dz1.sem2

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

void matrixgen(int** matrix, int Rows, int Collums)
{
	int n = Rows;
	int m = Collums;
	for (int i = 0; i < n; i++)
	{
		matrix[i] = new int[m]; // Создаем элементы
	}
	for (int i = 0; i < n; i++)
		for (int j = 0; j < m; j++)
			*(*(matrix + i) + j) = rand() % 21 - 10;
}
void matrixprint(int** matrix, int Rows, int Collums)
{
	for (int i = 0; i < Rows; i++)
	{
		for (int j = 0; j < Collums; j++)
			printf_s("%6d", *(*(matrix + i) + j));
		printf_s("\n");
	}
}
void matrixdelete(int** matrix, int Rows)
{
	for (int i = 0; i < Rows; i++)
	{
		delete[]matrix[i]; // Удаляем каждый элемент
	}
	delete[] matrix; // А потом массив
}
void matrixcopy(int** oldmatrix, int** newmatrix, int Collums, int Rows)
{
	int countnegative = 0;
	int t = 0;
	for (int j = 0; j < Collums; j++)
	{
		for (int i = 0; i < Rows; i++)
		{
			if (oldmatrix[i][j] < 0)
				countnegative++;
		}
		if (countnegative < 2)
		{
			for (int i = 0; i < Rows; i++)
			{
				newmatrix[i][t] = oldmatrix[i][j];
			}
			t++;

		}
		countnegative = 0;
	}


}
void reallocnahou(int** matrix, int Rows, int Collums, int &newcollums)
{
	int tries = 0;
	int mem=1;
	newcollums = Collums;
	int countnegative = 0;
	for (int j = 0; j < Collums; j++)
	{
		int t = j;
		for (int i = 0; i < Rows; i++)
		{
			if (matrix[i][j] < 0)
				countnegative++;
		}
		if (countnegative >= 2)
		{
			printf_s("collum %d will be deleted\n", j + 1);
			for (int i = 0; i < Rows; i++)
				matrix[i][j] = -100;
			newcollums--;
		}
		countnegative = 0;
	}

	for (int j = 0; j < Collums- mem; j++)
		if (matrix[0][j] == -100)
		{
			for (int t = j; t < Collums - 1 ; t++)
			{
				for (int i = 0; i < Rows; i++)
					matrix[i][t] = matrix[i][t + 1];
			}
			 j--;
			 mem++;
		}

	for (int i = 0; i < Rows; i++)
		*(matrix + i) = (int*)realloc(*(matrix + i), newcollums * sizeof(int));
}


#include <stdlib.h>
#include <stdio.h>
#include<time.h>
#include "beda_s_bashkoy.h"
int main()
{
	srand(time(NULL));
	int n, m,newcollums;
	puts("inputed row number");
	scanf_s("%d", &n);
	int** array = new int* [n];// Создаем массив указателей
	puts("input collums number");
	scanf_s("%d", &m);
	puts("generated matrix");
	matrixgen(array, n, m);
	matrixprint(array, n, m);
	puts("new matrix");
	reallocnahou(array, n, m, newcollums);
	matrixprint(array, n, newcollums);
	matrixdelete(array, n);
	return 0;
}