main.cpp

@@ -1,34 +1,92 @@
 #include <iostream>
 #include <vector>
-#include "histogram.h"
-#include "text.h"
 using namespace std;
 
-struct Input {
-    vector<double> numbers;
-    size_t bin_count{};
-};
+int main(){
+
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 6 - 1;
+    size_t bin_count, counts;
+    cerr << "Enter counts:";
+    cin >> counts;
 
-Input
-input_data(){
-    Input in;
-    size_t number_count;
-    cin >> number_count;
-    in.numbers.resize(number_count);
+    vector <double> numbers(counts);
 
-    vector<double> numbers(number_count);
-for (size_t i = 0; i < number_count; i++) {
-    cin >> in.numbers[i];
+    for (size_t i = 0; i < counts; i++){
+        cerr << "Enter array "<< i <<" number:";
+        cin >> numbers[i];
     }
 
-    cin >> in.bin_count;
-    return in;
+    cerr << "Enter bin_count:";
+    cin >> bin_count;
+
+    double minN = numbers[0], maxN = numbers[0];
+
+    for (double x: numbers){
+        if (minN > x){
+            minN = x;
+        }
+        if (maxN < x){
+            maxN = x;
+        }
     }
 
-int main(){
-    size_t max_count;
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins,in.bin_count, max_count);
-return 0;
+    double diff = (maxN - minN) / bin_count;
+
+    vector <size_t> bins(bin_count);
+
+    size_t max_count = 0;
+    for (size_t i = 0; i < counts; i++){
+        bool found = false;
+        for (size_t j = 0;(j < bin_count - 1) && !found; j++){
+            auto lo = minN + j * diff;
+            auto hi = minN + (j + 1) * diff;
+            if ((lo <= numbers[i]) && (hi > numbers[i])){
+                bins[j]++;
+                if (bins[j] > max_count){
+                    max_count = bins[j];
+                }
+                found = true;
+            }
+        }
+        if(!found){
+            bins[bin_count - 1]++;
+            if (bins[bin_count - 1] > max_count){
+                    max_count = bins[bin_count - 1];
+            }
+        }
+    }
+
+    bool scaling = false;
+
+    if (max_count > MAX_ASTERISK){
+        scaling = true;
+    }
+
+    for (size_t i = 0; i < bin_count; i++){
+        cout << "   ";
+        if (bins[i] < 100){
+            cout << ' ';
+        }
+        if (bins[i] < 10){
+            cout << ' ';
+        }
+        cout << bins[i] << '|';
+
+        size_t number_of_stars = bins[i];
+
+        if (scaling){
+            if (bins[i] == max_count){
+                number_of_stars = MAX_ASTERISK * 1.0;
+            }
+            else {
+                number_of_stars = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
+            }
+        }
+
+        for (size_t j = 0; j < number_of_stars; j++){
+            cout << '*';
+        }
+        cout << endl;
+    }
 }