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@ -1,13 +1,12 @@
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#include <iostream>
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#include <vector>
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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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#include "text.h"
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#include "histogram.h"
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using namespace std;
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struct Input {
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vector<double> numbers;
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std::vector<double> numbers;
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size_t bin_count{};
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size_t number_count{};
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};
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Input
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input_data() {
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@ -22,72 +21,6 @@ input_data() {
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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(size_t x : numbers)
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{
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if(x < Min)
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{
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Min = x;
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}else
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{
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if(x > Max)
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{
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Max = x;
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}
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}
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}
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}
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vector<size_t>
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make_histogram(vector<double> numbers, size_t bin_count)
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{
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std::vector<size_t> bins(bin_count);
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double Min, Max;
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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 (double x : numbers)
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{
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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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{
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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 <= x) && (x < hi))
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{
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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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{
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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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void show_histogram_text(vector<size_t> bins, size_t bin_count)
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{
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size_t max_count = bins[0];
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for(size_t x : bins)
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{
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if(x > max_count)
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{
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max_count = x;
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}
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}
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for(size_t i = 0;i<bin_count;i++){
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size_t height = bins[i];
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printf("%3d:", bins[i]);
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if(max_count > MAX_ASTERISK)
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height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
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for(size_t j = 0;j<height;j++)
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{
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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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int main()
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{
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auto in = input_data();
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