Родитель
0073bd7b08
Сommit
3dffa78118
@ -0,0 +1,82 @@
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#include <iostream>
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#include <vector>
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#include <cmath>
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const size_t WINDOW_WIDTH = 80;
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const size_t MAX_VALUE = WINDOW_WIDTH - 3 - 1;
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using namespace std;
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struct Input{
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vector <double> numbers;
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size_t bin_count = 0;
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};
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Input
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input_data(){
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size_t number_count;
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cin >> number_count;
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Input in;
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in.numbers.resize(number_count);
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for (size_t i = 0; i < number_count; i++) {
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cin >> in.numbers[i];
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}
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cin >> in.bin_count;
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return in;
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}
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void
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find_minmax(const vector <double> &numbers, double &min, double &max){
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min = numbers[0];
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max = numbers[0];
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for (float now: numbers){
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if (now < min) {min = now;}
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if (now > max) {max = now;}
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}
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return;
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}
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vector <size_t>
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make_histogram(vector <double> numbers, size_t bin_count){
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vector <size_t> bins(bin_count);
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double min = 0, max = 0;
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find_minmax(numbers, min, max);
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double bin_size = (max - min) / bin_count;
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double lo = min, hi = min + bin_size;
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for (size_t i = 0; i < bin_count; i++){
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for (auto now : numbers){
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if (i == bin_count - 1) {
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if ((now >= lo) && (now <= hi)) {bins[i]++;}
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}
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else {
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if ((now >= lo) && (now < hi)) {bins[i]++;}
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}
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}
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lo = hi; hi += bin_size;
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}
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return bins;
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}
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void show_histogram_text(const vector <size_t> &bins){
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size_t max_count = 0;
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for (auto now: bins)
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{if (now > max_count) {max_count = now;}}
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cout << "mc = " << max_count << endl;
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for (size_t now : bins){
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if (now < 100) {cout << ' ';} if (now < 10) {cout << ' ';} //ôîðìàòèðîâàíèå ñòðîê
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cout << now << "|";
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int height;
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if (now == max_count) {height = MAX_VALUE * 1.0;}
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else {height = MAX_VALUE * (static_cast <double> (now) / max_count);}
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for (int i = 0; i < round(height); i++) {cout << "*";}
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cout << endl;
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}
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}
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int
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main(){
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double min = 0, max = 0;
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Input in = input_data();
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auto bins = make_histogram(in.numbers, in.bin_count);
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for (auto now: bins) {cout << now << endl;}
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show_histogram_text(bins);
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return 0;
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}
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Ссылка в новой задаче