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Author SHA1 Message Date
14e6c71416 Merge branch 'lab1' of http://31.128.43.79:3000/stepushovgs/2026-rff_mp into lab1 2026-05-07 14:28:09 +03:00
0e7a03e784 Обновление
- Изменение структуры лабораторной работы
- Завершение библитеки для Бинарного дерева поиска
2026-05-07 14:28:06 +03:00
b638d6c169 update bin tree 2026-04-30 16:11:36 +03:00
62e1b34fd0 Setup gitignore for data-structure 2026-04-20 11:03:49 +03:00
10f35b3ac3 update gitignore for c 2026-04-19 00:33:46 +03:00
d9d935c0bf implementing a linked list
- insert
- delete
- find
- listAll
2026-04-19 00:31:51 +03:00
c9947a713f move gitignore 2026-04-16 22:27:29 +03:00
10445d4940 add gitignore 2026-04-16 22:23:45 +03:00
5e85fa060b init lab1 2026-04-16 22:21:02 +03:00
12 changed files with 727 additions and 0 deletions

55
.gitignore vendored
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@ -160,3 +160,58 @@ cython_debug/
# option (not recommended) you can uncomment the following to ignore the entire idea folder. # option (not recommended) you can uncomment the following to ignore the entire idea folder.
#.idea/ #.idea/
# Prerequisites
*.d
# Object files
*.o
*.ko
*.obj
*.elf
# Linker output
*.ilk
*.map
*.exp
# Precompiled Headers
*.gch
*.pch
# Libraries
*.lib
*.a
*.la
*.lo
# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib
# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex
# Debug files
*.dSYM/
*.su
*.idb
*.pdb
# Kernel Module Compile Results
*.mod*
*.cmd
.tmp_versions/
modules.order
Module.symvers
Mkfile.old
dkms.conf
# debug information files
*.dwo

1
stepushovgs/.gitignore vendored Normal file
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*.o

