Anastasia 3 недель назад
Родитель 8a6ff01ca9
Сommit f55d2cdfd0

@ -0,0 +1,35 @@
#include "histogram.h"
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 <size_t>
make_histogram(const std::vector<double>& numbers, size_t bucket, size_t number_count) {
std::vector <size_t> stolb(bucket);
double min, max;
find_minmax(numbers, min, max);
float k = (max - min) / bucket;
for (size_t i = 0; i < bucket; i++) stolb[i] = 0;
for (size_t i = 0; i < number_count; i++)
{
bool flag = false;
for (size_t j = 0; (j < bucket && !flag); j++)
{
if (numbers[i] >= (min + k * j) && numbers[i] < (min + k * (1 + j)))
{
stolb[j]++;
flag = true;
}
}
if (!flag) stolb[bucket - 1]++;
}
return stolb;
}

@ -0,0 +1,9 @@
#ifndef HISTOGRAM_H_INCLUDED
#define HISTOGRAM_H_INCLUDED
#endif // HISTOGRAM_H_INCLUDED
#include <vector>
std::vector<size_t>
make_histogram(const std::vector<double>& numbers, size_t bin_count);
#pragma once

@ -1,6 +1,6 @@
#include <iostream>
#include <vector>
#include "histogram.h"
using namespace std;

@ -0,0 +1,26 @@
void
show_histogram_text(std::vector <size_t> stolb, size_t bucket) {
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
int maxlen = 0;
for (int j = 0; j < bucket; j++)
{
if (maxlen<stolb[j]) maxlen = stolb[j];
}
for (int j = 0; j < bucket; j++)
{
if (stolb[j] < 100) std::cout << " ";
if (stolb[j] < 10) std::cout << " ";
std::cout << stolb[j] << "|";
size_t height = stolb[j];
if (maxlen > MAX_ASTERISK)
{
if (maxlen != stolb[j]) height = MAX_ASTERISK * (static_cast <float> (stolb[j])/maxlen);
else if (maxlen == stolb[j]) height = MAX_ASTERISK;
}
for (int i = 0; i < height; i++) std::cout << "*";
std::cout << "\n";
}
}

@ -0,0 +1,10 @@
#ifndef TEXT_H_INCLUDED
#define TEXT_H_INCLUDED
#include <vector>
#include "text.cpp"
void
show_histogram_text(std::vector <size_t> stolb, size_t bucket);
#endif // TEXT_H_INCLUDED
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