VolkovVA/cod.py

@@ -0,0 +1,369 @@
+import random as rnd
+import time 
+import csv
+
+# СВЯЗНЫЙ СПИСОК
+
+
+def ll_insert(head, name, phone):
+    new_node = {'name': name, 'phone': phone, 'next': None}
+    
+    if head is None:
+        return new_node
+        
+    current = head
+    while current is not None:
+        if current['name'] == name:
+            current['phone'] = phone
+            return head
+        if current['next'] is None:
+            break
+        current = current['next']
+        
+    current['next'] = new_node
+    return head
+
+def ll_find(head, name):
+    
+    current = head
+    while current is not None:
+        if current['name'] == name:
+            return current['phone']
+        current = current['next']
+    return None
+
+def ll_delete(head, name):
+    
+    if head is None:
+        return None
+    if head['name'] == name:
+        return head['next']
+    
+    current = head
+    while current['next'] is not None:
+        if current['next']['name'] == name:
+            current['next'] = current['next']['next']
+            return head
+        current = current['next']
+    return head
+
+def sort_records(lst):
+    
+    n = len(lst)
+    for i in range(n):
+        for j in range(0, n-i-1):
+            if lst[j][0] > lst[j + 1][0]:
+                lst[j], lst[j + 1] = lst[j + 1], lst[j]
+    return lst
+
+def ll_list_all(head):
+    record = []
+    current = head
+    while current is not None:
+        record += [(current['name'], current['phone'])]
+        current = current['next']
+    res = sort_records(record)
+    return res
+
+
+#  ХЕШ-ТАБЛИЦА
+
+
+def def_hash(name, size):
+    
+    hash_value = 0
+    for char in name:
+        hash_value += ord(char)
+    final_idx = hash_value % size
+    return final_idx
+
+def ht_insert(buckets, name, phone):
+    size = len(buckets)
+    idx = def_hash(name, size)
+    buckets[idx] = ll_insert(buckets[idx], name, phone)
+    return buckets
+
+def ht_find(buckets, name):
+    size = len(buckets)
+    idx = def_hash(name, size)
+    return ll_find(buckets[idx], name)
+
+def ht_delete(buckets, name):
+    size = len(buckets)
+    idx = def_hash(name, size)
+    buckets[idx] = ll_delete(buckets[idx], name)
+    return buckets
+
+def ht_list_all(buckets):
+    res = []
+    for head in buckets:
+        current = head
+        while current is not None:
+            res += [(current['name'], current['phone'])]
+            current = current['next']
+    return sort_records(res)
+
+
+# ДВОИЧНОЕ ДЕРЕВО ПОИСКА
+
+
+def bst_insert(root, name, phone):
+    new_node = {'name': name, 'phone': phone, 'left': None, 'right': None}
+    
+    if root is None:
+        return new_node
+        
+    current = root
+    while True:
+        if name == current['name']:
+            current['phone'] = phone  
+            break
+        elif name < current['name']:
+            if current['left'] is None:
+                current['left'] = new_node
+                break
+            current = current['left']
+        else:
+            if current['right'] is None:
+                current['right'] = new_node
+                break
+            current = current['right']
+            
+    return root
+
+def bst_find(root, name):
+    current = root
+    while current is not None:
+        if name == current['name']:
+            return current['phone']
+        elif name < current['name']:
+            current = current['left']
+        else:
+            current = current['right']
+    return None
+
+def bst_delete(root, name):
+    if root is None:
+        return None
+        
+    p_node = None
+    current = root
+    
+    while current is not None and current['name'] != name:
+        p_node = current
+        if name < current['name']:
+            current = current['left']
+        else:
+            current = current['right']
+            
+    if current is None:
+        return root
+        
+    if current['left'] is None and current['right'] is None:
+        if p_node is None:
+            return None
+        if p_node['left'] is current:
+            p_node['left'] = None
+        else:
+            p_node['right'] = None
+        return root
+
+    if current['left'] is None:
+        c_node = current['right']
+    elif current['right'] is None:
+        c_node = current['left']
+    else:
+        succ_parent = current
+        succ = current['right']
+        while succ['left']:
+            succ_parent = succ
+            succ = succ['left']
+            
+        current['name'], current['phone'] = succ['name'], succ['phone']
+        
+        if succ_parent['left'] is succ:
+            succ_parent['left'] = succ['right']
+        else:
+            succ_parent['right'] = succ['right']
+        return root
+        
+    if p_node is None:
+        return c_node
+    if p_node['left'] is current:
+        p_node['left'] = c_node
+    else:
+        p_node['right'] = c_node
+    return root
+
+def bst_list_all(root):
+    record = []
+    
+    def helper(node):
+        if node is not None:
+            helper(node['left'])
+            nonlocal record
+            record += [(node['name'], node['phone'])]
+            helper(node['right'])
+            
+    helper(root)
+    return record
+
+
+# ЭКСПЕРИМЕНТАЛЬНАЯ ЧАСТЬ 
+
+
+if __name__ == '__main__':
+    N = 10000
+    
+    
+    records = []
+    for i in range(N):
+        name = f"User_{i:05d}"
+        phone = f"+7-{rnd.randint(100, 999)}-{rnd.randint(100, 999)}-{rnd.randint(1000, 9999)}"
+        records.append((name, phone))
+        
+    
+    records_shuffled = records[:]
+    rnd.shuffle(records_shuffled)
+    records_sorted = sorted(records, key=lambda x: x[0])
+    
+    
+    s_names = []
+    for i in range(100):
+        s_names.append(records_shuffled[i][0])
+    for i in range(10):
+        s_names.append(f"None_{i}")
+        
+    d_names = []
+    sampled = rnd.sample(records_shuffled, 50)
+    for item in sampled:
+        d_names.append(item[0])
+
+    print("Начало замеров...")
