Matrix-CPP

// Матриь.cpp : Defines the entry point for the console application.
//

#include <iostream>
#include <iomanip>

using namespace std;

void print_array(int [], int [5][5]);

int main()
{
    int arr[25] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
                    16, 17, 18, 19, 20, 21, 22, 23, 24, 25 };
    int mat[5][5];

    print_array(arr, mat);

    for (int i = 0; i < 5; i++)
    {
        for (int j = 0; j < 5; j++)
            cout << setw(3) << mat[i][j];
        cout << endl;
    }

    return 0;
}


void print_array(int arr[], int mat[5][5])
{
    int top = 0, bottom = 5 - 1;
    int left = 0, right = 5 - 1;

    int index = 0;

    while (1)
    {
        if (top > bottom)
            break;
        // lqva kolona
        for (int i = top; i <= bottom; i++)
            mat[i][left] = arr[index++];
        left++;

        if (left > right)
            break;
        // dolen red
        for (int i = left; i <= right; i++)
            mat[bottom][i] = arr[index++];
        bottom--;

        if (top > bottom)
            break;
        // dqsna kolona
        for (int i = bottom; i >= top; i--)
            mat[i][right] = arr[index++];
        right--;

        if (left > right)
            break;
        // goren red
        for (int i = right; i >= left; i--)
            mat[top][i] = arr[index++];
        top++;
    }
}