dancing links method

This commit is contained in:
Gregory Tertyshny 2016-12-20 19:40:21 +02:00
parent 9cd3acb0d1
commit 9f78ae5810
4 changed files with 126 additions and 19 deletions

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@ -6,7 +6,7 @@
# By: gtertysh <marvin@42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2016/12/14 16:54:48 by gtertysh #+# #+# #
# Updated: 2016/12/14 18:41:33 by gtertysh ### ########.fr #
# Updated: 2016/12/20 19:05:59 by gtertysh ### ########.fr #
# #
# **************************************************************************** #
@ -24,6 +24,7 @@ SRC_FILES = main.c \
to_strct_array.c \
to_letters.c \
build_matrix.c \
dancing_links.c \
test!_check.c \
test!_print_one_string.c \
test!_print_table.c \

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@ -6,7 +6,7 @@
/* By: gtertysh <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/14 16:42:06 by gtertysh #+# #+# */
/* Updated: 2016/12/20 18:59:06 by gtertysh ### ########.fr */
/* Updated: 2016/12/20 19:18:00 by gtertysh ### ########.fr */
/* */
/* ************************************************************************** */
@ -23,14 +23,39 @@
# define BUF_S 8192
# define HOW_MUCH 10000
typedef struct s_coord
{
int x;
int y;
} t_coord;
typedef struct s_ttrmn
{
char t[17];
int x;
int y;
int coord[4];
char t[17];
int x;
int y;
t_coord c[4];
} t_ttrmn;
typedef struct s_col
{
struct s_col *left;
struct s_col *right;
void *up;
void *down;
} t_col;
typedef struct s_node
{
struct s_node *left;
struct s_node *right;
struct s_node *up;
struct s_node *down;
int row;
t_col *column;
} t_node;
// reads from file
char *read_file(char *path);
@ -57,9 +82,13 @@ void test_check(char **ttr, t_ttrmn *tamplates);
void to_letters(char **ttr);
// create array of ttr structures
t_ttrmn **to_strct_array(char **ttr, t_ttrmn *templates);
int *to_strct_array(char **ttr, t_ttrmn *templates);
t_col *add_column(t_col *root);
t_node *add_node(t_col *col, int row);
void cover(t_col *to_cover);
void uncover(t_col *to_uncover);
// build matrix for algorythm X
int **build_matrix(t_ttrmn **ttr);
#endif

78
src/dancing_links.c Normal file
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@ -0,0 +1,78 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* dancing_links.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gtertysh <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/20 19:21:42 by gtertysh #+# #+# */
/* Updated: 2016/12/20 19:22:04 by gtertysh ### ########.fr */
/* */
/* ************************************************************************** */
#include "fillit.h"
// t_col *add_column(t_col *root)
// {
// t_col *new_col;
// new_col = (t_col*)malloc(sizeof(t_col));
// new_col->down = (void*)new_col;
// new_col->up = (void*)new_col;
// new_col->left = root->left;
// new_col->right = root;
// return (new_col);
// }
// t_node *add_node(t_col *col, int row)
// {
// t_node *new_node;
// new_node = (t_node*)malloc(sizeof(t_node));
// new_node->row = row;
// new_node->up = (t_node*)col->up;
// new_node->down = (t_node*)col;
// col->up->down = new_node;
// col->up = new_node;
// return (new_node);
// }
// void cover(t_col *to_cover)
// {
// void *step_vert;
// t_node *step_horiz;
// to_cover->left->right = to_cover->right;
// to_cover->right->left = to_cover->left;
// step_vert = to_cover->down;
// while (step_vert != (void*)to_cover)
// {
// step_horiz = (t_node*)step_vert->right;
// while (step_horiz != (t_node*)step_vert) {
// step_horiz->down->up = step_horiz->up;
// step_horiz->up->down = step_horiz->down;
// step_horiz = step_horiz->right;
// }
// step_vert = (t_node*)step_vert->down;
// }
// }
// void uncover(t_col *to_uncover)
// {
// void *step_vert;
// t_node *step_horiz;
// step_vert = to_uncover->up;
// while (step_vert != (void*)to_uncover)
// {
// step_horiz = (t_node*)step_vert->left;
// while (step_horiz != (t_node*)step_vert)
// {
// step_horiz->down->up = step_horiz;
// step_horiz->up->down = step_horiz;
// step_horiz = step_horiz->left;
// }
// step_vert = (t_node*)step_vert->up;
// }
// }

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@ -6,18 +6,19 @@
/* By: gtertysh <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/10 16:07:25 by gtertysh #+# #+# */
/* Updated: 2016/12/20 18:59:59 by gtertysh ### ########.fr */
/* Updated: 2016/12/20 19:21:09 by gtertysh ### ########.fr */
/* */
/* ************************************************************************** */
#include "fillit.h"
// bad global variable
t_ttrmn templates[19] =
t_ttrmn g_templates[19] =
{
{ .t = "#...#...#...#...",
.x = 1,
.y = 4},
{
"#...#...#...#...", 1, 4, .c[0] = {0, 0}, .c[1] = {1, 0},
.c[2] = {2, 0}, .c[3] = {3, 0}
},
{ .t = "####............",
.x = 4,
@ -98,9 +99,8 @@ int main(int argc, char **argv)
char **table;
char **ttr;
int i;
t_ttrmn **strct_ttr;
int **matrix;
int *types;
i = 0;
if (argc != 2)
{
@ -128,10 +128,9 @@ int main(int argc, char **argv)
//printf("test check:\n\n");
//test_check(ttr, templates);
strct_ttr = to_strct_array(ttr, templates);
types = to_strct_array(ttr, g_templates);
matrix = build_matrix(strct_ttr);
//printf("%s\n %d, %d", strct_ttr[0]->t, strct_ttr[0]->x, strct_ttr[0]->y);
//to_letters(ttr);
//printf("to latters:\n\n");