KuybedaAY 4 дней назад
Родитель 8ada9f3fdd
Сommit 49d11fa294

@ -7,91 +7,82 @@ 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;
int main() { // Ñòðóêòóðà äëÿ âõîäíûõ äàííûõ
struct Input {
vector<double> numbers;
size_t bin_count{};
};
// Ôóíêöèÿ ââîäà äàííûõ
Input
input_data() {
Input in;
size_t number_count; size_t number_count;
cerr << "Enter number count: "; cerr << "Enter number count: ";
cin >> number_count; cin >> number_count;
in.numbers.resize(number_count);
vector<double> numbers(number_count);
cerr << "Enter " << number_count << " numbers: "; cerr << "Enter " << number_count << " numbers: ";
for (size_t i = 0; i < number_count; i++) { for (size_t i = 0; i < number_count; i++) {
cin >> numbers[i]; cin >> in.numbers[i];
} }
size_t bin_count;
cerr << "Enter bin count: "; cerr << "Enter bin count: ";
cin >> bin_count; cin >> in.bin_count;
return in;
}
double min = numeric_limits<double>::max(); // Ôóíêöèÿ ïîèñêà ìèíèìóìà è ìàêñèìóìà
double max = numeric_limits<double>::lowest(); void
find_minmax(const vector<double>& numbers, double& min, double& max) {
min = numeric_limits<double>::max();
max = numeric_limits<double>::lowest();
for (double x : numbers) { for (double x : numbers) {
if (x < min) { if (x < min) min = x;
min = x; if (x > max) max = x;
}
if (x > max) {
max = x;
}
} }
}
// Ôóíêöèÿ ñîçäàíèÿ ãèñòîãðàììû
vector<size_t>
make_histogram(const vector<double>& numbers, size_t bin_count) {
double min, max;
find_minmax(numbers, min, max);
double bin_size = (max - min) / bin_count; if (max == min) {
return vector<size_t>(bin_count, numbers.size());
}
double bin_size = (max - min) / bin_count;
vector<size_t> bins(bin_count, 0); vector<size_t> bins(bin_count, 0);
for (double x : numbers) {
for (size_t i = 0; i < numbers.size(); i++) { size_t bin_index = static_cast<size_t>((x - min) / bin_size);
bool found = false; if (bin_index >= bin_count) bin_index = bin_count - 1;
for (size_t j = 0; (j < bin_count - 1) && !found; j++) { bins[bin_index]++;
double lo = min + j * bin_size;
double hi = min + (j + 1) * bin_size;
if ((lo <= numbers[i]) && (numbers[i] < hi)) {
bins[j]++;
found = true;
}
} }
if (!found) { return bins;
bins[bin_count - 1]++; }
}
}
// Ôóíêöèÿ âûâîäà ãèñòîãðàììû
void
show_histogram_text(const vector<size_t>& bins) {
size_t max_count = 0; size_t max_count = 0;
for (size_t count : bins) { for (size_t count : bins) {
if (count > max_count) { if (count > max_count) max_count = count;
max_count = count;
} }
}
cerr << "Bin counts:" << endl; cerr << "Bin counts:" << endl;
for (size_t j = 0; j < bins.size(); j++) {
size_t height = (max_count > MAX_ASTERISK)
? static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[j]) / max_count))
: bins[j];
size_t height;
for (size_t j = 0; j < bin_count; j++) {
// Âû÷èñëÿåì âûñîòó ãèñòîãðàììû
if(max_count > 76){
height = (max_count > 0) ? static_cast<size_t>(76 * (static_cast<double>(bins[j]) / max_count)) : 0;
}
else{
height = bins[j];
}
// Âûâîäèì êîëè÷åñòâî â áèíå ñ ó÷åòîì ôîðìàòèðîâàíèÿ
if (bins[j] < 10) { if (bins[j] < 10) {
cout << " " << bins[j] << "|"; cout << " " << bins[j] << "|";
} else if (bins[j] < 100) { } else if (bins[j] < 100) {
@ -100,14 +91,16 @@ int main() {
cout << bins[j] << "|"; cout << bins[j] << "|";
} }
// Âûâîäèì ñèìâîëû '*' â ñîîòâåòñòâèè ñ âûñîòîé for (size_t k = 0; k < height; k++) cout << "*";
for (size_t k = 0; k < height; k++) {
cout << "*";
}
cout << endl; cout << endl;
} }
return 0;
} }
int
main() {
auto in = input_data();
auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_text(bins);
return 0;
}

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