From 6186b5107769b24cb492a6dd6b483d05f0341337 Mon Sep 17 00:00:00 2001
From: Popko Egor <epopko01@gmail.com>
Date: Thu, 25 Sep 2025 22:34:35 +0300
Subject: [PATCH] =?UTF-8?q?=D1=80=D0=B0=D0=B7=D0=B4=D0=B5=D0=BB=D0=B8?=
 =?UTF-8?q?=D0=BB=20=D0=BA=D0=BE=D0=B4?=
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---
 histogram.cpp | 31 +++++++++++++++++++++++++++++++
 histogram.h   |  9 +++++++++
 main.cpp      | 27 +--------------------------
 3 files changed, 41 insertions(+), 26 deletions(-)
 create mode 100644 histogram.cpp
 create mode 100644 histogram.h

diff --git a/histogram.cpp b/histogram.cpp
new file mode 100644
index 0000000..7b20c7b
--- /dev/null
+++ b/histogram.cpp
@@ -0,0 +1,31 @@
+#include "histogram.h"
+#include <vector>
+#include <cstddef>
+
+using namespace std;
+
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        return;
+    }
+    min = numbers[0];
+    max = numbers[0];
+
+    for (double x : numbers) {
+        if (x < min) min = x;
+        if (x > max) max = x;
+    }
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    vector<size_t> bins(bin_count);
+    for (double x : numbers) {
+        size_t bin_index = (x - min) / (max - min) * bin_count;
+        if (bin_index == bin_count) bin_index--;
+        bins[bin_index]++;
+    }
+    return bins;
+}
diff --git a/histogram.h b/histogram.h
new file mode 100644
index 0000000..8f0e098
--- /dev/null
+++ b/histogram.h
@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+#include <cstddef>
+
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+#endif
diff --git a/main.cpp b/main.cpp
index df63689..c669af0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,6 @@
 #include <iostream>
 #include <vector>
+#include "histogram.h"
 
 using namespace std;
 
@@ -26,32 +27,6 @@ Input input_data()
     return in;
 }
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    if (numbers.empty()) {
-        return;
-    }
-    min = numbers[0];
-    max = numbers[0];
-
-    for (double x : numbers) {
-        if (x < min) min = x;
-        if (x > max) max = x;
-    }
-}
-
-vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
-    double min, max;
-    find_minmax(numbers, min, max);
-
-    vector<size_t> bins(bin_count);
-    for (double x : numbers) {
-        size_t bin_index = (x - min) / (max - min) * bin_count;
-        if (bin_index == bin_count) bin_index--;
-        bins[bin_index]++;
-    }
-    return bins;
-}
-
 void show_histogram_text(const vector<size_t>& bins) {
     const size_t SCREEN_WIDTH = 80;
     size_t max_count = 0;