Загрузил(а) файлы в ''

histogram.cpp

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+#include "histogram.h"
+
+bool
+find_minmax(const std::vector<double>& numbers, double& min, double& max){
+    if (numbers.size() != 0) {
+        min = numbers[0];
+        max = numbers[0];
+
+        for (double x : numbers) {
+            if (x < min) {
+                min = x;
+            }
+            else if (x > max) {
+                max = x;
+            }
+        }
+        return true;
+    }
+
+    else {
+        return false;
+    }
+
+}
+
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count){
+
+    std::vector<size_t> bins(bin_count);
+
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    double bin_size = (max - min) / bin_count;
+
+    for (size_t i = 0; i < numbers.size(); i++) {
+        bool found = false; // òåêóùåå ñîñòîÿíèå òåêóùåãî ýëåìåíòà. Ýëåìåíò íå ðàñïðåäåëåí â êîðçèíó
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++) { // áåð¸ì j-þ êîðçèíó
+            auto lo = min + j * bin_size; // îïðåäåëÿåì ãðàíèöû äàííîé êîðçèíû
+            auto hi = min + (j + 1) * bin_size;
+            if ((lo <= numbers[i]) && (numbers[i] < hi)) { // ïîäñòàâëÿåì ïîä ýòè ãðàíèöû i-é ýëåìåíò èç numbers
+                bins[j]++; // åñëè ýëåìåíò íàõîäèòñÿ â äàííîì äèàïàçîíå (ãðàíèöàõ), òî óâåëè÷èâàåì ñ÷åò÷èê j-îé êîðçèíû
+                found = true; // ïåðåêëþ÷àåì "ôëàæîê", ÷òîáû ïðåêðàòèòü ïåðåáîð êîðçèí è ïåðåéòè ê ñäåä. ýë. èç numbers
+            }                 // òî åñòü òåïåðü ýëåìåíò ðàñïðåäåëåí â êîðçèíó è íåò íóæäû ïåðåáèðàòü îñòàëüíûå êîðçèíû
+        }
+        if (!found) { // à åñëè æå âñ¸ òàêè ýë. íå ðàñïðåäåëåí, òî ýòî çíà÷èò, ÷òî îí ïîïàäàåò â ïîñëåäíèé äèàïàçîí
+            bins[bin_count - 1]++; // äîáàâëÿåì ýòîò ýë. â ïîñëåäíþþ êîðçèíó
+        }
+    }
+    return bins;
+}

histogram.h

@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED

histogram_internal.h

@@ -0,0 +1,10 @@
+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+#include <vector>
+#include <string>
+
+bool find_minmax(const std::vector<double>& numbers, double& min, double& max);
+
+std::string
+bin_color(size_t bin, size_t max_count);
+#endif // HISTOGRAM_INTERNAL_H_INCLUDED

main.cpp

@@ -0,0 +1,45 @@
+#include <iostream>
+#include <vector>
+#include "histogram.h"
+#include "svg.h"
+#include <curl/curl.h>
+
+using namespace std;
+
+ struct Input {
+        vector<double> numbers;
+        size_t bin_count{};
+    };
+
+Input
+input_data(istream& in, bool prompt){
+
+    if (prompt == true) cerr << "Enter number_count: ";
+
+    size_t number_count;
+    in >> number_count;
+
+    Input data;
+    data.numbers.resize(number_count);
+
+    if (prompt == true) cerr << "Enter numbers: ";
+
+    for (size_t i = 0; i < number_count; i++){
+        in >> data.numbers[i];
+    }
+
+    if (prompt == true) cerr << "Enter bin count: ";
+
+    in >> data.bin_count;
+    return data;
+}
+
+int
+main()
+{
+    curl_global_init(CURL_GLOBAL_ALL);
+    auto in = input_data(cin, false);
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_svg(bins);
+    return 0;
+}

my_project.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="my_project" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/my_project" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+					<Add directory="curl/include" />
+				</Compiler>
+				<Linker>
+					<Add library="curl/lib/libcurl.dill.a" />
+				</Linker>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/my_project" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+			<Add directory="curl/include" />
+		</Compiler>
+		<Linker>
+			<Add library="curl/lib/libcurl.dll.a" />
+		</Linker>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
+		<Unit filename="main.cpp" />
+		<Unit filename="mainmain.c">
+			<Option compilerVar="CC" />
+		</Unit>
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
+		<Extensions />
+	</Project>
+</CodeBlocks_project_file>