Add Lesson 2

Lesson_2/.gitignore

@@ -0,0 +1 @@
+*.pro

Lesson_2/Task_1/.gitignore

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+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+CMakeLists.txt.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+

Lesson_2/Task_1/main.cpp

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+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int accounts[10];
+
+    for (int account = 0; account < 10; ++account)
+        accounts[account] = 0;
+
+    while (true) {
+        int action = 0;
+
+        cout << "Enter action (1 - add money, 2 - remove money, 3 - display all balances): ";
+        cin >> action;
+
+        if (action == 1 || action == 2) {
+            int number = 0;
+            int money = 0;
+            cout << "Enter account number: ";
+            cin >> number;
+            if (number >= 0 && number < 10) {
+                cout << "Enter the amount of money: ";
+                cin >> money;
+                if (money > 0) {
+                    if (action == 1) {
+                        accounts[number] += money;
+                        cout << "Money added." << endl;
+                    } else if (accounts[number] >= money) {
+                        accounts[number] -= money;
+                        cout << "Money removed." << endl;
+                    } else
+                        cout << "Not enough money." << endl;
+                } else
+                    cout << "The amount must be positive." << endl;
+            } else
+                cout << "Invalid account number." << endl;
+        } else if (action == 3) {
+            for (int account = 0; account < 10; ++account)
+                cout << "Account " << account << ": " << accounts[account] << endl;
+        } else
+            cout << "Invalid action." << endl;
+    }
+
+
+    return 0;
+}

Lesson_2/Task_2/.gitignore

@@ -0,0 +1,74 @@
+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+CMakeLists.txt.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+

Lesson_2/Task_2/main.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int numbers[20];
+    int maximum = 0;
+    for (int number = 0; number < 20; ++number) {
+        cout << "Enter value: ";
+        cin >> numbers[number];
+        if (maximum < numbers[number])
+            maximum = numbers[number];
+        if (numbers[number] == 0)
+            break;
+    }
+
+    for (int number = 0; number < 20; ++number) {
+        if (numbers[number] == 0)
+            break;
+        int spaces = (maximum - numbers[number]) / 2;
+        for (int space = 0; space < spaces; ++space)
+            cout << " ";
+        for (int asterisk = 0; asterisk < numbers[number]; ++asterisk)
+            cout << "*";
+        cout << endl;
+    }
+    return 0;
+}

Lesson_2/Task_3/.gitignore

@@ -0,0 +1,74 @@
+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+CMakeLists.txt.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+

Lesson_2/Task_3/main.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int numbers[5];
+    int max = 0;
+    for (int number = 0; number < 5; ++number) {
+        cout << "Enter amount in " << number + 1 << " row: ";
+        cin >> numbers[number];
+        if (numbers[number] > max)
+            max = numbers[number];
+    }
+
+    for (int iteration = 0; iteration < max; ++iteration) {
+        for (int number = 0; number < 5; ++number) {
+            if (iteration < numbers[number])
+                cout << "*";
+            else
+                cout << " ";
+        }
+        cout << endl;
+    }
+
+    return 0;
+}

Lesson_2/Task_4/.gitignore

@@ -0,0 +1,74 @@
+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+CMakeLists.txt.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+

Lesson_2/Task_4/main.cpp

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+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    char str[256];
+    cout << "Enter some string: ";
+    cin.getline(str, 256);
+    int words = 1;
+
+    for (int character = 0; character < 256; ++character) {
+        if (str[character] == ' ')
+            ++words;
+        else if (str[character] == 0)
+            break;
+    }
+
+    cout << "Number of words: " << words << endl;
+
+    return 0;
+}

README.md

@@ -17,3 +17,10 @@ Checked means the task is Done.
 - [x] Task 5
 - [x] Task 6
 - [x] Task 7
+
+### Lesson 2
+
+- [ ] Task 1
+- [ ] Task 2
+- [ ] Task 3
+- [ ] Task 4