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.exe
.o

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bst.h"
#include "queue.h"
/*
3. Двоичное дерево поиска
Узел словарь: `{'val': '123', 'left': None, 'right': None}.`
Функции:
def bst_insert(root, name, phone) рекурсивно или итеративно вставляет, возвращает новый корень (если корень меняется).
def bst_find(root, name) поиск.
def bst_delete(root, name) удаление, возвращает новый корень.
def bst_list_all(root) центрированный обход (рекурсивно собирает записи в отсортированном порядке).
*/
bst_node* create_bst_node(char name[NAME_LEN], char phone[PHONE_LEN])
{
bst_node* node = (bst_node*)malloc(sizeof(bst_node));
strcpy(node->name, name);
strcpy(node->phone, phone);
node->left = NULL;
node->right = NULL;
return node;
}
bst_node* bst_minimum(bst_node* node)
{
if (node->left == NULL)
return node;
return bst_minimum(node->left);
}
bst_node* bst_maximum(bst_node* node)
{
if (node->right == NULL)
return node;
return bst_maximum(node->right);
}
void print_bst(bst_node node)
{
//printf("value: %d\n", node.value);
printf("name: %s, phone: %s\n", node.name, node.phone);
}
void bst_inorder_traversal(bst_node* HEAD)
{
if (HEAD != NULL)
{
bst_inorder_traversal(HEAD->left);
print_bst(*HEAD);
bst_inorder_traversal(HEAD->right);
}
}
void bst_preorder_traversal(bst_node* HEAD)
{
if (HEAD != NULL)
{
print_bst(*HEAD);
bst_preorder_traversal(HEAD->left);
bst_preorder_traversal(HEAD->right);
}
}
bst_node* bst_search(bst_node* HEAD, char target_name[NAME_LEN])
{
/*
Node search(x : Node, k : T):
if x == null or k == x.key
return x
if k < x.key
return search(x.left, k)
else
return search(x.right, k)
*/
if ((HEAD == NULL) || strcmp(HEAD->name, target_name) == 0)
{
return HEAD;
}
if (strcmp(target_name, HEAD->name) < 0)
{
return bst_search(HEAD->left, target_name);
}
else
{
return bst_search(HEAD->right, target_name);
}
}
bst_node* bst_insert(bst_node* HEAD, char name[NAME_LEN], char phone[PHONE_LEN])
{
/*
Node insert(x : Node, z : T): // x — корень поддерева, z — вставляемый ключ
if x == null
return Node(z) // подвесим Node с key = z
else if z < x.key
x.left = insert(x.left, z)
else if z > x.key
x.right = insert(x.right, z)
return x
*/
if (HEAD == NULL)
{
return create_bst_node(name, phone);
}
else if (strcmp(name, HEAD->name) < 0)
{
HEAD->left = bst_insert(HEAD->left, name, phone);
}
else if (strcmp(name, HEAD->name) > 0)
{
HEAD->right = bst_insert(HEAD->right, name, phone);
}
return HEAD;
}
bst_node* bst_delete(bst_node* root, char target_name[NAME_LEN])
{ // корень поддерева, удаляемый ключ
if (root == NULL)
return root;
if (strcmp(target_name, root->name) < 0)
root->left = bst_delete(root->left, target_name);
else if (strcmp(target_name, root->name) > 0)
root->right = bst_delete(root->right, target_name);
else {
if (root->left != NULL && root->right != NULL)
{
strcpy(root->name, bst_minimum(root->right)->name);
strcpy(root->phone, bst_minimum(root->right)->phone);
root->right = bst_delete(root->right, root->name);
}
else
{
bst_node* temp = root;
if (root->left != NULL)
root = root->left;
else
root = root->right;
free(temp);
}
}
return root;
}
void delete_bst(bst_node* root)
{
if (root == NULL)
return;
else
{
delete_bst(root->left);
delete_bst(root->right);
free(root);
}
}
void printTree(bst_node* node, int depth) {
if (node == NULL) return;
printTree(node->right, depth + 1);
for (int i = 0; i < depth; i++)
printf("\t");
//printf("%d\n", node->value);
print_bst(*node);
printTree(node->left, depth + 1);
}
void treeLevelTraversal(bst_node* node) {
if (!node) return;
Queue q;
Queue* hq = &q;
queueInit(hq);
queuePush(hq, node);
while(!queueEmpty(hq))
{
bst_node* hn = queuePop(hq);
//printf("%d\n", hn->value);
print_bst(*hn);
if(hn->left)
queuePush(hq, hn->left);
if(hn->right)
queuePush(hq, hn->right);
};
};

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#define NAME_LEN 20
#define PHONE_LEN 20
typedef struct bst_node
{
//int value;
char name[NAME_LEN];
char phone[PHONE_LEN];
struct bst_node* right;
struct bst_node* left;
}bst_node;
bst_node* create_bst_node(char name[NAME_LEN], char phone[PHONE_LEN]);
bst_node* bst_minimum(bst_node* node);
bst_node* bst_maximum(bst_node* node);
void print_bst(bst_node node);
void bst_inorder_traversal(bst_node* HEAD);
void bst_preorder_traversal(bst_node* HEAD);
bst_node* bst_search(bst_node* HEAD, char target_name[NAME_LEN]);
bst_node* bst_insert(bst_node* HEAD, char name[NAME_LEN], char phone[PHONE_LEN]);
bst_node* bst_delete(bst_node* root, char target_name[NAME_LEN]);
void treeLevelTraversal(bst_node* node);
void printTree(bst_node* node, int depth);
void delete_bst(bst_node* root);

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#include <stdlib.h>
#include "queue.h"
int queueEmpty(Queue* q)
{
return (q->head == q->tail);
}
int size(Queue* q)
{
if (q->head > q->tail)
return QUEUE_MAX_LENGTH - q->head + q->tail;
else
return q->tail - q->head;
}
void queuePush(Queue* q, void* ptr)
{
if (size(q) != QUEUE_MAX_LENGTH)
{
q->p[q->tail] = ptr;
q->tail = (q->tail + 1) % QUEUE_MAX_LENGTH;
}
};
void queueInit(Queue* q)
{
q->head = 0;
q->tail = 0;
}
void* queuePop(Queue* q)
{
if (queueEmpty(q))
return NULL;
void* x = q->p[q->head];
q->head = (q->head + 1) % QUEUE_MAX_LENGTH;
return x;
};

