96 строки
1.8 KiB
C++
96 строки
1.8 KiB
C++
#include <iostream>
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#include <vector>
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#include "histogram.h"
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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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using namespace std;
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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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return in;
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}
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void
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show_histogram_text(vector<size_t>& bins){
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size_t max_count = 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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}
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else if (count >= 100) {
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cout << count << "|";
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}
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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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}
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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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}
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else if (x >= 100) {
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cout << x << "|";
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}
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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
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main()
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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);
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return 0;
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}
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