Andrey 2 лет назад
Родитель 19165482b1
Сommit 1f33ec6256

@ -1,11 +1,11 @@
#include <iostream> #include <iostream>
#include <vector> #include <vector>
#include <cmath> #include <cmath>
#include "histogram.h"
using namespace std; using namespace std;
struct struct Input
Input
{ {
vector<double> numbers; vector<double> numbers;
size_t bin_count{}; size_t bin_count{};
@ -16,87 +16,25 @@ input_data()
{ {
size_t number_count; size_t number_count;
cerr << "vvedite col-vo numbers:";
cin >> number_count; cin >> number_count;
Input in; Input in;
in.numbers.resize(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 << "N[" << i << "]=";
cin >> in.numbers[i]; cin >> in.numbers[i];
} }
cerr << "vvedite col-vo count:";
cin >> in.bin_count; cin >> in.bin_count;
return in; return in;
} }
void
find_minmax(const vector<double>& numbers, double& min, double& max)
{
max = numbers[0];
min = numbers[0];
for(size_t i = 0; i < numbers.size(); i++)
{
if (numbers[i] > max) max = numbers[i];
if (numbers[i] < min) min = numbers[i];
}
}
void
make_histogram(vector<double>& bins, Input in)
{
double min, max;
find_minmax(in.numbers, min, max);
size_t cor_size = (max - min)/in.bin_count;
for (size_t i = 0; i < in.numbers.size(); i++)
{
bool flag = false;
for (size_t j = 0; (j < in.bin_count) && !flag; j++)
{
auto L = min + j*cor_size;
auto H = min + (j+1)*cor_size;
if ((L <= in.numbers[i]) && (in.numbers[i] <= H))
{
flag = true;
bins[j]++;
}
}
if (!flag) bins[in.bin_count-1]++;
}
}
void
show_histogram_text(vector<double> bins, Input in)
{
const size_t MAX_ASTERISK = 76;
int maxb = bins[0];
size_t H;
for (size_t j = 1; j < in.bin_count; j++)
{
if (bins[j] > maxb) maxb = bins[j];
}
for (size_t j = 0; j < in.bin_count; j++)
{
if (maxb > MAX_ASTERISK)
{
H = MAX_ASTERISK * (static_cast<double>(bins[j]) / maxb);
}
else H = bins[j];
if (bins[j] < 100) cout << " ";
if (bins[j] < 10) cout << " ";
cout << bins[j] << "|";
for (size_t i = 0; i < H; i++) cout << "*";
cout << endl;
}
}
int int
main() main()
{ {
auto in = input_data(); auto in = input_data();
vector<double> bins; auto bins = make_histogram(in.numbers, in.bin_count);
bins.resize(in.bin_count); show_histogram_text(bins, in.numbers, in.bin_count);
make_histogram(bins, in);
show_histogram_text(bins, in);
} }

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