160 lines
3.9 KiB
C++
160 lines
3.9 KiB
C++
#include <cstring>
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#include <iostream>
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#include <stdexcept>
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using namespace std;
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class DynArr {
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private:
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int* arr;
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uint size;
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public:
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void set(uint index, int value)
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{
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if (index < size) {
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if (-100 <= value && value <= 100) {
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arr[index] = value;
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} else {
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throw invalid_argument("Element is not in [-100; 100]!");
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}
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} else {
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throw out_of_range("Tried to set element out of array bounds!");
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}
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}
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int get(uint index)
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{
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if (index < size) {
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return arr[index];
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}
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throw out_of_range("Tried to get element out of array bounds!");
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return 0;
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}
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uint length()
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{
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return size;
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}
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void print()
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{
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cout << "Size is " << size << endl;
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for (uint i = 0; i < size; i++) {
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cout << arr[i] << " ";
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}
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cout << "\n";
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}
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void dynAdd(int value)
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{
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if (!(-100 <= value && value <= 100)) {
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throw invalid_argument("Element is not in [-100; 100]!");
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}
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int* newArr = new int[size + 1];
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memcpy(newArr, arr, sizeof(int) * size);
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delete[] arr;
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arr = newArr;
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arr[size] = value;
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size = size + 1;
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}
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DynArr operator+(const DynArr& second)
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{
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DynArr result(second);
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uint target_size = size;
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if (second.size < size)
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target_size = second.size;
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for (uint i = 0; i < target_size; i++) {
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result.set(i, result.get(i) + arr[i]);
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}
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return result;
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}
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DynArr operator-(const DynArr& second)
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{
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DynArr result(second);
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uint target_size = size;
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if (second.size < size)
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target_size = second.size;
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for (uint i = 0; i < target_size; i++) {
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result.set(i, arr[i] - result.get(i));
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}
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return result;
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}
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DynArr(uint dsize)
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{
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arr = new int[dsize];
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size = dsize;
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for (uint i = 0; i < size; i++) {
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arr[i] = rand() % 100;
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}
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}
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DynArr(const DynArr& original)
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{
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size = original.size;
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arr = new int[original.size];
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memcpy(arr, original.arr, sizeof(int) * size);
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}
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~DynArr()
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{
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delete[] arr;
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}
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};
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int main()
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{
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int i, temp;
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cout << "Введите размер первого массива: ";
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cin >> i;
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DynArr arr(i);
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i = 0;
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while (i >= 0) {
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cout << "Введите номер элемента: ";
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cin >> i;
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if (i >= 0) {
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cout << "Введите его значение: ";
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cin >> temp;
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arr.set(i, temp);
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}
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}
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cout << "Первый массив:\n";
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arr.print();
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cout << "Введите размер второго массива: ";
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cin >> i;
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DynArr arr2(i);
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i = 0;
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while (i >= 0) {
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try {
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cout << "Введите номер элемента: ";
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cin >> i;
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if (i >= 0) {
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cout << "Введите его значение: ";
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cin >> temp;
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arr2.set(i, temp);
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}
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} catch (const std::out_of_range& e) {
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cerr << e.what() << endl;
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} catch (const std::invalid_argument& e) {
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cerr << "Invalid number" << endl;
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}
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}
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cout << "Первый массив:\n";
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arr.print();
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cout << "Второй массив:\n";
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arr2.print();
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cout << "Первый + второй:\n";
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try {
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(arr + arr2).print();
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} catch (const std::exception& e) {
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cerr << e.what() << endl;
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}
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cout << "Первый - второй:\n";
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try {
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(arr - arr2).print();
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} catch (const std::exception& e) {
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cerr << e.what() << endl;
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}
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cout << "Расширенный второй\n";
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arr2.dynAdd(80);
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arr2.print();
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return 0;
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} |