Initial commit

.gitignore

@@ -0,0 +1,4 @@
+/CMakeCache*
+/build
+.vscode
+.DS_Store

CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.20)
+
+# === Название проекта ===
+project(gorshkov_lab_1_6 VERSION 1.0 LANGUAGES CXX)
+
+# === Настройки компиляции ===
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+# === Пути к исходникам и заголовкам ===
+set(SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src")
+set(INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include")
+
+# === Рекурсивный поиск исходников ===
+file(GLOB_RECURSE SOURCES "${SRC_DIR}/*.cpp")
+
+# === Создание исполняемого файла ===
+add_executable(${PROJECT_NAME} ${SOURCES})
+
+# === Добавляем include-директорию ===
+target_include_directories(${PROJECT_NAME} PRIVATE ${INCLUDE_DIR})
+
+# === Рекомендованные предупреждения ===
+if (MSVC)
+    target_compile_options(${PROJECT_NAME} PRIVATE /W4 /permissive-)
+else()
+    target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic)
+endif()
+

include/labs.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <iostream>
+
+using namespace std;
+
+#define loop while (1)
+
+using LabF = function<void()>;
+
+void lab1();
+void lab2();
+void lab3();
+void lab4();
+void lab5();
+void lab6();
+
+double lab12_f1(double x);
+double lab12_f2(double v, double w);

src/funcs.cpp

@@ -0,0 +1,20 @@
+#include <labs.h>
+
+double lab12_f1(double x)
+{
+    if (x < 2.5)
+        return sqrt(abs(sin(x)) + 15.0) / 4.0;
+
+    return sqrt(abs(sin(x)) + 15.0) / 2.0;
+}
+
+double lab12_f2(double v, double w)
+{
+    if (w < 2)
+        return v - w * w;
+
+    if (w < 3)
+        return v * v - w;
+
+    return v;
+}

src/lab1.cpp

@@ -0,0 +1,21 @@
+#include <labs.h>
+
+void lab1()
+{
+    double x, y, z, v, w;
+
+    cout << "Enter x: ";
+    cin >> x;
+
+    y = lab12_f1(x);
+
+    cout << "Result y(" << x << ") = " << y << endl
+         << endl;
+
+    v = x;
+    cout << "V = " << v << endl;
+    cout << "Enter W: ";
+    cin >> w;
+    z = lab12_f2(v, w);
+    cout << "Result Z(" << v << ", " << w << ") = " << z << endl;
+}

src/lab2.cpp

@@ -0,0 +1,29 @@
+#include <labs.h>
+
+void lab2()
+{
+    double v, w, z, w_min, w_max;
+    int c;
+
+    cout << "Enter V: ";
+    cin >> v;
+
+    cout << "Enter W min: ";
+    cin >> w_min;
+    cout << "Enter W max: ";
+    cin >> w_max;
+
+    cout << "Enter count of points: ";
+    cin >> c;
+
+    for (int i = 0; i < c; i++)
+    {
+        cout << endl;
+
+        w = w_min + (w_max - w_min) * ((double)i / (c - 1));
+        cout << i + 1 << ". W = " << w << endl;
+
+        z = lab12_f2(v, w);
+        cout << "Result Z(" << v << ", " << w << ") = " << z << endl;
+    }
+}

src/lab3.cpp

@@ -0,0 +1,106 @@
+#include <labs.h>
+
+using IterationF = function<double(int i)>;
+using LoopF = function<double(int min, int max, IterationF &f)>;
+
+double iteration(double x, double i);
+double mp_for(int min, int max, IterationF &f);
+double mp_while(int min, int max, IterationF &f);
+double mp_do_while(int min, int max, IterationF &f);
+
+void lab3()
+{
+    LoopF loopF;
+    IterationF f;
+    double x, y;
+    int n;
+    char c;
+
+    cout << "Enter x: ";
+    cin >> x;
+
+    f = [=](int i)
+    { return iteration(x, i); };
+
+    cout
+        << "Enter N: ";
+    cin >> n;
+
+    loop // while (1)
+    {
+        cout << endl
+             << "Select mode (F/W/D): ";
+        cin >> c;
+
+        switch (c)
+        {
+        case 'f':
+        case 'F':
+            loopF = mp_for;
+            break;
+        case 'w':
+        case 'W':
+            loopF = mp_while;
+            break;
+        case 'd':
+        case 'D':
+            loopF = mp_do_while;
+            break;
+
+        default:
+            cout << "Invalid mode, exiting!" << endl;
+            return;
+        }
+
+        y = pow(loopF(1, n, f), 1.2 * x);
+        cout << "Result y(" << x << ") = " << y << endl;
+    }
+}
+
+double iteration(double x, double i)
+{
+    return 2.8 * pow(x, 4.5) + cbrt(i);
+}
+
+double mp_for(int min, int max, IterationF &f)
+{
+    double res = 1.0;
+
+    for (int i = min; i <= max; i++)
+    {
+        res += f(i);
+    }
+
+    return res;
+}
+
+double mp_while(int min, int max, IterationF &f)
+{
+    double res = 1.0;
+
+    int i = min;
+    while (i <= max)
+    {
+        res += f(i);
+        i++;
+    }
+
+    return res;
+}
+
+double mp_do_while(int min, int max, IterationF &f)
+{
+    double res = 1.0;
+
+    if (min >= max)
+        return res;
+
+    int i = min;
+    do
+    {
+        res += f(i);
+        i++;
+    } while (i <= max);
+
+    return res;
+}

