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3 Коммитов

Автор SHA1 Сообщение Дата
SmirnovFA
161fd910f1 code: point 4.1 took out the make_histogram and find_minmax functionsЭ 2024-06-05 03:49:49 +03:00
SmirnovFA
6cd71782fd code: point 2 add show_histogramm_text 2024-06-05 03:38:05 +03:00
SmirnovFA
17deb398d5 code: point 2 add make_histogramm 2024-06-05 03:29:10 +03:00
3 изменённых файлов: 83 добавлений и 64 удалений

50
histogram.cpp Обычный файл
Просмотреть файл

@@ -0,0 +1,50 @@
#include <iostream>
#include <vector>
using namespace std;
void
find_minmax(const std::vector<double> &numbers, double &min, double &max){
min = numbers[0];
max = numbers[0];
for (double x : numbers)
{
if (x < min)
{
min = x;
}
else if (x > max)
{
max = x;
}
}
}
std::vector<int>
make_histogram(std::vector<double> numbers, size_t bin_count){
double min;
double max;
vector<int> bins(bin_count);
find_minmax(numbers, min, max);
double bin_size = (max - min) / 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;
}

9
histogram.h Обычный файл
Просмотреть файл

@@ -0,0 +1,9 @@
#ifndef HISTOGRAM_H_INCLUDED
#define HISTOGRAM_H_INCLUDED
#include <vector>
#include <iostream>
std::vector<int>
make_histogram(std::vector<double> numbers, size_t bin_count);
#endif

Просмотреть файл

@@ -1,12 +1,16 @@
#include <iostream> #include <iostream>
#include <vector> #include <vector>
#include "histogram.h"
using namespace std; using namespace std;
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
struct struct
Input { Input {
vector<double> numbers; vector<double> numbers;
size_t bin_count{}; int bin_count{};
}; };
Input Input
@@ -18,80 +22,30 @@ input_data(){
for (size_t i = 0; i < number_count; i++) { for (size_t i = 0; i < number_count; i++) {
cin >> in.numbers[i]; cin >> in.numbers[i];
} }
size_t bin_count; int bin_count;
cin >> in.bin_count; cin >> in.bin_count;
return in; return in;
} }
void void
find_minmax(const std::vector<double> &numbers, double &min, double &max){ show_histogramm_text(vector<int> bins, vector<double> numbers, size_t bin_count){
min = numbers[0];
max = numbers[0];
for (double x : numbers)
{
if (x < min)
{
min = x;
}
else if (x > max)
{
max = x;
}
}
}
int
main()
{
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
Input in = input_data();
vector<size_t> bins(in.bin_count);
double min;
double max;
find_minmax(in.numbers, min, max);
size_t max_count; size_t max_count;
for (int i =0; i<in.bin_count;i++){ for (int i =0; i<bin_count;i++){
if (in.numbers[i]>max_count){ if (numbers[i]>max_count){
max_count=in.numbers[i]; max_count=numbers[i];
} }
} }
double bin_size = (max - min) / in.bin_count;
for (size_t i = 0; i < in.numbers.size(); i++)
{
bool found = false;
for (size_t j = 0; (j < in.bin_count - 1) && !found; j++)
{
auto lo = min + j * bin_size;
auto hi = min + (j + 1) * bin_size;
if ((lo <= in.numbers[i]) && (in.numbers[i] < hi))
{
bins[j]++;
found = true;
}
} for (int i =0; i<bin_count;i++){
if (!found)
{
bins[in.bin_count - 1]++;
}
}
for (int i =0; i<in.bin_count;i++){
if (bins[i]>max_count){ if (bins[i]>max_count){
max_count=bins[i]; max_count=bins[i];
} }
} }
//*cout<<max_count<<endl;
if (max_count>MAX_ASTERISK){ if (max_count>MAX_ASTERISK){
for (int i=0; i<in.bin_count; i++){ for (int i=0; i<bin_count; i++){
size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count); size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
if (bins[i]<10){ if (bins[i]<10){
cout<<" "<<bins[i]<<"|"; cout<<" "<<bins[i]<<"|";
@@ -117,7 +71,7 @@ main()
} }
}else{ }else{
for (int i=0; i<in.bin_count; i++){ for (int i=0; i<bin_count; i++){
if (bins[i]<10){ if (bins[i]<10){
cout<<" "<<bins[i]<<"|"; cout<<" "<<bins[i]<<"|";
for (int j=0;j<bins[i];j++){ for (int j=0;j<bins[i];j++){
@@ -142,10 +96,16 @@ main()
} }
} }
for (int i =0; i< in.bin_count;i++){ }
cout<<bins[i]<<" ";
}
return 0; int
main()
{
auto in = input_data();
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogramm_text(bins, in.numbers, in.bin_count);
} }