Начальное состояние проекта

lab-01.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="lab-01" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/lab-01" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/lab-01" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

main.cpp

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+#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;
+	}
+
+}