#include<stdlib.h>
#include<time.h>
#include "stdafx.h"
#include <iostream>
#define M 8
#define N 10
using namespace std;

void generujMaticuNahodne(int matica[M][N], int m, int n);
void vypisMaticu(int matica[M][N], int m, int n);
void minusujRiadok(int matica[M][N], int m, int n, unsigned short R);
void vynasob2Obvod(int matica[M][N], int m, int n);
void odpocitajStlpecOdStlpca(int matica[M][N], int m, int n, unsigned short S1, unsigned short S2);
unsigned short pocetRovnakychPrvkovVStlpcoch(int matica[M][N], int m, int n, unsigned short S1, unsigned short S2);
bool obsahujeRiadokNeparneCislo(int matica[M][N], int m, int n, unsigned short R);

int main()
{
	int m = 8;
	int n = 10;
	unsigned short R1, R2, S1, S2, S3, S4;
	int MATICA[M][N];
	generujMaticuNahodne(MATICA, m, n);
	vypisMaticu(MATICA, m, n);
	cout << "Zadaj index riadku " << endl;
	cin >> R1;
	minusujRiadok(MATICA, m, n, R1);
	vypisMaticu(MATICA, m, n);
	cout << endl;
	vynasob2Obvod(MATICA, m, n);
	vypisMaticu(MATICA, m, n);
	cout << "Zadaj prvy stlpec ";
	cin >> S1;
	cout << "Zadaj druhy stlpec ";
	cin >> S2;
	odpocitajStlpecOdStlpca(MATICA, m, n, S1, S2);
	vypisMaticu(MATICA, m, n);
	cout << "Zadaj prvy stlpec ";
	cin >> S3;
	cout << "Zadaj druhy stlpec ";
	cin >> S4;
	cout << "Pocet rovnakych prvkov v zadanych stlpcoch je : " << pocetRovnakychPrvkovVStlpcoch(MATICA, m, n, S3, S4) << endl;
	cout << "Zadaj index riadku : ";
	cin >> R2;
	if (obsahujeRiadokNeparneCislo(MATICA, m, n, R2))
	{
		cout << "Riadok obsahuje neparne cislo" << endl;
	}
	else
		cout << "neobsahuje neparne cislo" << endl;



	system("pause");
	return 0;
}


void generujMaticuNahodne(int matica[M][N], int m, int n)
{
	for (int i = 0; i < m; i++)
	{
		for (int j = 0; j < n; j++)
		{
			matica[i][j] = -30 + (rand() % (-10 - (-30) + 1));
		}
	}
}

void vypisMaticu(int matica[M][N], int m, int n)
{
	for (int i = 0; i < m; i++)
	{
		for (int j = 0; j < n; j++)
		{
			cout << matica[i][j] << "\t";
		}
		cout << endl;
	}
}

void minusujRiadok(int matica[M][N], int m, int n, unsigned short R)
{
	for (int i = 0; i < m; i++)
	{
		for (int j = 0; j < n; j++)
		{
			if (i == R-1)
			{
				matica[i][j] *= -1;
			}
		}
	}
}

void vynasob2Obvod(int matica[M][N], int m, int n)
{
	for (int i = 0; i < m; i++)
	{
		for (int j = 0; j < n; j++)
		{
			if (i == 0 || i == m - 1 || j == 0 || j == n - 1)
				matica[i][j] = matica[i][j] * 2;
		}
	}
}

void odpocitajStlpecOdStlpca(int matica[M][N], int m, int n, unsigned short S1, unsigned short S2)
{
	for (int i = 0; i < m; i++)
	{
		for (int j = 0; j < n; j++)
		{
			if (j == S1)
			{
				matica[i][S2] -= matica[i][S1];
			}

		}
	}
}

unsigned short pocetRovnakychPrvkovVStlpcoch(int matica[M][N], int m, int n, unsigned short S1, unsigned short S2)
{
	unsigned short pocetRovnakych = 0;
	for (int i = 0; i < m; i++)
	{
		if (matica[i][S1] == matica[i][S2])
			pocetRovnakych++;
	}
	return pocetRovnakych;
}

bool obsahujeRiadokNeparneCislo(int matica[M][N], int m, int n, unsigned short R)
{
	unsigned short neparne = 0;
	for (int i = 0; i < m; i++)
	{

		for (int j = 0; j < n; j++)
		{
			if (i == R)
			{
				if (matica[R][j] % 2 == 1)
					neparne++;
			}
		}
	}
	if (neparne > 0) return true;
	else return false;
}