изменил main.cpp, добавли histogram.h и histogram.cpp

master
Platon (MiachinPY) 4 недель назад
Родитель 5cb80b6277
Сommit e6b2c08e61

@ -0,0 +1,52 @@
#include <iostream>
#include <vector>
#include "histogram.h"
using namespace std;
void static find_minmax(const vector<double> &numbers, double &min, double &max)
{
min = numbers[0];
max = numbers[0];
for(double number : numbers)
{
if(number < min)
{
min = number;
}
if(number > max)
{
max = number;
}
}
return;
}
std::vector<size_t> make_histogram(std::vector<double>& numbers, size_t bin_count)
{
double min;
double max;
find_minmax (numbers, min, max);
double bin_size = (max - min) / bin_count;
vector<size_t> bins(bin_count);
for (size_t i = 0; i < numbers.size(); i++)
{
bool found = false;
for(size_t j = 0; (j < (bin_count - 1)) && !found; j++)
{
auto lo = min + j * bin_size;
auto hi = min + (j + 1) * bin_size;
if((lo <= numbers[i]) && (numbers[i] < hi))
{
bins[j]++;
found = true;
}
}
if (!found)
{
bins[bin_count-1]++;
}
}
return bins;
}

@ -0,0 +1,7 @@
#ifndef HISTOGRAM_H_INCLUDED
#define HISTOGRAM_H_INCLUDED
#include <vector>
std::vector<size_t> make_histogram(std::vector<double>& numbers, size_t bin_count);
#endif // HISTOGRAM_H_INCLUDED

@ -1,75 +1,75 @@
#include <iostream> #include <iostream>
#include <vector> #include <vector>
#include "histogram.h"
using namespace std; using namespace std;
int main() struct Input {
{ vector<double> numbers;
setlocale(LC_ALL, "Russian"); size_t bin_count{};
};
Input
input_data() {
size_t number_count, bin_count; size_t number_count, bin_count;
size_t max_count = 0; cerr << "Enter number count: ";
cerr << "Ââåäèòå êîëè÷åñòâî îöåíîê: ";
cin >> number_count; cin >> number_count;
Input in;
vector<double> numbers(number_count); in.numbers.resize(number_count);
for (size_t i = 0; i < number_count; i++)
for(size_t i = 0; i < number_count; i++){ {
cerr << "Ââåäèòå ÷èñëî " << i + 1 << " : "; cerr << "Enter Num[" << i << "]: ";
cin >> numbers[i]; cin >> in.numbers[i];
} }
cerr << "Enter bin count: "; cin >> bin_count;
cerr << "Enter bin count: ";
cin >> in.bin_count;
return in;
}
cerr << "Ââåäèòå êîëè÷åñòâî êîðçèí: "; void show_histogram_text(vector<size_t> bins, size_t bin_count){
cin >> bin_count; const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
vector<size_t> bins(bin_count, 0);
double min = numbers[0]; size_t max_bin = bins[0];
double max = numbers[0]; for(size_t i = 0; i < bin_count; i++)
for (size_t i = 1; i < number_count; i++) { {
if (numbers[i] < min) { if(bins[i] > max_bin)
min = numbers[i]; {
} max_bin = bins[i];
if (numbers[i] > max) {
max = numbers[i];
} }
} }
double bin_size = (max - min) / bin_count; for (size_t bin: bins)
{
size_t height = bin;
for (size_t i = 0; i < number_count; i++) { if (max_bin > MAX_ASTERISK)
bool found = false; {
for (size_t j = 0; (j < bin_count - 1) && !found; j++) { height = MAX_ASTERISK * (static_cast<double>(bin) / max_bin);
auto lo = min + j * bin_size;
auto hi = min + (j + 1) * bin_size;
if ((lo <= numbers[i]) && (numbers[i] < hi)) {
bins[j]++;
found = true;
}
}
if (!found) {
bins[bin_count - 1]++;
}
} }
//ìàêñèìóì ýëåìåíòîâ â êîðçèíå if (bin < 100)
for (size_t i = 0; i < bin_count; i++) { {
if (bins[i] > max_count) { cout << ' ';
max_count = bins[i];
} }
if (bin < 10)
{
cout << ' ';
} }
cout << bin << "|";
for (size_t i = 1; i <= max_count; i++) { //ïî òñðîêàì for(size_t i = 0; i < height; i++)
for (size_t j = 0; j < bin_count; j++) { //ïî êîðçèíàì {
if (bins[j] >= i) {
cout << "*"; cout << "*";
} else {
cout << " ";
}
} }
cout << endl; cout << endl;
} }
}
int main()
{
auto in = input_data();
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_text(bins, in.bin_count);
return 0; return 0;
} }

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