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#define QUEUE_MAX_LENGTH 100
typedef struct Queue {
void* p[QUEUE_MAX_LENGTH];
unsigned int head;
unsigned int tail;
} Queue;
int queueEmpty(Queue* q);
void queuePush(Queue* q, void* p);
void* queuePop(Queue* q);
void queueInit(Queue* q);
int size(Queue* q);

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#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "linked_list.h"
/*
Связный список (LinkedListPhoneBook)
Узел представляется словарём: `{'name': 'Имя', 'phone': '123', 'next': None}.`
Функции:
def ll_insert(head, name, phone) проходит до конца (или сразу добавляет в конец) и возвращает новую голову (если вставка в начало) или изменяет список по ссылке. Удобнее возвращать новую голову, если вставка может быть в начало.
def ll_find(head, name) ищет узел, возвращает телефон или None.
def ll_delete(head, name) удаляет узел, возвращает новую голову.
def ll_list_all(head) собирает все записи в список и сортирует (сортировка вынесена отдельно).
*/
int getListNodeLength(Node* HEAD)
{
int len = 0;
Node* current = HEAD;
while (current != NULL)
{
len++;
current = current->next;
}
return len;
}
// Добавление в конец
Node* insert(Node* head, char name[NAME_BUFF_SIZE], char phone[PHONE_BUFF_SIZE], int show)
{
Node* newNode = (Node*)malloc(sizeof(Node));
strcpy_s(newNode->name_, NAME_BUFF_SIZE, name);
strcpy_s(newNode->phone_, PHONE_BUFF_SIZE, phone);
newNode->next = NULL;
printf("Data: %s %s\n", name, phone);
printf("New Data: %s %s\n", newNode->name_, newNode->phone_);
if (head == NULL)
{
printf("\nNew list\n");
head = newNode;
return newNode;
}
Node* last = head;
int ind = 0;
while (last->next != NULL)
{
if (show == 1)
printf("%d \n", ind++);
last = last->next;
}
last->next = newNode;
return head;
}
char* find(Node* HEAD, char target_name[NAME_BUFF_SIZE])
{
Node* current = HEAD;
while (current != NULL)
{
if (strcmp(target_name, current->name_) == 0)
{
return current->phone_;
}
current = current->next;
}
return NULL;
}
// Вывод всех элементов
void printAllNodes(Node* head)
{
Node* current = head;
int ind = 0;
while (current != NULL)
{
printf("Ind: %d\nName: %s\nPhone: %s\n", ind++, current->name_, current->phone_);
current = current->next;
}
}
Node* deleteNode(Node* HEAD, char target_name[NAME_BUFF_SIZE])
{
Node* previous = NULL;
Node* current = HEAD;
if (current != NULL && strcmp(target_name, current->name_) == 0)
{
HEAD = current->next;
free(current);
return HEAD;
}
while (current != NULL && strcmp(target_name, current->name_) == 0)
{
previous = current;
current = current->next;
}
if (current == NULL) return HEAD;
previous->next = current->next;
free(current);
return HEAD;
}
Node* listAll(Node* HEAD)
{
if (HEAD == NULL)
{
return NULL;
}
int len = getListNodeLength(HEAD);
Node* current = HEAD;
Node* list = (Node*)malloc(len * sizeof(Node));
int ind = 0;
while (current != NULL)
{
list[ind++] = *current;
current = current->next;
}
return list;
}
void printNode(Node node)
{
printf("%s ", node.name_);
printf("%s\n", node.phone_);
}
void printListNode(Node* list, int length)
{
printf("\n\n%d\n", length);
for (int i = 0; i < length; i++)
{
printNode(list[i]);
}
}

