code: исправление ошибок

master
EfimovaLA 11 месяцев назад
Родитель 13f7b6f632
Сommit 52e173740b

@ -1,38 +0,0 @@
#include "histogram.h"
#include <vector>
static 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<std::size_t> make_histogram(const std::vector<double> &numbers, size_t bin_count) {
double min = numbers[0];
double max = numbers[0];
find_minmax(numbers, min, max);
double bin_size = ( max - min ) / bin_count;
std::vector<std::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;
}

@ -1,10 +0,0 @@
#ifndef HISTOGRAM_H_INCLUDED
#define HISTOGRAM_H_INCLUDED
#include <vector>
std::vector<size_t>
make_histogram(const std::vector<double>& numbers, size_t bin_count);
#endif // HISTOGRAM_H_INCLUDED

@ -1,14 +1,14 @@
#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 SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1; const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
struct Input { struct Input
vector<double> numbers; {
std::vector<double> numbers;
size_t bin_count{}; size_t bin_count{};
}; };
@ -18,7 +18,7 @@ Input input_data()
cerr << "Enter number count:"; cerr << "Enter number count:";
cin >> number_count; cin >> number_count;
Input in; Input in;
in.numbers.resize(number_count); in.numbers.resize(number_count);
cerr << "Enter numbers: "; cerr << "Enter numbers: ";
@ -31,67 +31,61 @@ Input in;
return in; return in;
} }
void find_minmax(const vector<double> &numbers, double &min, double &max)
void find_minmax(vector<double>& numbers, double& min, double& max) { {
min = numbers[0]; min = numbers[0];
max = numbers[0]; max = numbers[0];
// (çäåñü êîä ïîèñêà ìèíèìóìà è ìàêñèìóìà) for ( double x : numbers )
for (double x : numbers){ {
if (x < min){ if ( x < min )
{
min = x; min = x;
} else if (x > max){ }
else if ( x > max )
{
max = x; max = x;
} }
} }
} }
vector<size_t> make_histogram(vector<double> &numbers, size_t bin_count) { vector<size_t> make_histogram(const vector<double> &numbers, size_t bin_count)
{
double min = numbers[0]; double min = numbers[0];
double max = numbers[0]; double max = numbers[0];
find_minmax(numbers, min, max); find_minmax(numbers, min, max);
double bin_size = (max - min) / bin_count; double bin_size = (max - min) / bin_count;
vector<size_t> bins (bin_count);
for (size_t i=0; i < numbers.size(); i++ ){ vector<size_t> bins (bin_count);
for (size_t i=0; i < numbers.size(); i++)
{
bool found = false; bool found = false;
for (size_t j = 0; (j < bin_count - 1) && !found; j++){ for (size_t j = 0; ( j < bin_count - 1) && !found; j++)
{
auto lo = min + j * bin_size; auto lo = min + j * bin_size;
auto hi = min + ( j + 1 ) * bin_size; auto hi = min + (j + 1) * bin_size;
if (lo <= numbers[i] && (numbers[i] < hi))
if (lo <= numbers[i] && (numbers[i] < hi)){ {
bins[j]++; bins[j]++;
found = true; found = true;
} }
} }
if (!found){ if (!found)
{
bins[bin_count-1]++; bins[bin_count-1]++;
} }
} }
return bins; return bins;
} }
void show_histogram_text(vector<size_t> &bins){ void show_histogram_text(const vector<size_t> &bins)
size_t maxbin = bins[0];
for (size_t i=1; i < bins.size(); i++){
if (maxbin < bins[i]){
maxbin = bins[i];
}
}
}
int main()
{ {
Input in = input_data();
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_text(bins);
size_t maxbin = bins[0]; size_t maxbin = bins[0];
for (size_t i=1; i < in.bin_count; i++){ for (size_t i=1; i < bins.size(); i++){
if (maxbin < bins[i]){ if (maxbin < bins[i]){
maxbin = bins[i]; maxbin = bins[i];
} }
} }
if (maxbin <= MAX_ASTERISK){ if (maxbin <= MAX_ASTERISK){
for (size_t i=0; i < in.bin_count; i++){ for (size_t i=0; i < bins.size(); i++){
if ((bins[i] < 1000)&&(bins[i] > 99)){ if ((bins[i] < 1000)&&(bins[i] > 99)){
cout << bins[i] << "|"; cout << bins[i] << "|";
for ( size_t j=0; j < bins[i]; j++ ){ for ( size_t j=0; j < bins[i]; j++ ){
@ -115,7 +109,7 @@ int main()
} }
} }
} else { } else {
for (size_t i=0; i < in.bin_count; i++){ for (size_t i=0; i < bins.size(); i++){
size_t heightG= MAX_ASTERISK * (static_cast<double>(bins[i]) / maxbin); size_t heightG= MAX_ASTERISK * (static_cast<double>(bins[i]) / maxbin);
if ((bins[i] < 1000)&&(bins[i] > 99)){ if ((bins[i] < 1000)&&(bins[i] > 99)){
@ -144,4 +138,14 @@ int main()
} }
} }
int main(){
Input in = input_data();
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_text(bins);
}

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