+    
+    results = [["Структура", "Режим", "Операция", "Время (сек)"]]
+
+
+    #  ПРОВЕДЕНИЕ ЗАМЕРОВ 
+
+  # СВЯЗНЫЙ СПИСОК 
+    for mode_name, data in [("случайный", records_shuffled), ("отсортированный", records_sorted)]:
+        s_ins  = 0
+        s_fnd=0
+        s_del=0
+        for _ in range(5):
+            ll = None
+            
+            
+            t1 = time.perf_counter()
+            for name, phone in data:
+                ll = ll_insert(ll, name, phone)
+            time_ins = time.perf_counter() - t1
+            s_ins += time_ins
+            results.append(["LinkedList", mode_name, "вставка", time_ins])
+            
+            
+            t1 = time.perf_counter()
+            for name in s_names:
+                ll_find(ll, name)
+            time_fnd = time.perf_counter() - t1
+            s_fnd += time_fnd
+            results.append(["LinkedList", mode_name, "поиск", time_fnd])
+            
+            
+            t1 = time.perf_counter()
+            for name in d_names:
+                ll = ll_delete(ll, name)
+            time_del = time.perf_counter() - t1
+            s_del += time_del
+            results.append(["LinkedList", mode_name, "удаление", time_del])
+            
+        print(f" Связный список ({mode_name}) | Среднее за 5 замеров ")
+        print(f"Вставка:   {s_ins/5:.5f} сек.")
+        print(f"Поиск:     {s_fnd/5:.5f} сек.")
+        print(f"Удаление:  {s_del/5:.5f} сек.")
+        print("-" * 40)
+
+
+
+
+    # ХЕШ-ТАБЛИЦА 
+    for mode_name, data in [("случайный", records_shuffled), ("отсортированный", records_sorted)]:
+        s_ins = 0
+        s_fnd=0
+        s_del =0
+        for _ in range(5):
+            ht = [None] * 2000
+            
+            
+            t1 = time.perf_counter()
+            for name, phone in data:
+                ht = ht_insert(ht, name, phone)
+            time_ins = time.perf_counter() - t1
+            s_ins += time_ins
+            results.append(["HashTable", mode_name, "вставка", time_ins])
+            
+            
+            t1 = time.perf_counter()
+            for name in s_names:
+                ht_find(ht, name)
+            time_fnd = time.perf_counter() - t1
+            s_fnd += time_fnd
+            results.append(["HashTable", mode_name, "поиск", time_fnd])
+            
+            
+            t1 = time.perf_counter()
+            for name in d_names:
+                ht = ht_delete(ht, name)
+            time_del = time.perf_counter() - t1
+            s_del += time_del
+            results.append(["HashTable", mode_name, "удаление", time_del])
+            
+        print(f" Хеш-таблица ({mode_name}) | Среднее за 5 замеров ")
+        print(f"Вставка:   {s_ins/5:.5f} сек.")
+        print(f"Поиск:     {s_fnd/5:.5f} сек.")
+        print(f"Удаление:  {s_del/5:.5f} сек.")