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#define NAME_BUFF_SIZE 50
#define PHONE_BUFF_SIZE 12+1 // +1 for end symbol
typedef struct Node
{
char name_[NAME_BUFF_SIZE];
char phone_[PHONE_BUFF_SIZE];
struct Node* next;
} Node;
typedef struct LinkedListPhoneNumbers {
Node* HEAD;
} LinkedListPhoneNumbers;
Node* insert(Node* head, char name[NAME_BUFF_SIZE], char phone[PHONE_BUFF_SIZE], int show);
void printAllNodes(Node* head);
void printNode(Node node);
char* find(Node* HEAD, char target_name[NAME_BUFF_SIZE]);
Node* deleteNode(Node* HEAD, char target_name[NAME_BUFF_SIZE]);
Node* listAll(Node* HEAD);
void printListNode(Node list[], int length);
int getListNodeLength(Node* HEAD);

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "linked_list/linked_list.h"
#define NAME_BUFF_SIZE 50
#define PHONE_BUFF_SIZE 12+1 // +1 for end symbol
int main()
{
Node* list = NULL;
char phone[] = "1234";
for (int i = 0; i < 12; i++)
{
char num[3];
sprintf_s(num, 3, "%d", i);
char name[] = "name ";
strcat_s(name, 9, num);
printf("%d %s %s\n", i, name, phone);
list = insert(list, name, phone, 0);
}
char test_name[] = "name 20";
char test_phone[] = "phone 343";
list = insert(list, test_name, test_phone, 1);
printAllNodes(list);
printf("\n%s\n", find(list, test_name));
strcpy_s(test_name, NAME_BUFF_SIZE, "name 10");
list = deleteNode(list, test_name);
printAllNodes(list);
Node* listNodes = listAll(list);
printListNode(listNodes, getListNodeLength(list));
free(listNodes);
return 0;
}

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#include <stdio.h>
#include <stdlib.h>
#include "bin_search_tree/bst.h"
#define COUNT_NUMBERS 64
int isInArr(int arr[], int len, int target)
{
for (int i = 0; i < len; i++)
{
if (arr[i] == target) return 1;
}
return 0;
}
char get_dozen(int number)
{
return (char)'0' + number % 10;
}
char get_units(int number)
{
return (char)'0' + number / 10;
}
int main()
{
printf("hello world!\n");
//bst_node* head = create_bst_node("name", "phone");
bst_node* head = NULL;
int arr[COUNT_NUMBERS] = {0};
char name[NAME_LEN] = "name_xx";
char phone[PHONE_LEN] = "phone_xx";
int temp = 0;
for (int i = 0; i < COUNT_NUMBERS; i++)
{
do
{
temp = rand() % 100;
}
while (isInArr(arr, i - 1, temp));
arr[i] = temp;
name[5] = get_dozen(temp);
name[6] = get_units(temp);
phone[6] = get_dozen(temp);
phone[7] = get_units(temp);
head = bst_insert(head, name, phone);
printf("%d ", arr[i]);
}
printf("\n\ninorder traversal: \n");
bst_inorder_traversal(head);
printf("\n\npreorder traversal: \n");
bst_preorder_traversal(head);
char tar_name[NAME_LEN] = "name_44";
printf("\n\nУдаляем элемент с значением %s:\n", tar_name);
head = bst_delete(head, tar_name);
bst_inorder_traversal(head);
printf("\n\nВывод дерева:\n");
printTree(head, 0);
printf("\n\nОбход в ширину:\n");
treeLevelTraversal(head);
delete_bst(head);
return 0;
}

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#include <stdio.h>
int Partition_Hoa(int arr[], int l, int r)
{
int p = arr[(l + r) / 2];
int i = l;
int j = r;
while (1)
{
// #print(p)
while (arr[i] <= p) i++;
while (arr[j] > p) j--;
if (i >= j) return j;
swap(arr[i], arr[j]);
i++;
j--;
}
}
void QuickSort(int arr[], int l, int r)
{
if (l < r):
{
int s = Partition_Hoa(arr, l, r);
QuickSort(arr, l, s-1);
QuickSort(arr, s+1, r);
}
}
int main()
{
int arr[] = {2, 56, 10, 5, 2, 6, 9, 6, 3, 923, 3, 2, 1};
return 0;
}