From 15b6a7b9c5582625fdac5d001c74b900f387aff8 Mon Sep 17 00:00:00 2001
From: MokeevNV <MokeevNV@mpei.ru>
Date: Thu, 1 May 2025 18:47:24 +0300
Subject: [PATCH] =?UTF-8?q?code:=204.=D0=BC=D0=BE=D0=B4=D1=83=D0=BB=D1=8C?=
 =?UTF-8?q?=D0=BD=D1=8B=D0=B5=20=D1=82=D0=B5=D1=81=D1=82=D1=8B(=D0=B8?=
 =?UTF-8?q?=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5=D0=BD=D0=B8=D0=B5=20find=5Fminma?=
 =?UTF-8?q?x=20=D0=BD=D0=B0=20=D0=BB=D0=BE=D0=B3=D0=B8=D1=87=D0=B5=D1=81?=
 =?UTF-8?q?=D0=BA=D1=83=D1=8E=20=D1=84=D1=83=D0=BD=D0=BA=D1=86=D0=B8=D1=8E?=
 =?UTF-8?q?=20=D0=B8=20=D0=BF=D0=BE=D0=B4=D0=BA=D0=BB=D1=8E=D1=87=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B8=D0=B5=20histogram=5Finternal.h?=
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---
 histogram.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/histogram.cpp b/histogram.cpp
index b91f450..898675d 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -1,8 +1,12 @@
 #include "histogram.h"
+#include "histogram_internal.h"
 
 using namespace std;
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
+bool find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.size() == 0) {
+        return false;
+    }
     min = numbers[0];
     max = numbers[0];
     for (double x : numbers) {
@@ -13,6 +17,7 @@ void find_minmax(const vector<double>& numbers, double& min, double& max) {
             max = x;
         }
     }
+    return true;
 }
 vector<size_t> make_histogram(const vector<double> &numbers, size_t bin_count) {
     vector<size_t> bins(bin_count);