algorythm that works, maybe

.gitignore

@@ -37,3 +37,6 @@
 
 # Sublime files
 *.sublime*
+
+# Clion files
+.idea

CMakeLists.txt

@@ -1,13 +1,13 @@
-cmake_minimum_required(VERSION 3.6)
+cmake_minimum_required(VERSION 3.5.2)
 project(fillit)
 
 set(CMAKE_CXX_STANDARD 11)
 
 include_directories(inc)
+include_directories(libft)
 
 set(SOURCE_FILES
     inc/fillit.h
-    inc/libft.h
     libft/ft_atoi.c
     libft/ft_bzero.c
     libft/ft_isalnum.c
@@ -71,6 +71,7 @@ set(SOURCE_FILES
     libft/ft_strtrim.c
     libft/ft_tolower.c
     libft/ft_toupper.c
+        libft/ft_lstpop.c
     libft/libft.h
     src/check_raw_string.c
     src/dancing_links.c
@@ -85,6 +86,7 @@ set(SOURCE_FILES
     src/test!_print_one_string.c
     src/test!_print_table.c
     src/to_letters.c
+        src/get_amount.c
     tests/sample.fillit
     tests/sample1.fillit)
 

inc/fillit.h

@@ -25,8 +25,8 @@
 
 typedef struct		s_coord
 {
-	int				x;
 	int				y;
+	int				x;
 }					t_coord;
 
 typedef	struct		s_ttrmn
@@ -43,7 +43,6 @@ typedef struct  s_node
     struct s_node	*right;
     struct s_node	*up;
     struct s_node	*down;
-    int				row;
     struct s_node	*column;
     t_coord			coord;
 }               t_node;

src/dancing_links.c

@@ -18,7 +18,7 @@ t_node  *init_root(void)
     t_node  *new;
 
     new = (t_node*)malloc(sizeof(t_node));
-    new->left = new->right = new->down = new->up = NULL;
+    new->left = new->right = new->down = new->up = new;
     new->column = NULL;
     return (new);
 }
@@ -32,7 +32,8 @@ t_node   *add_column(t_node *root)
     new_col->up = new_col;
     new_col->left = root->left;
     new_col->right = root;
-    new_col->row = -1;
+    root->left->right = new_col;
+    root->left = new_col;
     new_col->column = NULL;
     return (new_col);
 }
@@ -43,6 +44,7 @@ t_node  *add_node_with_coord(t_node *col, t_coord coord)
 
     new_node = (t_node*)malloc(sizeof(t_node));
     new_node->coord = coord;
+    new_node->column = col;
     new_node->up = col->up;
     new_node->down = col;
     col->up->down = new_node;
@@ -55,6 +57,7 @@ t_node  *add_node(t_node *col)
     t_node  *new_node;
 
     new_node = (t_node*)malloc(sizeof(t_node));
+    new_node->column = col;
     new_node->up = col->up;
     new_node->down = col;
     col->up->down = new_node;
@@ -65,23 +68,27 @@ t_node  *add_node(t_node *col)
 t_node  **add_cols(t_node *root, int number)
 {
     t_node  **array;
+    int     i;
 
     array = (t_node**)malloc(number * sizeof(t_node*));
-    while (number--)
-        array[number] = add_column(root);
+    i = 0;
+    while (i < number)
+        array[i++] = add_column(root);
     return (array);
 }
-int     *get_coords(t_coord coord, int amount, int type, int size)
-{
+int     *get_coords(t_coord coord, int amount, int type, int size) {
     int *result;
     int i;
     t_coord *start;
 
-    result = (int*)malloc(sizeof(int) * 4);
+    result = (int *) malloc(sizeof(int) * 5);
     start = g_templates[type].c;
-    i = 1;
-    while (i < 5)
-        result[i++] = coord.x + coord.y * size + start->x + start->y * size + amount;
+    i = 0;
+    while (i < 4)
+    {
+        result[i + 1] = (coord.x + coord.y * size + start[i].x + start[i].y * size) + amount;
+        i++;
+    }
     return (result);
 }
 void    add_row(int *col_numbers, t_node **cols_arr, t_coord coord)
@@ -116,12 +123,12 @@ void    add_rows(int *types, int amount, int size, t_node **cols_arr)
     t_coord coord;
 
     while (i < amount)
-    {
-        k = 0;
-        while (k < size - g_templates[types[i]].width)
     {
         l = 0;
-            while (l < size - g_templates[types[i]].height)
+        while (l <= size - g_templates[types[i]].height)
+        {
+            k = 0;
+            while (k <= size - g_templates[types[i]].width)
             {
                 coord.x = k;
                 coord.y = l;
@@ -129,10 +136,10 @@ void    add_rows(int *types, int amount, int size, t_node **cols_arr)
                 col_num[0] = i;
                 add_row(col_num, cols_arr, coord);
                 link_row(col_num, cols_arr);
-                l++;
-            }
                 k++;
             }
+            l++;
+        }
         i++;
     }
 }
@@ -180,8 +187,9 @@ void    uncover(t_node *to_uncover)
 
 void    print_solution(t_list *sol)
 {
-    sol = 0;
+    if (sol)
         printf("as\n");
+    exit(0);
 }
 
 void    search(t_node* root, t_list *solution, int k, int amount)
@@ -199,20 +207,20 @@ void    search(t_node* root, t_list *solution, int k, int amount)
     row = current_col->down;
     while (row != current_col)
     {
-        ft_lstadd(&solution, ft_lstnew(row, sizeof(row)));
+        ft_lstadd(&solution, ft_lstnew(&row, sizeof(t_node *)));
         j = row->right;
         while (j != row)
         {
-            cover(j);
+            cover(j->column);
             j = j->right;
         }
         search(root, solution, k + 1, amount);
-        row = (t_node*)ft_lstpop(&solution);
+        row = *((t_node**)(ft_lstpop(&solution)->content));
         current_col = row->column;
         j = row->left;
         while (j != row)
         {
-            uncover(j);
+            uncover(j->column);
             j = j->left;
         }
         row = row->down;

src/main.c

@@ -84,10 +84,13 @@ int		main(int argc, char **argv)
 	types = get_types(ttr);
 	amount = get_amount(ttr);
 	size = ft_sqrt_ceil(amount * 4);
+    while (1) {
         r = init_root();
         cols_arr = add_cols(r, (size * size + amount));
         add_rows(types, amount, size, cols_arr);
-	//search(r, ans, 0, amount);
+        search(r, ans, 0, amount);
+        size++;
+    }
 	//print_ans(ans);
 	//printf("%s\n %d, %d", strct_ttr[0]->t, strct_ttr[0]->x, strct_ttr[0]->y);
 	//to_letters(ttr);

tests/sample1.fillit

@@ -1,8 +1,3 @@
-####
-....
-....
-....
-
 ....
 ##..
 .#..
@@ -17,3 +12,8 @@
 ##..
 ##..
 ....
+
+####
+....
+....
+....