look/legacy/cpp/tast6/task3.cpp

#include <iostream>

void cyclic_shift(int**& matrix, int rows, int cols, const std::string& direction, int shift_count, bool rows_shift, bool cols_shift) {
    if (rows_shift) {
        shift_count %= rows;
        int** temp = new int*[rows];
        for (int i = 0; i < rows; ++i) {
            temp[i] = new int[cols];
        }
        if (direction == "up") {
            for (int i = 0; i < rows; ++i) {
                std::copy(matrix[(i + shift_count) % rows], matrix[(i + shift_count) % rows] + cols, temp[i]);
            }
        } else if (direction == "down") {
            for (int i = 0; i < rows; ++i) {
                std::copy(matrix[(i - shift_count + rows) % rows], matrix[(i - shift_count + rows) % rows] + cols, temp[i]);
            }
        }
        for (int i = 0; i < rows; ++i) {
            delete[] matrix[i];
        }
        delete[] matrix;
        matrix = temp;
    }

    if (cols_shift) {
        shift_count %= cols;
        for (int i = 0; i < rows; ++i) {
            if (direction == "right") {
                int* temp = new int[cols];
                for (int j = 0; j < cols; ++j) {
                    temp[j] = matrix[i][(j - shift_count + cols) % cols];
                }
                std::copy(temp, temp + cols, matrix[i]);
                delete[] temp;
            } else if (direction == "left") {
                int* temp = new int[cols];
                for (int j = 0; j < cols; ++j) {
                    temp[j] = matrix[i][(j + shift_count) % cols];
                }
                std::copy(temp, temp + cols, matrix[i]);
                delete[] temp;
            }
        }
    }
}

int main() {
    int rows = 3, cols = 3;
    int** matrix = new int*[rows];
    for (int i = 0; i < rows; ++i) {
        matrix[i] = new int[cols];
    }

    matrix[0][0] = 1; matrix[0][1] = 2; matrix[0][2] = 3;
    matrix[1][0] = 4; matrix[1][1] = 5; matrix[1][2] = 6;
    matrix[2][0] = 7; matrix[2][1] = 8; matrix[2][2] = 9;

    std::string direction = "right";
    int shift_count = 1;

    cyclic_shift(matrix, rows, cols, direction, shift_count, false, true);

    for (int i = 0; i < rows; ++i) {
        for (int j = 0; j < cols; ++j) {
            std::cout << matrix[i][j] << " ";
        }
        std::cout << std::endl;
    }

    for (int i = 0; i < rows; ++i) {
        delete[] matrix[i];
    }
    delete[] matrix;

    return 0;
}