Родитель
cfc1477ada
Сommit
c0ff1c37a2
@ -0,0 +1,43 @@
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#include "histogram.h"
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#include <vector>
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#include <iostream>
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using namespace std;
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void
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find_minmax(const vector<double>& numbers, double& min, double& max) {
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min = numbers[0];
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max = numbers[0];
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for (double x : numbers) {
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if (x < min) {
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min = x;
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}
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else if (x > max) {
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max = x;
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}
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}
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}
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std::vector<double>
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make_histogram(const std::vector<double>& numbers, size_t bin_count) {
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vector<double> bins(bin_count);
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double min = 0, max = 0;
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find_minmax(numbers, min, max);
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double bin_size = (max - min) / bin_count;
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for (int i = 0; i < numbers.size(); i++) {
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bool found = false;
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for (int 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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found = true;
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}
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}
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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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@ -0,0 +1,5 @@
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#pragma once
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#include <vector>
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std::vector<double>
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make_histogram(const std::vector<double>& numbers, size_t bin_count);
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@ -1,86 +1,40 @@
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#include <iostream>
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#include <vector>
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#include <math.h>
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#include <iostream>
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#include <string>
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#include "histogram.h"
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#include "text.h"
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using namespace std;
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int main() {
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const size_t WIDTH = 80;
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const size_t MAX_ASTERISK = WIDTH - 3 - 1;
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size_t i, j;
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size_t number_count;
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cerr << "insert number count: \n";
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cin >> number_count;
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vector <double> numbers(number_count);
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cerr << "insert numbers: \n";
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for (i = 0; i < number_count; i++) {
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cin >> numbers[i];
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}
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size_t bin_count;
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cerr << "insert bin count: \n";
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cin >> bin_count;
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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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};
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Input
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input_data() {
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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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Input in;
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in.numbers.resize(number_count);
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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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vector<size_t> bins(bin_count);
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double min, max;
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min = numbers[0];
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max = numbers[0];
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for (double x : numbers) {
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if (x < min) {
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min = x;
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}
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else if (x > max) {
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max = x;
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}
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}
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for (i = 0; i < number_count; i++) {
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for (j = number_count - 1; j > i; j--) {
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if (numbers[i] == numbers[j]) {
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numbers.erase(numbers.begin() + j);
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number_count = number_count - 1;
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}
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}
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}
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for (i = 0; i < number_count; i++) {
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cout << numbers[i];
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}
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cout << "\n";
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double bin_size = (max - min) / bin_count;
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for (i = 0; i < number_count; i++) {
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bool found = false;
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for (j = 0; (j < bin_count && !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]) && (hi > numbers[i])) {
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bins[j]++;
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found = true;
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}
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}
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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 in;
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}
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size_t maxcount = bins[0];
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for (size_t x : bins) {
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if (x > maxcount) {
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maxcount = x;
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}
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}
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int main()
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{
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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 height = 0;
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for (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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if (maxcount > 76) {
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height = MAX_ASTERISK * (static_cast<double>(bins[i]) / maxcount);
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}
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for (j = 0; j < height; j++) {
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cout << "*";
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}
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cout << "\n";
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}
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return 0;
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}
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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_text(bins, MAX_ASTERISK, in.bin_count);
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return 0;
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}
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@ -0,0 +1,29 @@
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#include "text.h"
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#include <string>
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#include <iostream>
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using namespace std;
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void
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show_histogram_text(const vector<double>& bins, size_t MAX_ASTERISK, size_t bin_count) {
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double max_count = bins[0];
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for (double x : bins) {
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if (x > max_count) {
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max_count = x;
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}
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}
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for (int i = 0; i < bin_count; i++) {
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double count = bins[i];
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size_t height = MAX_ASTERISK * (static_cast<double>(count) / max_count);
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string line(height, '*');
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if (bins[i] < 100)
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{
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cout << ' ';
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}
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if (bins[i] < 10)
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{
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cout << ' ';
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}
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cout << bins[i] << "|" << line << endl;
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}
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}
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@ -0,0 +1,5 @@
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#pragma once
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#include <vector>
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void
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show_histogram_text(const std::vector<double>& bins, size_t MAX_ASTERISK, size_t bin_count);
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