code: Добавлен вывод гистограммы

main
YusufovYB 2 лет назад
Родитель d9c7665954
Сommit 29407d722c

@ -4,7 +4,7 @@ using namespace std;
struct Input { struct Input {
vector<double> numbers; vector<double> numbers;
size_t bin_count {}; size_t bin_count{};
}; };
Input input_data() Input input_data()
@ -24,111 +24,95 @@ Input input_data()
return in; return in;
} }
void find_minmax( const vector<double>& numbers, double& minimum, double& maximum){ void find_minmax(const vector<double>& numbers, double& minimum, double& maximum) {
minimum = numbers[0]; minimum = numbers[0];
maximum = numbers[1]; maximum = numbers[1];
for(double i: numbers){ for (double i : numbers) {
if (i < minimum) if (i < minimum)
minimum = i; minimum = i;
if (i > maximum) if (i > maximum)
maximum = i; maximum = i;
} }
} }
vector<size_t> make_histogram(const vector<double>& numbers,size_t bin_count){ vector<size_t> make_histogram(const vector<double>&numbers, size_t bin_count) {
double maximum, minimum; double maximum, minimum;
float LL,LR; float LL, LR;
double bin_size = (maximum - minimum) / bin_count; find_minmax(numbers, minimum, maximum);
find_minmax(numbers,minimum,maximum); double bin_size = (maximum - minimum) / bin_count;
vector <size_t> bins(bin_count); vector <size_t> bins(bin_count);
LL = minimum; LL = minimum;
LR = minimum + bin_size; LR = minimum + bin_size;
for (int i = 0; i < bin_count; i++) { for (int i = 0; i < bin_count; i++) {
if (i == 0) { if (i == 0) {
for (int b = 0; b < numbers.size(); b++) { for (int b = 0; b < numbers.size(); b++) {
if ((LL <= numbers[b]) && (numbers[b] < LR)) if ((LL <= numbers[b]) && (numbers[b] < LR))
bins[i] += 1; bins[i] += 1;
}
LL = LR;
LR = LL + bin_size;
} }
LL = LR; if (i == (bin_count - 1)) {
LR = LL + bin_size; LR = maximum;
} for (int b = 0; b < numbers.size(); b++) {
if (i == (bin_count - 1)) { if ((LL < numbers[b]) && (numbers[b] <= LR))
LR = maximum; bins[i] += 1;
for (int b = 0; b < numbers.size(); b++) { }
if ((LL < numbers[b]) && (numbers[b] <= LR)) break;
bins[i] += 1; }
if ((i != 0) && (i != (bin_count - 1))) {
for (int b = 0; b < numbers.size(); b++) {
if ((LL < numbers[b]) && (numbers[b] < LR))
bins[i] += 1;
}
LL = LR;
LR = LL + bin_size;
} }
break;
} }
if ((i != 0) && (i != (bin_count - 1))) { return bins;
for (int b = 0; b < numbers.size(); b++) { }
if ((LL < numbers[b]) && (numbers[b] < LR)) void show_histogram_text(size_t bin_count, const vector<double>&numbers) {
bins[i] += 1;
vector <size_t> bins = make_histogram(numbers, bin_count);
size_t height;
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
int max_count = 0;
for (int i = 0; i < bin_count; i++) {
if (bins[i] > max_count)
max_count = bins[i];
}
for (int i = 0; i < bin_count; i++) {
if (bins[i] < 10) {
cout << " ";
} }
LL = LR; if (bins[i] < 100) {
LR = LL + bin_size; cout << " ";
}
cout << bins[i] << "|";
if (max_count > 76) {
height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
for (int b = 0; b < height; b++)
cout << "*";
}
else {
for (int b = 0; b < bins[i]; b++) {
cout << "*";
}
}
cout << endl;
} }
} }
return bins;
}
int main() { int main() {
auto in = input_data(); auto in = input_data();
auto bins = make_histogram(in.numbers,in.bin_count); auto bins = make_histogram(in.numbers, in.bin_count);
show_histogram_text(in.bin_count, in.numbers);
const size_t SCREEN_WIDTH = 80;
const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
max_count = 0;
for (int i = 0; i < bin_count; i++) {
if (bins[i] > max_count)
max_count = bins[i];
}
for (int i = 0; i < bin_count; i++) {
if ((i + 1) < bin_count)
he_next = bins[i + 1];
else
he_next = -1;
if (bins[i] < 10) {
cout << " ";
}
if (bins[i] < 100) {
cout << " ";
}
cout << bins[i] << "|";
if (max_count > 76) {
height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
if ((i+1) < bin_count)
he2_next = MAX_ASTERISK * (static_cast<double>(bins[i + 1]) / max_count);
else
he2_next = -1;
for (int b = 0; b < height; b++) {
if (b == he2_previous)
cout << "^";
if (b == he2_next)
cout << "˅";
if ((b != (he2_previous - 1)) && (b != (he2_next - 1)))
cout << "*";
}
he2_previous = height;
}
else {
for (int b = 0; b < bins[i]; b++) {
if (b == (he_previous-1))
cout << "^";
if (b == (he_next - 1))
cout << "v";
if ((b != (he_previous - 1)) && (b != (he_next - 1)))
cout << "*";
}
}
cout << endl;
he_previous = bins[i];
}
return 0; return 0;
} }

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