Šachovnice

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

#define BOARD_SIZE 8

char **new_board(const int size) {
	int i, k;
	char **board;

	board = (char**) malloc(sizeof(char*) * size);

	for (i = 0; i < size; ++i) {
		board[i] = (char*) malloc(sizeof(char) * size);
	}

	for (i = 0; i < size; ++i) {
		for (k = 0; k < size; ++k) {
			board[i][k] = (i + k) % 2;
		}
	}
	return board;
}
void print_row(char *row, const int size) {
	int i;

	for (i = 0; i < size; ++i) {
		if (row[i]) {
			printf(" o");
		} else {
			printf(" x");
		}
	}
}
void print_board(char **board, const int size) {
	int i;

	for (i = 0; i < size; ++i) {
		printf("%2d|", BOARD_SIZE - i);
		print_row(board[i], size);
		printf("\n");
	}
	printf("   ");
	for (i = 0; i < size; ++i) {
		printf("__");
	}
	printf("\n   ");
	for (i = 0; i < size; ++i) {
		printf(" %c", 97+i);
	}
	printf("\n");
}
void free_board(char **board, const int size) {
	int i, k;

	for (i = 0; i < size; ++i) {
		free(board[i]);
	}
	free(board);
}

int main (int argc, char *argv[]) {

	char **board = new_board(BOARD_SIZE);


	printf("\n\n");
	printf("    SACHOVNICE 2015\n\n");

	print_board(board, BOARD_SIZE);

	printf("\n");
	
	free_board(board, BOARD_SIZE);


	return 0;
}