (double number : numbers) {
+        if (number < min) {
+            min = number;
+        }
+        if (number > max) {
+            max = number;
+        }
+    }
+    return 0;
+}
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count) {
+    std::vector<size_t> bins(bin_count, 0);
+    if (numbers.empty() || bin_count == 0) {
+        return bins;
+    }
+    double min, max;
+    find_minmax(numbers, min, max);
+    if (max == min) {
+        return bins; // Возвращаем пустые корзины, так как гистограмма не может быть построена
+    }
+    double bin_width = (max - min) / bin_count;
+    for (double number : numbers) {
+        size_t bin_index = static_cast<size_t>((number - min) / bin_width);
+        if (bin_index >= bin_count) {
+            bin_index = bin_count - 1; // Обработка крайнего случая max == number
+        }
+        bins[bin_index]++;
+    }
+    return bins;
+};