|  |  |  | @ -3,8 +3,8 @@ | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | #include <iostream> | 
			
		
	
		
			
				
					|  |  |  |  | #include <vector> | 
			
		
	
		
			
				
					|  |  |  |  | #define MAX_STR_LNG 80 | 
			
		
	
		
			
				
					|  |  |  |  | #define PREFIX 4 | 
			
		
	
		
			
				
					|  |  |  |  | #include "histogram.h" | 
			
		
	
		
			
				
					|  |  |  |  | #include "show_histogram.h" | 
			
		
	
		
			
				
					|  |  |  |  | using namespace std; | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | struct Input { | 
			
		
	
	
		
			
				
					|  |  |  | @ -25,92 +25,6 @@ Input input_data() | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  |     return in; | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | void find_minmax(const 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; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
					|  |  |  |  | vector<double> make_histogram(const vector<double>& numbers, size_t bin_count) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  |     vector <double> bins; | 
			
		
	
		
			
				
					|  |  |  |  |     double min, max; | 
			
		
	
		
			
				
					|  |  |  |  |     find_minmax(numbers, min, max); | 
			
		
	
		
			
				
					|  |  |  |  |     int number_count = numbers.size(); | 
			
		
	
		
			
				
					|  |  |  |  |     bins.resize(bin_count); | 
			
		
	
		
			
				
					|  |  |  |  |     double bin_size = (max - min) / bin_count; | 
			
		
	
		
			
				
					|  |  |  |  |     for (int i = 0; i < number_count; i++) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |         bool found = false; | 
			
		
	
		
			
				
					|  |  |  |  |         for (int 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; | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | void show_histogram_text(const vector<double>& bins) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  |     //Находим максимум значений корзин
 | 
			
		
	
		
			
				
					|  |  |  |  |     int max_count = bins[0]; | 
			
		
	
		
			
				
					|  |  |  |  |     for (int x : bins) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |         if (x > max_count) max_count = x; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  |     //Определяем надо ли масштабировать данные
 | 
			
		
	
		
			
				
					|  |  |  |  |     int K; | 
			
		
	
		
			
				
					|  |  |  |  |     if (max_count <= (MAX_STR_LNG - PREFIX)) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |         K = 0; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  |     else | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |         K = 1; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |     //Строим гистограмму
 | 
			
		
	
		
			
				
					|  |  |  |  |     int cnt; | 
			
		
	
		
			
				
					|  |  |  |  |     int bin_sz = bins.size(); | 
			
		
	
		
			
				
					|  |  |  |  |     for (int i = 0; i < bin_sz; i++) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |         cout.width(3); | 
			
		
	
		
			
				
					|  |  |  |  |         cout.fill(' '); | 
			
		
	
		
			
				
					|  |  |  |  |         cout << bins[i] << "|"; | 
			
		
	
		
			
				
					|  |  |  |  |         if (K == 0) | 
			
		
	
		
			
				
					|  |  |  |  |             cnt = bins[i]; | 
			
		
	
		
			
				
					|  |  |  |  |         else | 
			
		
	
		
			
				
					|  |  |  |  |             cnt = bins[i] * (MAX_STR_LNG - PREFIX) / max_count; | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |         for (double j = 0; j < cnt; j++) { | 
			
		
	
		
			
				
					|  |  |  |  |             cout << "*"; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |         cout << endl; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  | int main() | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  |     auto in = input_data(); | 
			
		
	
	
		
			
				
					|  |  |  | 
 |