src/lab4.cpp

@@ -0,0 +1,50 @@
+#include <labs.h>
+
+constexpr size_t LEN = 15;
+
+void lab4()
+{
+    int arr[LEN], d_min, d_max, sum;
+    size_t len;
+
+    cout << "Enter range min: ";
+    cin >> d_min;
+
+    cout << "Enter range max: ";
+    cin >> d_max;
+
+    cout << "Enter size of array (0-" << LEN << "): ";
+    cin >> len;
+
+    if (len > LEN)
+    {
+        cout << "Invalid size, exiting!" << endl;
+        return;
+    }
+
+    for (size_t i = 0; i < len; i++)
+    {
+        cout << "Enter arr[" << i << "]: ";
+        cin >> arr[i];
+    }
+
+    sum = 0;
+    for (size_t i = 0; i < len; i++)
+    {
+        if (d_min <= arr[i] && arr[i] <= d_max)
+            sum += arr[i];
+    }
+
+    cout << "Arr is { ";
+    for (size_t i = 0; i < len; i++)
+    {
+        cout << arr[i];
+
+        if (i < len - 1)
+            cout << ", ";
+        else
+            cout << " ";
+    }
+    cout << "}" << endl;
+    cout << "Sum of elements in range [" << d_min << "; " << d_max << "] is " << sum << endl;
+}

src/lab5.cpp

@@ -0,0 +1,56 @@
+#include <labs.h>
+
+constexpr size_t LEN = 5;
+
+void lab5()
+{
+    int arr[LEN][LEN], d_min, d_max, d_count, v_max_i, v_max_j;
+
+    cout << "Enter range min: ";
+    cin >> d_min;
+
+    cout << "Enter range max: ";
+    cin >> d_max;
+
+    for (size_t i = 0; i < LEN; i++)
+        for (size_t j = 0; j < LEN; j++)
+        {
+            cout << "Enter arr[" << i << "][" << j << "]: ";
+            cin >> arr[i][j];
+        }
+
+    v_max_i = v_max_j = 0;
+
+    d_count = 0;
+
+    for (size_t i = 0; i < LEN; i++)
+        for (size_t j = 0; j < LEN; j++)
+        {
+            if (d_min <= arr[i][j] && arr[i][j] <= d_max)
+                d_count++;
+
+            if (arr[i][j] > arr[v_max_i][v_max_j])
+            {
+                v_max_i = i;
+                v_max_j = j;
+            }
+        }
+
+    cout << "Matrix is {" << endl;
+    for (size_t i = 0; i < LEN; i++)
+    {
+
+        for (size_t j = 0; j < LEN; j++)
+        {
+
+            cout << '\t' << arr[i][j];
+
+            if (j < LEN - 1)
+                cout << ",";
+        }
+        cout << endl;
+    }
+    cout << "}" << endl;
+    cout << "Number of elements in range [" << d_min << "; " << d_max << "] is " << d_count << endl;
+    cout << "Highest element in array is arr[" << v_max_i << "][" << v_max_j << "] = " << arr[v_max_i][v_max_j] << endl;
+}

src/lab6.cpp

@@ -0,0 +1,62 @@
+#include <labs.h>
+
+template <size_t LEN>
+void make_array();
+void print_array(double array[], size_t len);
+
+void lab6()
+{
+    make_array<3>();
+    make_array<4>();
+    make_array<5>();
+}
+
+template <size_t LEN>
+void make_array()
+{
+    cout << "Making an array with size: " << LEN << endl;
+    double arr[LEN], v_min, v_max, d;
+
+    for (size_t i = 0; i < LEN; i++)
+    {
+        cout << "Enter arr[" << i << "]: ";
+        cin >> arr[i];
+    }
+
+    print_array(arr, LEN);
+
+    for (size_t i = 0; i < LEN; i++)
+    {
+        arr[i] /= 2.0;
+    }
+
+    v_min = v_max = arr[0];
+    for (size_t i = 0; i < LEN; i++)
+    {
+        if (arr[i] < v_min)
+            v_min = arr[i];
+        if (arr[i] > v_max)
+            v_max = arr[i];
+    }
+
+    print_array(arr, LEN);
+
+    d = v_max - v_min;
+    cout << "Result: D = " << d << endl
+         << endl;
+}
+
+void print_array(double arr[], size_t len)
+{
+    cout << "Arr is { ";
+    for (size_t i = 0; i < len; i++)
+    {
+        cout << arr[i];
+
+        if (i < len - 1)
+            cout << ", ";
+        else
+            cout << " ";
+    }
+    cout << "}" << endl;
+}

src/main.cpp

@@ -0,0 +1,24 @@
+#include <labs.h>
+
+double lab12_f1(double x);
+
+constexpr size_t LEN = 6;
+static LabF LABS[LEN] = {lab1, lab2, lab3, lab4, lab5, lab6};
+
+int main()
+{
+    size_t choice;
+    cout << "Choose lab (1-6): ";
+    cin >> choice;
+    cout << endl;
+
+    if (choice < 1 || choice > LEN)
+    {
+        cout << "Lab " << choice << " not exists, exiting!" << endl;
+        return 1;
+    }
+
+    LABS[choice - 1]();
+
+    return 0;
+}