+        print("-" * 40)
+        
+    # ДЕРЕВО 
+
+    for mode_name, data in [("случайный", records_shuffled), ("отсортированный", records_sorted)]:
+        s_ins = 0
+        s_fnd = 0
+        s_del = 0
+        for _ in range(5):
+            bst = None
+            
+            
+            t1 = time.perf_counter()
+            for name, phone in data:
+                bst = bst_insert(bst, name, phone)
+            time_ins = time.perf_counter() - t1
+            s_ins += time_ins
+            results.append(["BST", mode_name, "вставка", time_ins])
+            
+             
+            t1 = time.perf_counter()
+            for name in s_names:
+                bst_find(bst, name)
+            time_fnd = time.perf_counter() - t1
+            s_fnd += time_fnd
+            results.append(["BST", mode_name, "поиск", time_fnd])
+            
+            
+            t1 = time.perf_counter()
+            for name in d_names:
+                bst = bst_delete(bst, name)
+            time_del = time.perf_counter() - t1
+            s_del += time_del
+            results.append(["BST", mode_name, "удаление", time_del])
+            
+        print(f"Двоичное дерево ({mode_name}) | Среднее за 5 замеров ")
+        print(f"Вставка:   {s_ins/5:.5f} сек.")
+        print(f"Поиск:     {s_fnd/5:.5f} сек.")
+        print(f"Удаление:  {s_del/5:.5f} сек.")
+        print("-" * 40)
+     # Сохранение результатов   
+    with open("docs/data/results.csv", "w", newline="", encoding="utf-8") as f:
+        writer = csv.writer(f) 
+        writer.writerows(results)

VolkovVA/docs/data/grafic.py

@@ -0,0 +1,61 @@
+import csv
+import matplotlib.pyplot as plt
+from collections import defaultdict
+
+pth = r"C:\Users\vva26\2026-rff_mp\VolkovVA\docs\data\results.csv"
+grf = r"C:\Users\vva26\2026-rff_mp\VolkovVA\docs\performance_chart.png"
+
+dct = defaultdict(lambda: defaultdict(list))
+
+with open(pth, "r", encoding="utf-8") as f:
+    rdr = csv.reader(f)
+    nxt = next(rdr)
+    
+    for row in rdr:
+        if not row:
+            continue
+        str, mod, ope, tim = row
+        key = f"{str}\n({ope})"
+        dct[key][mod].append(float(tim))
+
+lbl = []
+rnd = []
+srt = []
+
+for key, mds in dct.items():
+    lbl.append(key)
+    avg_rnd = sum(mds["случайный"]) / len(mds["случайный"]) if mds["случайный"] else 0
+    avg_srt = sum(mds["отсортированный"]) / len(mds["отсортированный"]) if mds["отсортированный"] else 0
+    rnd.append(avg_rnd)
+    srt.append(avg_srt)
+
+idx = range(len(lbl))
+wth = 0.35
+
+x_rnd = []
+for i in idx:
+    x_rnd.append(i - wth/2)
+
+x_srt = []
+for i in idx:
+    x_srt.append(i + wth/2)
+
+fig, axs = plt.subplots(figsize=(11, 6))
+
+bar1 = axs.bar(x_rnd, rnd, wth, label='Случайные данные', color='#3498db')
+bar2 = axs.bar(x_srt, srt, wth, label='Отсортированные данные', color='#e74c3c')
+
+axs.set_title('Сравнение скорости операций в различных структурах данных', fontsize=13, fontweight='bold', pad=15)
+axs.set_xticks(idx)
+axs.set_xticklabels(lbl, rotation=15, ha='right', fontsize=10)
+axs.legend(fontsize=10)
+axs.grid(axis='y', linestyle='--', alpha=0.5)
+
+axs.set_yscale('log')
+axs.set_ylabel('Время выполнения в сек (Логарифмическая шкала)', fontsize=11)
+
+plt.tight_layout()
+
+plt.savefig(grf, dpi=300)
+print(f"\n[OK] График сохранен в: {grf}")
+plt.show()

VolkovVA/docs/data/results.csv

@@ -0,0 +1,91 @@
+Структура,Режим,Операция,Время (сек)
+LinkedList,случайный,вставка,4.291091899998719
+LinkedList,случайный,поиск,0.005068599999503931
+LinkedList,случайный,удаление,0.019771399998717243
+LinkedList,случайный,вставка,4.525691400001961
+LinkedList,случайный,поиск,0.005420200002845377
+LinkedList,случайный,удаление,0.020462399999814807
+LinkedList,случайный,вставка,4.353839700001117
+LinkedList,случайный,поиск,0.00541249999878346
+LinkedList,случайный,удаление,0.023757300001307158
+LinkedList,случайный,вставка,4.502167200000258
+LinkedList,случайный,поиск,0.010723499999585329
