code: начальные файлы

lab1.cbp

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="lab1" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/lab1" 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/lab1" 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

@@ -0,0 +1,128 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main() {
+
+    size_t number_count, bin_count;
+    double min, max, bin_size;
+
+
+    cerr << "Enter the number of elements: ";
+    cin >> number_count;
+
+    vector<double> numbers(number_count);
+
+    cerr << "\nEnter " << number_count << " elements:" << endl;
+    for (size_t i = 0; i < number_count; i++) {
+        cin >> numbers[i];
+    }
+
+
+    cerr << "Enter the number of bins: ";
+    cin >> bin_count;
+
+    min = numbers[0];
+    max = numbers[0];
+    for (double x : numbers) {
+        if (x < min) {
+            min = x;
+        } else {
+            if (x > max) {
+                max = x;
+            }
+        }
+    }
+
+    bin_size = (max - min) / bin_count;
+
+    vector<size_t> bins(bin_count, 0);
+
+    for (size_t i = 0; i < number_count; 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 ((numbers[i] >= lo) && (numbers[i] <= hi)) {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    size_t max_count = bins[0];
+    for (size_t i = 1; i < bin_count; i++) {
+        if (bins[i] > max_count) {
+            max_count = bins[i];
+        }
+    }
+
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+
+    short space_count;
+
+    cerr << "\nHistogram:" << endl;
+
+    if (max_count <= MAX_ASTERISK) {
+        for (size_t i = 0; i < bin_count; i++) {
+            if (bins[i] < 10) {
+                space_count = 2;
+            } else if (bins[i] >= 10 && bins[i] < 100) {
+                space_count = 1;
+            } else if (bins[i] >= 100 && bins[i] < 1000) {
+                space_count = 0;
+            }
+
+
+
+            for (size_t k = 0; k < space_count; k++) {
+                cout << " ";
+            }
+
+            cout << bins[i];
+
+            cout << "|";
+
+
+            for (size_t j = 0; j < bins[i]; j++) {
+                cout << "*";
+            }
+
+            cout << "\n";
+        }
+    } else {
+        for (size_t i = 0; i < bin_count; i++) {
+            if (bins[i] < 10) {
+                space_count = 2;
+            } else if (bins[i] >= 10 && bins[i] < 100) {
+                space_count = 1;
+            } else if (bins[i] >= 100 && bins[i] < 1000) {
+                space_count = 0;
+            }
+
+
+            for (size_t k = 0; k < space_count; k++) {
+                cout << " ";
+            }
+
+            cout << bins[i];
+
+            cout << "|";
+
+            size_t height = static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count));
+            for (size_t j = 0; j < height; j++) {
+                cout << "*";
+            }
+
+            cout << "\n";
+        }
+    }
+
+    return 0;
+}