KuybedaAY 3 дней назад
Родитель 49d11fa294
Сommit f6c1cece50

4
.gitignore поставляемый

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/bin
/obj
/obj
/lab1.depend
/lab1.layout

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#include "histogram.h"
#include <iostream>
#include <limits>
Input input_data() {
Input in;
size_t number_count;
std::cerr << "Enter number count: ";
std::cin >> number_count;
in.numbers.resize(number_count);
std::cerr << "Enter " << number_count << " numbers: ";
for (size_t i = 0; i < number_count; i++) {
std::cin >> in.numbers[i];
}
std::cerr << "Enter bin count: ";
std::cin >> in.bin_count;
return in;
}
void find_minmax(const std::vector<double>& numbers, double& min, double& max) {
min = std::numeric_limits<double>::max();
max = std::numeric_limits<double>::lowest();
for (double x : numbers) {
if (x < min) min = x;
if (x > max) max = x;
}
}
std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count) {
double min, max;
find_minmax(numbers, min, max);
if (max == min) {
return std::vector<size_t>(bin_count, numbers.size());
}
double bin_size = (max - min) / bin_count;
std::vector<size_t> bins(bin_count, 0);
for (double x : numbers) {
size_t bin_index = static_cast<size_t>((x - min) / bin_size);
if (bin_index >= bin_count) bin_index = bin_count - 1;
bins[bin_index]++;
}
return bins;
}
void show_histogram_text(const std::vector<size_t>& bins) {
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
size_t max_count = 0;
for (size_t count : bins) {
if (count > max_count) max_count = count;
}
std::cerr << "Bin counts:" << std::endl;
for (size_t j = 0; j < bins.size(); j++) {
size_t height = (max_count > MAX_ASTERISK)
? static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[j]) / max_count))
: bins[j];
if (bins[j] < 10) {
std::cout << " " << bins[j] << "|";
}
else if (bins[j] < 100) {
std::cout << " " << bins[j] << "|";
}
else {
std::cout << bins[j] << "|";
}
for (size_t k = 0; k < height; k++) std::cout << "*";
std::cout << std::endl;
}
}

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#pragma once
#include <vector>
struct Input {
std::vector<double> numbers;
size_t bin_count{};
};
Input input_data();
std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
void show_histogram_text(const std::vector<size_t>& bins);

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#pragma once
#include <vector>
void find_minmax(const std::vector<double>& numbers, double& min, double& max);

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#include <iostream>
#include <vector>
#include <limits>
#include "histogram.h"
using namespace std;
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
// Ñòðóêòóðà äëÿ âõîäíûõ äàííûõ
struct Input {
vector<double> numbers;
size_t bin_count{};
};
// Ôóíêöèÿ ââîäà äàííûõ
Input
input_data() {
Input in;
size_t number_count;
cerr << "Enter number count: ";
cin >> number_count;
in.numbers.resize(number_count);
cerr << "Enter " << number_count << " numbers: ";
for (size_t i = 0; i < number_count; i++) {
cin >> in.numbers[i];
}
cerr << "Enter bin count: ";
cin >> in.bin_count;
return in;
}
// Ôóíêöèÿ ïîèñêà ìèíèìóìà è ìàêñèìóìà
void
find_minmax(const vector<double>& numbers, double& min, double& max) {
min = numeric_limits<double>::max();
max = numeric_limits<double>::lowest();
for (double x : numbers) {
if (x < min) min = x;
if (x > max) max = x;
}
}
// Ôóíêöèÿ ñîçäàíèÿ ãèñòîãðàììû
vector<size_t>
make_histogram(const vector<double>& numbers, size_t bin_count) {
double min, max;
find_minmax(numbers, min, max);
if (max == min) {
return vector<size_t>(bin_count, numbers.size());
}
double bin_size = (max - min) / bin_count;
vector<size_t> bins(bin_count, 0);
for (double x : numbers) {
size_t bin_index = static_cast<size_t>((x - min) / bin_size);
if (bin_index >= bin_count) bin_index = bin_count - 1;
bins[bin_index]++;
}
return bins;
}
// Ôóíêöèÿ âûâîäà ãèñòîãðàììû
void
show_histogram_text(const vector<size_t>& bins) {
size_t max_count = 0;
for (size_t count : bins) {
if (count > max_count) max_count = count;
}
cerr << "Bin counts:" << endl;
for (size_t j = 0; j < bins.size(); j++) {
size_t height = (max_count > MAX_ASTERISK)
? static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[j]) / max_count))
: bins[j];
if (bins[j] < 10) {
cout << " " << bins[j] << "|";
} else if (bins[j] < 100) {
cout << " " << bins[j] << "|";
} else {
cout << bins[j] << "|";
}
for (size_t k = 0; k < height; k++) cout << "*";
cout << endl;
}
}
int
main() {
int main() {
auto in = input_data();
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_text(bins);
return 0;
}

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