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78 строки
1.8 KiB
Plaintext
78 строки
1.8 KiB
Plaintext
#include <iostream>
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#include <vector>
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#include <algorithm>
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using namespace std;
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int main()
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{
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size_t number_count, bin_count;
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cerr << "Enter number count: ";
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cin >> number_count;
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vector<double> numbers(number_count);
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cerr << "Enter the numbers:\n";
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for (size_t i = 0; i < number_count; ++i) {
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cerr << "Number " << i + 1 << ": ";
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cin >> numbers[i];
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}
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cerr << "Enter bin count: ";
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cin >> bin_count;
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vector<size_t> bins(bin_count);
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double min = numbers[0];
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double 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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double bin_size = (max - min) / bin_count;
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for (size_t i = 0; i < number_count; 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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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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size_t max_count = 0;
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for (size_t i = 0; i < bin_count; ++i) {
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if (bins[i] > max_count) {
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max_count = bins[i];
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}
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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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for (size_t i = 0; i < bin_count; ++i) {
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size_t height = 0;
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if (max_count != 0) {
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height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
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}
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cout << (bins[i] < 100 ? " " : "") << (bins[i] < 10 ? " " : "") << bins[i] << "|";
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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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