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| #include <iostream>
#include <stdexcept>
#include <cstdlib>
#include <ctime>
class Matrix2D
{
public:
Matrix2D(void) = delete;
Matrix2D(const Matrix2D&) = delete;
Matrix2D(const Matrix2D&&) = delete;
Matrix2D& operator=(const Matrix2D&) = delete;
struct Coord
{
int x;
int y;
};
enum class RotateTo { Up, Down, Left, Right };
template<typename T, typename U>
static void Rotate(T **Matrix, const U &Rows, const U &Cols, const RotateTo &Key)
{
switch (Key)
{
case RotateTo::Up:
{
for (U j = 0; j < Cols; ++j)
{
T tmp = std::move(Matrix[0][j]);
for (U i = 0; i < (Rows - 1); ++i)
{
Matrix[i][j] = std::move(Matrix[i + 1][j]);
}
Matrix[Rows - 1][j] = std::move(tmp);
}
break;
}
case RotateTo::Down:
{
for (U j = 0; j < Cols; ++j)
{
T tmp = std::move(Matrix[Rows - 1][j]);
for (U i = Rows - 1; i > 0; --i)
{
Matrix[i][j] = std::move(Matrix[i - 1][j]);
}
Matrix[0][j] = std::move(tmp);
}
break;
}
case RotateTo::Left:
{
for (U i = 0; i < Rows; ++i)
{
T tmp = std::move(Matrix[i][0]);
for (U j = 0; j < (Cols - 1); ++j)
{
Matrix[i][j] = std::move(Matrix[i][j + 1]);
}
Matrix[i][Cols - 1] = std::move(tmp);
}
break;
}
case RotateTo::Right:
{
for (U i = 0; i < Rows; ++i)
{
T tmp = std::move(Matrix[i][Cols - 1]);
for (U j = Cols - 1; j > 0; --j)
{
Matrix[i][j] = std::move(Matrix[i][j - 1]);
}
Matrix[i][0] = std::move(tmp);
}
break;
}
default:
throw std::invalid_argument("You can use only Up/Down/Left/Right!");
}
}
template<typename T, typename U>
static void Print(T **Matrix, const U &Rows, const U &Cols)
{
for (U i = 0; i < Rows; ++i)
{
for (U j = 0; j < Cols; ++j)
{
std::cout << Matrix[i][j] << ' ';
}
std::cout << std::endl;
}
}
template<typename T, typename U>
static void MoveElemWith(T **Matrix, const U &Rows, const U &Cols, const Coord &From, const Coord &To)
{
Coord resPoint{ From.x - To.x, From.y - To.y };
while (resPoint.x || resPoint.y)
{
if (resPoint.x)
{
if (resPoint.x < 0)
{
Rotate(Matrix, SIZE_ROWS, SIZE_COLS, RotateTo::Down);
++resPoint.x;
}
else if (resPoint.x > 0)
{
Rotate(Matrix, SIZE_ROWS, SIZE_COLS, RotateTo::Up);
--resPoint.x;
}
}
if (resPoint.y)
{
if (resPoint.y < 0)
{
Rotate(Matrix, SIZE_ROWS, SIZE_COLS, RotateTo::Right);
++resPoint.y;
}
else if (resPoint.y > 0)
{
Rotate(Matrix, SIZE_ROWS, SIZE_COLS, RotateTo::Left);
--resPoint.y;
}
}
}
}
};
const unsigned SIZE_ROWS{ 4 };
const unsigned SIZE_COLS{ 4 };
const unsigned MAX_RAND{ 10 };
const Matrix2D::Coord point{ 1,1 };
typedef unsigned uint;
int main()
{
std::srand(uint(std::time(0)));
Matrix2D::Coord pMinElem{ 0,0 };
int **Matrix{ new int*[SIZE_ROWS] };
{
int min{ MAX_RAND };
for (uint i{ 0 }; i < SIZE_ROWS; ++i)
{
Matrix[i] = new int[SIZE_COLS];
for (uint j{ 0 }; j < SIZE_COLS; ++j)
{
Matrix[i][j] = rand() % MAX_RAND;
if (min > Matrix[i][j])
{
min = Matrix[i][j];
pMinElem = { static_cast<int>(i), static_cast<int>(j) };
}
}
}
}
Matrix2D::Print(Matrix, SIZE_ROWS, SIZE_COLS);
std::cout << std::endl;
Matrix2D::MoveElemWith(Matrix, SIZE_ROWS, SIZE_COLS, pMinElem, point);
Matrix2D::Print(Matrix, SIZE_ROWS, SIZE_COLS);
std::cout << std::endl;
for (uint i = 0; i < SIZE_ROWS; delete[] Matrix[i++]);
delete[] Matrix;
} |
(
