Sliding Tiles

#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <cmath>
#include <math.h>
#include <time.h>
#include <cstdlib>
#include <ctime>
#include <string>
#include <cstring>
#include <string.h>



using namespace std;

int boardSize;
int a[100][100];
int seedValue;
char arrow;
int counter = 0;
int exchange;
bool finish = 0;
string s;
int x, y;

void make_board() {
	for (int i = 1; i <= boardSize; i++) {
		for (int j = 1; j <= boardSize; j++) {
			if (i == 1 && j == 1)
				a[i][j] = -1;
			else
				a[i][j] = rand() % 10;
		}
	}
}

void matrica() {
	for (int i = 1; i <= boardSize; i++){
		for (int j = 1; j <= boardSize; j++){
			cout << " ---";
		}
		cout << endl;
		for (int j = 1; j <= boardSize; j++){
			if (a[i][j] == -1){
				cout << "| " << "  ";
			}
			else{
				cout << "| " << a[i][j] << " ";
			}
		}
		cout << "|";
		cout << endl;
	}
	for (int j = 1; j <= boardSize; j++){
		cout << " ---";
	}
}

void win() {
	bool ok = true;
	for (int i = 1; i <= boardSize; i++){
		for (int j = 1; j <= boardSize; j++){
			if (i == boardSize && j == boardSize)
				break;
			if (a[i][j] < a[i][j - 1] && j > 1)
				ok = false;
			if (a[i][j] < a[i - 1][boardSize] && i > 1 && j == 1)
				ok = false;
		}
	}
	if (a[boardSize][boardSize] != -1)
		ok = false;
	if (ok == false)
		return;
	else {
		cout << "Complete!" << endl;
		exit(0);
	}

}

bool ok(char h) {
	if (h == 'l' && y - 1 == 0)
		return false;
	else if (h == 'r' && y + 1 == boardSize + 1)
		return false;
	else if (h == 'u' && x - 1 == 0)
		return false;
	else if (h == 'd' && x + 1 == boardSize + 1)
		return false;
	return true;
}

void direction() {
	while (true) {
		cout << "Slide the empty cell:";
		cin >> arrow;
		if (ok(arrow))
			break;
	}
	if (arrow == 'r'){
		swap(a[x][y], a[x][y + 1]);
		y = y + 1;
	}
	if (arrow == 'l'){
		swap(a[x][y], a[x][y - 1]);
		y = y - 1;
}
	if (arrow == 'd'){
		swap(a[x][y], a[x + 1][y]);
		x = x + 1;
		}
	if (arrow == 'u'){
		swap(a[x][y], a[x - 1][y]);
		x = x - 1;
		}
}

int main() {


	cout << "Welcome to Sliding Tiles!" << endl;

	while (true){
		cout << "Choose a board size [3+]:";
		cin >> boardSize;
		getline(cin, s);
		cout << endl;
		if (boardSize >= 3 && boardSize <= 4){
			break;
		}
		else if (boardSize < 3) {
			cout << boardSize << "is an invalid number";
		}
		else{
			cout << boardSize << " is not supported" << endl;
		}
	}


	cout << "Input a seed value:";
	cin >> seedValue;
	getline(cin, s);
	cout << endl;


	srand(seedValue);

	make_board();

	x = 1;
	y = 1;

	while (true){
		matrica();
		win();
		direction();
	}

}