dir.main added

2026-09-24 09:10:14 +00:00 · 2023-04-25 08:05:41 +03:00
parent 62d99ba675
commit 1f8e90cb3d
37 changed files with 1018 additions and 321 deletions
@@ -0,0 +1,206 @@
+#include "head.h"
+
+void linked_print(LinkedList *l)
+{
+    while (l != NULL)
+    {
+        printf("%d %s\n", l->x, l->name);
+        l = l->next;
+    }
+}
+
+LinkedList *add_tail(LinkedList *l, int x, char name[])
+{
+    if (l->x == 0 && !strcmp(l->name, "\0"))
+    {
+        l->x = x;
+        memcpy(l->name, name, STR_LEN);
+        l->next = NULL;
+        l->prev = NULL;
+        return l;
+    }
+
+    LinkedList *res = l;
+    while (l->next != NULL)
+        l = l->next;
+
+    LinkedList *tmp = malloc(sizeof(LinkedList));
+    tmp->x = x;
+    memcpy(tmp->name, name, STR_LEN);
+    tmp->prev = l;
+    l->next = tmp;
+    return res;
+}
+
+LinkedList *add_head(LinkedList *l, int x, char name[])
+{
+    if (l->x == 0 && !strcmp(l->name, "\0"))
+    {
+        l->x = x;
+        memcpy(l->name, name, STR_LEN);
+        l->next = NULL;
+        l->prev = NULL;
+        return l;
+    }
+
+    LinkedList *tmp = malloc(sizeof(LinkedList));
+    if (tmp == NULL)
+        exit(1);
+
+    tmp->next = l;
+    l->prev = tmp;
+    tmp->prev = NULL;
+    tmp->x = x;
+    memcpy(tmp->name, name, STR_LEN);
+    return tmp;
+}
+
+LinkedList *del_head(LinkedList *l)
+{
+    if (l == NULL)
+        return NULL;
+    else if (l->next == NULL)
+    {
+        free(l);
+        l = NULL;
+        return NULL;
+    }
+    LinkedList *tmp = l->next;
+    tmp->prev = NULL;
+    free(l);
+    l = NULL;
+    return tmp;
+}
+
+void del_tail(LinkedList *l)
+{
+    if (l == NULL)
+        return;
+    else if (l->next == NULL)
+    {
+        free(l);
+        l = NULL;
+        return;
+    }
+    while (l->next != NULL)
+        l = l->next;
+    LinkedList *tmp = l->prev;
+    l->prev = NULL;
+    free(l);
+    tmp->next = NULL;
+}
+
+int len(LinkedList *l)
+{
+    int res = 0;
+    while (l != NULL)
+    {
+        res++;
+        l = l->next;
+    }
+    return res;
+}
+
+void swap(LinkedList *l, int first, int second)
+{
+    if (first >= len(l) || second >= len(l))
+        exit(3);
+    int i, min, max;
+    min = (first <= second) ? first : second;
+    max = first + second - min;
+
+    for (i = 0; i < min; i++)
+    {
+        if (l != NULL)
+            l = l->next;
+        else
+            exit(2);
+    }
+    LinkedList *tmp = l;
+
+    for (i = 0; i < max - min; i++)
+    {
+        if (l != NULL)
+            l = l->next;
+        else
+            exit(2);
+    }
+
+    LinkedList temp = *l;
+    l->x = tmp->x;
+    tmp->x = temp.x;
+    memcpy(l->name, tmp->name, STR_LEN);
+    memcpy(tmp->name, temp.name, STR_LEN);
+}
+
+LinkedList get(LinkedList *l, int n)
+{
+    if (n > len(l))
+        exit(3);
+    int i;
+    for (i = 0; i < n; i++)
+    {
+        l = l->next;
+    }
+    return *l;
+}
+
+void select_sort(LinkedList *l)
+{
+    if (l == NULL || l->next == NULL)
+        return;
+
+    int n = len(l), i, j;
+
+    for (i = 0; i < n - 1; i++)
+    {
+        for (j = i + 1; j < n; j++)
+        {
+            if (get(l, j).x < get(l, i).x)
+                swap(l, i, j);
+        }
+    }
+}
+
+void list_fprintf(LinkedList *l, char path[])
+{
+    FILE *f = fopen(path, "w");
+    if (f == NULL)
+        exit(4);
+    int i, n = len(l);
+
+    for (i = 0; i < n; i++)
+    {
+        fprintf(f, "%d %s\n", l->x, l->name);
+        l = l->next;
+    }
+
+    fclose(f);
+}
+
+LinkedList *list_fscanf(char path[])
+{
+    FILE *f = fopen(path, "r");
+    if (f == NULL)
+        exit(5);
+
+    LinkedList *tmp = malloc(sizeof(LinkedList));
+    tmp->prev = NULL;
+    tmp->next = NULL;
+    int tmp_x, i;
+    char s[STR_LEN] = {'\0'};
+
+    for (i = 0; fscanf(f, "%d %s\n", &tmp_x, s) != EOF; i++)
+    {
+        if (i == 0)
+        {
+            tmp->x = tmp_x;
+            memcpy(tmp->name, s, STR_LEN);
+        }
+        else
+            add_tail(tmp, tmp_x, s);
+    }
+
+    fclose(f);
+    return tmp;
+}