From 3bc5b7faf214e3ad746ebce91cd87789e904a9cd Mon Sep 17 00:00:00 2001
From: IvanovDA <IvanovDanAn@mpei.ru>
Date: Mon, 29 Apr 2024 01:10:55 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
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---
 histogram.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 histogram.cpp

diff --git a/histogram.cpp b/histogram.cpp
new file mode 100644
index 0000000..f23db86
--- /dev/null
+++ b/histogram.cpp
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <vector>
+#include "histogram.h"
+using namespace std;
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numbers[0];
+    for (size_t i = 1; i < numbers.size(); i++) {
+        if (numbers[i] < min) {
+            min = numbers[i];
+        }
+        else if (numbers[i] > max) {
+            max = numbers[i];
+        }
+    }
+}
+
+vector<size_t>
+make_histogram(const vector <double>& numbers, size_t bin_count) {
+    double minc, maxc;
+    find_minmax(numbers, minc, maxc);
+    vector<size_t> bins(bin_count);
+    double bin_size = (maxc - minc) / bin_count;
+    size_t bin_max_size = 0;
+    for (size_t i = 0; i < numbers.size(); i++) {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
+            auto lo = minc + j * bin_size;
+            auto hi = minc + (j + 1) * bin_size;
+            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
+                bins[j]++;
+                found = true;
+                if (bins[j] > bin_max_size) {
+                    bin_max_size = bins[j];
+                }
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+            if (bins[bin_count - 1] > bin_max_size) {
+                bin_max_size = bins[bin_count - 1];
+            }
+        }
+    }
+    return bins;
+}
\ No newline at end of file