Clockwise Matrix

#include "stdafx.h"
#include <iostream>

using namespace std;

void left();
void bottom();
void right();
void top();
void printFrame();

const int x = 5;
const int y = 5;

int fillNumber = 0;
int goInside = 0;
int matrix[y][x] =
{
    { 1,   2,   3,   4,   5 },
    { 16,   17, 18,  19,  6 },
    { 15,   24, 25, 20,   7 },
    { 14,   23,  22, 21,  8 },
    { 13,   12,  11, 10,  9 }
};

void main()
{
    while (fillNumber <= x * y) { // 5 x 5 = 25
        printFrame();
        goInside++;
    }
}

void left()
{
    for (int i = y - 2 -goInside; i >= 1 + goInside; i--)
    {
        cout << matrix[i][0 + goInside] << " ";
        fillNumber++;
    }
}

void right() {
    for (int i = 1 + goInside; i < y - goInside; i++) {
        cout << matrix[i][x - 1 - goInside] << " ";
        fillNumber++;
    }
}

void  top() {
    for (int i = 0 + goInside; i < x - goInside; i++) {
        cout << matrix[0 + goInside][i] << " ";
        fillNumber++;
    }
}

void bottom() {
    for (int i = x - goInside - 2; i >= 0 + goInside; i--) {
        cout << matrix[y - 1 - goInside][i] << " ";
        fillNumber++;
    }
}

void printFrame()
{
    top();
    right();
    bottom();
    left();
}