Родитель
b6005a3d1d
Сommit
7df403d50d
@ -1,108 +0,0 @@
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#include <iostream>
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#include <vector>
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using namespace std;
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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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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 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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return in;
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}
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void 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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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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vector<size_t> make_histogram(const 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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vector<size_t> bins(bin_count, 0);
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double bin_size = (max - min) / bin_count;
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for (double number : numbers) {
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size_t bin_index = bin_count - 1; // default to last bin
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if (number < max) {
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bin_index = static_cast<size_t>((number - min) / bin_size);
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}
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bins[bin_index]++;
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}
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return bins;
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}
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void show_histogram_text(const vector<size_t>& bins) {
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size_t max_count = bins[0];
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for (size_t 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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if (max_count > MAX_ASTERISK) {
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for (size_t count : bins) {
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size_t height = MAX_ASTERISK * (static_cast<double>(count) / max_count);
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if (count < 10) {
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cout << " " << count << "|";
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} else if (count < 100) {
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cout << " " << count << "|";
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} else {
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cout << count << "|";
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}
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for (size_t i = 0; i < height; i++) {
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cout << "*";
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}
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cout << "\n";
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}
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} else {
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for (size_t x : bins) {
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if (x < 10) {
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cout << " " << x << "|";
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} else if (x < 100) {
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cout << " " << x << "|";
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} else {
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cout << x << "|";
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}
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for (size_t i = 0; i < x; i++) {
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cout << "*";
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}
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cout << "\n";
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}
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}
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}
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int main() {
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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);
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return 0;
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}
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