+LinkedList,случайный,удаление,0.03311329999996815
+LinkedList,случайный,вставка,5.201365899996745
+LinkedList,случайный,поиск,0.010636599999997998
+LinkedList,случайный,удаление,0.039027299997542286
+LinkedList,отсортированный,вставка,4.315812599998026
+LinkedList,отсортированный,поиск,0.04411020000043209
+LinkedList,отсортированный,удаление,0.030419400001846952
+LinkedList,отсортированный,вставка,8.593622799999139
+LinkedList,отсортированный,поиск,0.08360049999828334
+LinkedList,отсортированный,удаление,0.05115080000177841
+LinkedList,отсортированный,вставка,8.543958199999906
+LinkedList,отсортированный,поиск,0.09370399999897927
+LinkedList,отсортированный,удаление,0.056215399999928195
+LinkedList,отсортированный,вставка,7.622753499999817
+LinkedList,отсортированный,поиск,0.10020520000034594
+LinkedList,отсортированный,удаление,0.06128549999993993
+LinkedList,отсортированный,вставка,8.650270099999034
+LinkedList,отсортированный,поиск,0.07040950000009616
+LinkedList,отсортированный,удаление,0.040762199998425785
+HashTable,случайный,вставка,0.47725569999965956
+HashTable,случайный,поиск,0.0002153999994334299
+HashTable,случайный,удаление,0.0027007999997294974
+HashTable,случайный,вставка,0.5317499999982829
+HashTable,случайный,поиск,0.0003974999999627471
+HashTable,случайный,удаление,0.005713599999580765
+HashTable,случайный,вставка,0.6429859999989276
+HashTable,случайный,поиск,0.00022510000053443946
+HashTable,случайный,удаление,0.0043073999986518174
+HashTable,случайный,вставка,0.6996447000019543
+HashTable,случайный,поиск,0.000267400002485374
+HashTable,случайный,удаление,0.00396790000013425
+HashTable,случайный,вставка,0.6941239000007045
+HashTable,случайный,поиск,0.0002880000029108487
+HashTable,случайный,удаление,0.003416699997615069
+HashTable,отсортированный,вставка,0.6140038000012282
+HashTable,отсортированный,поиск,0.0050384999995003454
+HashTable,отсортированный,удаление,0.002920400002039969
+HashTable,отсортированный,вставка,0.546170899997378
+HashTable,отсортированный,поиск,0.005110499998409068
+HashTable,отсортированный,удаление,0.002819400000589667
+HashTable,отсортированный,вставка,0.49733259999993606
+HashTable,отсортированный,поиск,0.003421200002776459
+HashTable,отсортированный,удаление,0.0022764000023016706
+HashTable,отсортированный,вставка,0.4543197999992117
+HashTable,отсортированный,поиск,0.00394619999860879
+HashTable,отсортированный,удаление,0.0024693000013940036
+HashTable,отсортированный,вставка,0.4290051999996649
+HashTable,отсортированный,поиск,0.003611500000261003
+HashTable,отсортированный,удаление,0.002442600001813844
+BST,случайный,вставка,0.045431899998220615
+BST,случайный,поиск,0.00016899999900488183
+BST,случайный,удаление,0.0002190000013797544
+BST,случайный,вставка,0.04518879999886849
+BST,случайный,поиск,0.0001917000008688774
+BST,случайный,удаление,0.00022659999740426429
+BST,случайный,вставка,0.04384279999794671
+BST,случайный,поиск,0.00015949999942677096
+BST,случайный,удаление,0.00020090000180061907
+BST,случайный,вставка,0.047621300000173505
+BST,случайный,поиск,0.00017160000061267056
+BST,случайный,удаление,0.00021569999807979912
+BST,случайный,вставка,0.04882440000073984
+BST,случайный,поиск,0.00017870000010589138
+BST,случайный,удаление,0.00022280000121099874
+BST,отсортированный,вставка,14.469153600002755
+BST,отсортированный,поиск,0.13092999999935273
+BST,отсортированный,удаление,0.06794660000014119
+BST,отсортированный,вставка,13.552134699999442
+BST,отсортированный,поиск,0.09381570000186912
+BST,отсортированный,удаление,0.048802499997691484
+BST,отсортированный,вставка,13.858903200001805
+BST,отсортированный,поиск,0.12883069999952568
+BST,отсортированный,удаление,0.06201040000087232
+BST,отсортированный,вставка,14.243588299999828
+BST,отсортированный,поиск,0.10868889999983367
+BST,отсортированный,удаление,0.05314870000074734
+BST,отсортированный,вставка,12.31363550000242
+BST,отсортированный,поиск,0.11658590000297409
+BST,отсортированный,удаление,0.053270799999154406