Родитель
29f51bb555
Сommit
08470acf11
@ -0,0 +1,36 @@
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#include <iostream>
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#include <vector>
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#include "histogram.h"
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using namespace std;
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void find_minmax(const vector<double>& numbers, double& min_in_numbers, double& max_in_numbers) {
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min_in_numbers = numbers[0];
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max_in_numbers = *(max_element(begin(numbers), end(numbers)));
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min_in_numbers = *(min_element(begin(numbers), end(numbers)));
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}
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vector <size_t> make_histogram(const vector<double>& numbers, const size_t bin_count) {
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vector <size_t> bins(bin_count);
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double min_in_numbers, max_in_numbers;
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find_minmax(numbers, min_in_numbers, max_in_numbers);
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double bin_size = (max_in_numbers - min_in_numbers) / bin_count;
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for (size_t i = 0; i < numbers.size(); i++) {
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int to_bin = int((numbers[i]) - min_in_numbers) / bin_size;
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if (to_bin >= bin_count) {
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bins[to_bin - 1]++;
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}
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else {
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bins[to_bin]++;
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}
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}
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return bins;
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}
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@ -0,0 +1,12 @@
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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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std::vector<size_t>
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make_histogram(const std::vector<double>& numbers, size_t bin_count);
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#endif // HISTOGRAM_H_INCLUDED
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@ -0,0 +1,73 @@
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#include <iostream>
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#include <vector>
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#include "text.h"
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using namespace std;
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void show_histogram_text(const vector <size_t> bins, const size_t bin_count) {
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// Ìàêñèìàëüíîå â êîîðçèíàõ
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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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int max_in_bins = 0;
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for (int i = 0; i < bin_count; i++) {
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if (bins[i] > max_in_bins) {
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max_in_bins = bins[i];
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}
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}
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if (max_in_bins > MAX_ASTERISK) {
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for (int i = 0; i < bin_count; i++) {
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if (bins[i] < 100) {
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cout << " ";
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}
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if (bins[i] < 10) {
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cout << " ";
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}
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size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_in_bins);
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cout << bins[i] << "|";
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for (int 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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else {
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// Åñëè ìàêñèìàëüíîå ÷èñëî ñðåäè êîîðçèí ìåíüøå èëè ðàâíî 76
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for (int i = 0; i < bin_count; i++) {
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if (bins[i] < 100) {
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cout << " ";
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}
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if (bins[i] < 10) {
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cout << " ";
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}
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cout << bins[i] << "|";
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for (int j = 0; j < bins[i]; 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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}
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@ -0,0 +1,10 @@
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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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void show_histogram_text(std::vector <size_t> bins, size_t bin_count);
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#endif // TEXT_H_INCLUDED
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