AndrosovDS
3 недель назад
Родитель
598ed6dc81
Сommit
6ad8baad0f
@ -1,39 +1,41 @@
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#include "histogram.h"
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#include <vector>
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using namespace std;
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void find_minmax(const vector<double>& numbers, double& min, double& max) {
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if (numbers.empty()) {
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if (numbers.empty())
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{
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min = 0;
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max = 0;
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return;
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}
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min = numbers[0];
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max = numbers[0];
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for (float x : numbers) {
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min = numbers[0];
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for (double x : numbers) {
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if (x < min) min = x;
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else if (x > max) max = x;
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}
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}
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vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
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vector<size_t> make_histogram(vector<double> numbers, size_t bin_count) {
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double min, max;
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find_minmax(numbers, min, max);
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double bin_size = (max - min) / bin_count;
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vector<size_t> bins(bin_count);
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float k = (max - min) / bin_count;
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vector<size_t> bins(bin_count, 0);
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for (double number : numbers) {
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bool flag = false;
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for (size_t j = 0; (j < bin_count && !flag); j++) {
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if (number >= (min + k * j) && number < (min + k * (j + 1))) {
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for (size_t i = 0; i < numbers.size(); i++) {
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bool found = false;
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for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
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auto lo = min + j * bin_size;
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auto hi = min + (j + 1) * bin_size;
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if ((lo <= numbers[i]) && (numbers[i] < hi)) {
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bins[j]++;
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flag = true;
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found = true;
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}
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}
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if (!flag) bins[bin_count - 1]++;
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if (!found) {
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bins[bin_count - 1]++;
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}
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}
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return bins;
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}
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@ -1,4 +1,9 @@
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#pragma once
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#ifndef HISTOGRAM_H_INCLUDED
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#define HISTOGRAM_H_INCLUDED
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#include <vector>
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using namespace std;
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vector<size_t> make_histogram(vector<double> numbers, size_t bin_count);
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std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
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#endif
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@ -1,4 +1,6 @@
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#pragma once
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#include <vector>
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#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
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#define HISTOGRAM_INTERNAL_H_INCLUDED
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void find_minmax(const std::vector<double>& numbers, double& min, double& max);
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#endif
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@ -1,42 +1,35 @@
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#include <iostream>
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#include <vector>
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#include "histogram.h"
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#include "text.h"
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#include "svg.h"
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using namespace std;
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// Ñòðóêòóðà äëÿ õðàíåíèÿ âõîäíûõ äàííûõ
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struct Input {
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vector<double> numbers;
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size_t bin_count{};
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size_t bin_count;
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};
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// Ôóíêöèÿ ââîäà äàííûõ
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Input input_data() {
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Input in;
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int number_count;
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cin >> number_count;
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while (number_count < 1) {
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size_t number_count;
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cerr << "Enter number count: ";
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cin >> number_count;
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}
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cin >> in.bin_count;
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while (in.bin_count < 1) {
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cin >> in.bin_count;
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}
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in.numbers.resize(number_count);
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for (int i = 0; i < number_count; i++) {
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cerr << "Enter numbers: ";
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for (size_t i = 0; i < number_count; i++) {
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cin >> in.numbers[i];
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}
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cerr << "Enter bin count: ";
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cin >> in.bin_count;
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return in;
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}
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// Ãëàâíàÿ ôóíêöèÿ
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int main() {
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auto in = input_data(); // Ââîä äàííûõ
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auto bins = make_histogram(in.numbers, in.bin_count); // Ðàñ÷¸ò ãèñòîãðàììû
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show_histogram_svg(bins); // Âûâîä ãèñòîãðàììû â ôîðìàòå SVG
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auto in = input_data();
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auto bins = make_histogram(in.numbers, in.bin_count);
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show_histogram_svg(bins);
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return 0;
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}
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@ -1,11 +1,8 @@
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#pragma once
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#include <vector>
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#include <string>
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#ifndef SVG_H_INCLUDED
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#define SVG_H_INCLUDED
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void svg_begin(double width, double height);
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void svg_end();
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void svg_text(double left, double baseline, const std::string& text);
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void svg_rect(double x, double y, double width, double height,
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const std::string& stroke = "black",
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const std::string& fill = "black");
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#include <vector>
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#include <cstddef> //
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void show_histogram_svg(const std::vector<size_t>& bins);
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#endif // SVG_H_INCLUDED
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@ -1,33 +1,37 @@
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#include "text.h"
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#include <iostream>
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using namespace std;
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void show_histogram_text(const vector<size_t>& bins) {
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void show_histogram_text(vector<size_t> bins, size_t bin_count) {
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const size_t SCREEN_WIDTH = 80;
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const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
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size_t max_count = 0;
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for (size_t count : bins) {
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if (count > max_count) {
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max_count = count;
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double max_bin;
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size_t height;
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max_bin = bins[0];
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height = bins[0];
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for (size_t i = 0; i < bin_count; i++) {
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if (bins[i] > max_bin) {
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max_bin = bins[i];
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}
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}
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for (size_t bin : bins) {
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if (bin < 100) cout << " ";
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if (bin < 10) cout << " ";
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cout << bin << "|";
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size_t height = bin;
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if (max_count > MAX_ASTERISK) {
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if (max_count != bin)
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height = MAX_ASTERISK * (static_cast<float>(bin) / max_count);
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else
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height = MAX_ASTERISK;
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bool flag = false;
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if (max_bin > 80) {
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flag = true;
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}
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for (size_t i = 0; i < height; i++) cout << "*";
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cout << "\n";
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for (size_t i = 0; i < bin_count; i++) {
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if (bins[i] < 100) cout << " ";
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if (bins[i] < 10) cout << " ";
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cout << bins[i] << "|";
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if (flag == true) {
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height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_bin);
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}
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else {
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height = bins[i];
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}
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for (size_t j = 0; j < height; j++) {
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cout << "*";
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}
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cout << endl;
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}
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}
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@ -1,4 +1,9 @@
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#pragma once
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#ifndef TEXT_H_INCLUDED
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#define TEXT_H_INCLUDED
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#include <vector>
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using namespace std;
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void show_histogram_text(vector<size_t> bins, size_t bin_count);
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void show_histogram_text(const std::vector<size_t>& bins);
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#endif
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