#include "stdafx.h"
#include<stdlib.h>
int** readTextMatrix(char *path, int *n, int *m)
{
	FILE *f = fopen(path, "r");
	fscanf(f, "%d %d", n, m);
	int **matr = (int**)calloc(*n, sizeof(int*));
	for (int i = 0; i < *n; i++)
		matr[i] = (int*)calloc(*m, sizeof(int));
	for (int i = 0; i < *n; i++)
		for (int j = 0; j < *m; j++)
			fscanf(f, "%d", &matr[i][j]);
	fclose(f);
	return matr;
}
void freeMatrix(int **matr, int n)
{
	for (int i = 0; i < n; i++)
		free(matr[i]);
	free(matr);
}
void writeBinaryMatrix(char *path, int **matr, int n, int m)
{
	FILE *f = fopen(path, "wb");
	fwrite(&n, sizeof(int), 1, f);
	fwrite(&m, sizeof(int), 1, f);
	for (int i = 0; i < n; i++)
		fwrite(matr[i], sizeof(int), m, f);
	fclose(f);
}
int** readBinaryMatrix(char *path, int *n, int *m)
{
	FILE *f = fopen(path, "rb");
	fread(n, sizeof(int), 1, f);
	fread(m, sizeof(int), 1, f);
	int **matr = (int**)calloc(sizeof(int*), *n);
	for (int i = 0; i < *n; i++)
	{
		matr[i] = (int*)calloc(sizeof(int), *m);
		fread(matr[i], sizeof(int), *m, f);
	}
	return matr;
}
int main()
{
	FILE *f;
	int n, m;		
	int **matr = readTextMatrix("e:\\1.txt", &n, &m);
	writeBinaryMatrix("e:\\1.bin", matr, n, m);
	freeMatrix(matr, n);	
    return 0;
}