code: исходный код

main.cpp

@@ -0,0 +1,85 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+const int max_length = 80;  // ìàêñèìàëüíàÿ äëèíà
+const int indent = 4;       // îòñòóï
+
+int main()
+{
+    size_t number_count, bin_count;
+    cerr << "Enter number count: ";
+    cin >> number_count;                       // ââîä êîë-âà îöåíîê
+    vector<double> numbers(number_count);
+    cerr << "Enter numbers: " << endl;
+    for (int i = 0; i < number_count; i++) {
+        cin >> numbers[i];                     // ââîä îöåíîê
+    }
+    cerr << "Enter bin count: ";
+    cin >> bin_count;                          // ââîä êîë-âà êîðçèí
+    vector<size_t> bins(bin_count);
+    for (int i = 0; i < bin_count; i++) {
+        bins[i] = 0;
+    }
+    double min = 5;
+    double max = 0;
+    for (int i = 0; i < number_count; i++) {   // îïðåäåëåíèå ìàêñ è ìèí îöåíîê
+        if (numbers[i] > max) {
+            max = numbers[i];
+        }
+        if (numbers[i] < min) {
+            min = numbers[i];
+        }
+    }
+    double bin_size = (max - min) / bin_count; // îïðåäåëåíèå ðàçìåðà êîðçèíû è øàãà
+    double step = bin_size;
+
+    for (int i = 0; i < number_count; i++) {
+        bool found = false;                                    // óñëîâèå âõîæäåíèÿ â êàêîé-ëèáî ïðîìåæóòîê, êðîìå ïîñëåäíåãî
+        for (int j = 0; (j < bin_count - 1) && !found; j++) {
+            double lo = min + j * bin_size;                    // íèæíÿÿ ãðàíèöà ïðîìåæóòêà
+            double hi = min + (j + 1) * bin_size;              // âåðõíÿÿ ãðàíèöà ïðîìåæóòêà
+            if ((lo <= numbers[i]) && (numbers[i] < hi)) {     // ïðîâåðêà óñëîâèÿ âõîæäåíèÿ ÷èñëà â ïðîìåæóòîê
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    double max_bin = bins[0];
+    int k;
+    for (int i = 0; i < bin_count; i++) {             // íàõîæäåíèå ìàêñ çíà÷åíèÿ bin[]
+        if (bins[i] > max_bin) {
+            max_bin = bins[i];
+        }
+    }
+    if (max_bin <= (max_length - indent)) {           // ñðàâíåíèå äëèíû ñòðîêè "*" ñ ìàêñèìàëüíîé äëèíîé âûâîäèìîé ñòðîêè
+        k = 0;
+    }
+    else {
+        k = 1;
+    }
+
+    cerr << endl;
+    int out;
+    for (int i = 0; i < bin_count; i++) {
+        cout.width(3);                                          // âûðàâíèâàíèå
+        cout.fill(' ');
+        cout << bins[i] << "|";
+        if (k == 0) {                                           // ìàñøòàáèðîâàíèå
+            out = bins[i];                                      // îáû÷íûé âûâîä
+        }
+        else {
+            out = bins[i] * (max_length - indent) / max_bin;    // ìàñøòàáèðîâàííûé âûâîä
+        }
+        for (int j = 0; j < out; j++) {
+            cout << "*";
+        }
+        cout << endl;
+    }
+    return 0;
+}