main.cpp

@@ -1,38 +1,85 @@
 #include <iostream>
 #include <vector>
-#include "histogram.h"
-#include "text.h"
-#include "svg.h"
-//#include "doctest.h"
 using namespace std;
 
-struct Input {
-    vector<double> numbers;
-    size_t bin_count{};
-    size_t block_width{};
-};
+int main()
+{
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
 
-Input input_data(istream& in_steam = cin) {
+    size_t number_count;
     cerr << "Enter number count: ";
     cin  >> number_count;
+    vector<double> numbers(number_count);
+    for (size_t i=0;i<number_count;i++){
+        cin >> numbers[i];
+    }
+
 
-    Input in;
-    in.numbers.resize(number_count);
+    size_t bin_count;
+    cerr << "Enter bin count: ";
+    cin  >> bin_count;
+    vector<size_t> bins(bin_count, 0);
+
+    double min = numbers[0];
+    double max = numbers[0];
+    for (double x: numbers) {
+        if (x<min) {
+            min = x;
+        }
+        else if (x > max) {
+            max = x;
+        }
+    }
+
+    double bin_size = (max - min) / bin_count;
 
     for(size_t i = 0; i<number_count; i++){
-        cin >> in.numbers[i];
+        bool found = false;
+        for(size_t 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 ]++;
+        }
     }
-    cerr << "Enter bin count: ";
-    cin >> in.bin_count;
 
-    return in;
+    size_t max_count = bins[0];
+    for (size_t i=0;i<bin_count;i++){
+        if (bins[i]>max_count){
+            max_count = bins[i];
+        }
     }
 
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] < 10) {
+            cout << "  " << bins[i] << "|";
+        }
+        else if (bins[i] < 100) {
+            cout << " " << bins[i] << "|";
+        }
+        else if (bins[i] < 1000) {
+            cout << bins[i] << "|";
+        }
 
-int main() {
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins, in.block_width);
+        size_t height;
+        if (max_count <= MAX_ASTERISK){
+            height = bins[i];
+        }
+        else {
+            height = MAX_ASTERISK*(static_cast<double>(bins[i])/max_count);
+        }
+        for (size_t j=0; j<height;j++){
+            cout << "*";
+        }
+        cout << endl;
+    }
 
+    return 0;
 }