исходный код

main.cpp

@@ -0,0 +1,102 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+	size_t numbers, columns, count;
+	float minn, maxx, diff, lo, hi;
+
+	cerr << "Quantity of numbers = "; cin >> numbers;
+	vector<float> xs(numbers);
+	cerr << "Enter your numbers: ";
+
+	for (int i = 0; i < numbers; ++i)
+	{
+		cin >> xs[i];
+	}
+
+	cerr << "Columns = "; cin >> columns;
+	vector<size_t> a(columns);
+
+	maxx = xs[0];
+	minn = xs[0];
+	for (int i = 0; i < numbers; i++)
+	{
+		if (xs[i] > maxx)
+			maxx = xs[i];
+		else
+		{
+			if (xs[i] < minn)
+				minn = xs[i];
+		}
+	}
+
+
+	diff = (maxx - minn) / columns;
+	lo = minn;
+
+	size_t max_count = 0;
+	for (int i = 0; i < columns; ++i)
+	{
+		count = 0;
+
+		if (i != columns - 1)
+		{
+			hi = lo + diff;
+		}
+		else
+		{
+			hi = maxx;
+		}
+		for (int j = 0; j < numbers; j++)
+		{
+			if (i == 0)
+			{
+				if ((xs[j] >= lo) && (xs[j] <= hi))
+					count++;
+			}
+
+			else
+			{
+				if ((xs[j] > lo) && (xs[j] <= hi))
+					count++;
+			}
+		}
+		a[i] = count;
+		lo = hi;
+
+		if (max_count < a[i])
+			max_count = a[i];
+	}
+
+	const size_t SCREEN_WIDTH = 80;
+	const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+	size_t height;
+	for (int i = 0; i < columns; i++)
+	{
+
+		if (a[i] == 0)
+			continue;
+
+		if (a[i] < 10)
+			cout << "  ";
+		else
+			if (a[i] < 100)
+				cout << " ";
+
+		cout << a[i] << "|";
+
+		if (max_count > MAX_ASTERISK)
+			height = MAX_ASTERISK * (static_cast<double>(a[i]) / max_count);
+		else
+			height = a[i];
+
+		for (int j = 0; j < height; j++)
+		{
+			cout << "*";
+		}
+		cout << endl;
+	}
+
+}