#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <malloc.h>
#include <time.h>

void fillArray(int** arr, int n, int m);
void showArray(int** arr, int n, int m);
//void push_back(int**& arr, int n, int m);
void removeColumn(int** arr, int n, int m);




int main()
{
	setlocale(0, "rus");
	srand(time(NULL));
	int i = 0, j = 0;
	const int n = 5, m = 7, o = 7, p = 7;


	int** A = (int**)malloc(n * sizeof(int*));
	if (A == NULL) exit(1);
	if (A)
	{
		for (i = 0; i < n; ++i)
			A[i] = (int*)malloc(m * sizeof(int));
	}


	int** B = (int**)malloc(o * sizeof(int*));
	if (B == NULL) exit(1);
	if (B)
	{
		for (i = 0; i < o; ++i)
			B[i] = (int*)malloc(p * sizeof(int));
	}


	printf("Массив А до изменений:\n");
	fillArray(A, n, m);
	showArray(A, n, m);

	printf("\n");

	printf("Массив B до изменений:\n");
	fillArray(B, o, p);
	showArray(B, o, p);



	printf("Массив А после изменений:\n");
	for (int k = 0; k < m; ++k)
			removeColumn(A, n, m);

	showArray(A, n, m);






	printf("Массив B после изменений:\n");

}









void fillArray(int** arr, int n, int m)
{
	srand(time(NULL));
	for (int i = 0; i < n; ++i)
		for (int j = 0; j < m; ++j)
		{
			arr[i][j] = 5 - rand() % 10;
		}
}

void showArray(int** arr, int n, int m)
{
	for (int i = 0; i < n; ++i)
	{
		for (int j = 0; j < m; ++j)
		{
			printf("%i\t", arr[i][j]);
		}
		printf("\n");
	}
}

/*void push_back(int**& arr, int n, int m)
{
	int** tempArray = (int**)malloc(n * sizeof(int*));
	if (tempArray == NULL) exit(1);
	if (tempArray)
	{
		for (int i = 0; i < n; ++i)
			tempArray[i] = (int*)malloc(m * sizeof(int));
	}
	for (int i = 0; i < n; ++i)
		for (int j = 0; j < m; ++j)
			if (tempArray[j])
			{
				tempArray[j][i] = arr[j][i];
			}
	for (int i = 0; i < n; ++i)
		for (int j = 0; j < m; ++j)
			if (tempArray[j])
			{
				arr[j][i] = tempArray[j][i];
			}
}*/

void removeColumn(int** arr, int n, int m)
{
	m--;
	int count = 0;
	for (int i = 0; i < m; ++i)
	{
		for (int k = 0; k < n; ++k)
		{
			if (arr[k][i] < 0)
				count++;
		}
		if (count >= 2)
		{
			while (int j = 0 < m)
			{
				arr[i][j] = arr[i][j + 1];
				j++;
			}
			arr[i] = (int*)realloc(*&arr[i], sizeof(double) * m);
			count = 0;
		}
		else count = 0;
	}
}