#include #include #include #include using namespace std; int factorial(int a) { if (a == 1) { return 1; } else { return a*factorial(a-1); } } // You can make function template, if you need int randInt(int minNum, int maxNum, int seed = time(0)) { srand(seed); int r = min(minNum, maxNum) + rand() % max(minNum, maxNum); return r; } int evenQuantity(int minNum, int maxNum) { return (maxNum - minNum) / 2 + 1; } template ALL* bubbleSort(ALL arr[], int size) { int temp; for (int i = 0; i < size - 1; i++) { for (int j = 0; j < size - i - 1; j++) { if (arr[j] > arr[j + 1]) { temp = arr[j]; arr[j] = arr[j + 1]; arr[j + 1] = temp; } } } return arr; } template void arrPrint(ALL *arr, int size) { cout << '['; if (size != 0) { for (int i = 0; i < size; i++) { if (i == 0) { cout << arr[i]; } else { cout << ',' << arr[i]; } } } cout << ']'; } class Decorator { public: Decorator(string str):text(str) { } string cit() { return "«" + text + "»"; // -- Sololearn Compiler don't support this сommas } string value() { return text; } string newParagraph() { string res = "\n"; for (int i = 1; i <= indent; i++) { res = res + indentFill; } return res + text; } string framng(string framChar) { return "\n" + framChar + text + framChar; } void value(string str) { text = str; } void textIndent(int ind) { indent = ind; } void textIndentFill(string fillChar) { indentFill = fillChar; } ~Decorator() { } private: string text; int indent = 4; string indentFill = " "; }; int main() { cout << "5! = " << factorial(5) << endl; cout << "Random in range:" << endl; cout << "Min = 10" << endl; cout << "Max = 20" << endl; cout << "Seed (is optional argument. If not specified, the system time is used)" << endl; cout << "Random = " << randInt(10, 20) << endl; cout << "Even quantity:" << endl; cout << "Min = 10" << endl; cout << "Max = 20" << endl; cout << "Result = " << evenQuantity(10,20) << endl; cout << "Bubble sort & Array Print:" << endl; int array[] = {6,7,1,3,2,10,5,4,9,8}; cout << "Array = "; int size = sizeof(array) / sizeof(array[0]); arrPrint(array,size); cout << endl; cout << "Result = "; arrPrint(bubbleSort(array,size),size); cout << endl; cout << "Class \"Decorator\":" << endl; cout << "Create: Decorator ();" << endl; Decorator text("This is citation"); cout << ".cit() - Returns a string enclosed in « »" << endl; cout << "Input = This is citation" << endl; cout << "Output = " << text.cit() << endl; cout << ".value() - Changes the text to the specified or returns a string if no text is specified" << endl; cout << "For example:" << endl; cout << "Decorator test(\"Some text\");" << endl; Decorator test("Some text"); cout << "test.value(); //Output: " << test.value() << endl; cout << "test.value(\"Part II\");" << endl; test.value("Part II"); cout << "test.value(); //Output: " << test.value() << endl; cout << ".newParagraph() - create the indent before string and fill it" << endl; cout << ".textIndent(); - The number of characters to indent" << endl; cout << ".textIndentFill(); - Filler" << endl; cout << "For example:" << endl; cout << "test.textIndent(4);" << endl; cout << "test.textIndentFill(\"-\");" << endl; test.textIndent(4); test.textIndentFill("-"); cout << "test.newParagraph(); //Output: " << test.newParagraph() << endl; cout << ".framing() - Inserts the specified string before and after the line" << endl; cout << "For example:" << endl; cout << "test.framing(\"@\"); //Output: " << test.framng("@") << endl; return 0; }

Some useful functions