diff --git a/tseremonnikovaaa/task 1/docs/data/main.py b/tseremonnikovaaa/task 1/docs/data/main.py
index 051c1cd..e449334 100644
--- a/tseremonnikovaaa/task 1/docs/data/main.py	
+++ b/tseremonnikovaaa/task 1/docs/data/main.py	
@@ -177,4 +177,107 @@ def bst_inorder_collect(root, records=None):
         records.append((root['name'], root['phone']))
         bst_inorder_collect(root['right'], records)
     return records
+def generate_records(N=10000):
+    records = []
+    for i in range(N):
+        name = f"User_{i:05d}"
+        phone = f"+7-999-{random.randint(1000000, 9999999)}"
+        records.append((name, phone))
+    return records
+
+def measure_insertion(struct_type, records):
+    times = []
+    for _ in range(REPEATS):
+        if struct_type == 'll':
+            head = None
+            start = time.perf_counter()
+            for name, phone in records:
+                head = ll_insert(head, name, phone)
+            end = time.perf_counter()
+        elif struct_type == 'ht':
+            buckets = ht_create(2000)
+            start = time.perf_counter()
+            for name, phone in records:
+                ht_insert(buckets, name, phone)
+            end = time.perf_counter()
+        else:
+            root = None
+            start = time.perf_counter()
+            for name, phone in records:
+                root = bst_insert(root, name, phone)
+            end = time.perf_counter()
+        times.append(end - start)
+    return times
+
+def build_structure(struct_type, records):
+    if struct_type == 'll':
+        head = None
+        for name, phone in records:
+            head = ll_insert(head, name, phone)
+        return head
+    elif struct_type == 'ht':
+        buckets = ht_create(2000)
+        for name, phone in records:
+            ht_insert(buckets, name, phone)
+        return buckets
+    else:
+        root = None
+        for name, phone in records:
+            root = bst_insert(root, name, phone)
+        return root
+
+def measure_search(struct_type, structure, records):
+    times = []
+    N_records = len(records)
+    for _ in range(REPEATS):
+        indices = random.sample(range(N_records), 100)
+        existing_names = [records[i][0] for i in indices]
+        missing_names = [f"None_{i}" for i in range(10)]
+        search_names = existing_names + missing_names
+        random.shuffle(search_names)
+        start = time.perf_counter()
+        if struct_type == 'll':
+            for name in search_names:
+                ll_find(structure, name)
+        elif struct_type == 'ht':
+            for name in search_names:
+                ht_find(structure, name)
+        else:
+            for name in search_names:
+                bst_find(structure, name)
+        times.append(time.perf_counter() - start)
+    return times
+
+def measure_deletion(struct_type, records):
+    times = []
+    N_records = len(records)
+    for _ in range(REPEATS):
+        indices = random.sample(range(N_records), 50)
+        delete_names = [records[i][0] for i in indices]
+        if struct_type == 'll':
+            head = None
+            for name, phone in records:
+                head = ll_insert(head, name, phone)
+            start = time.perf_counter()
+            for name in delete_names:
+                head = ll_delete(head, name)
+            end = time.perf_counter()
+        elif struct_type == 'ht':
+            buckets = ht_create(2000)
+            for name, phone in records:
+                ht_insert(buckets, name, phone)
+            start = time.perf_counter()
+            for name in delete_names:
+                ht_delete(buckets, name)
+            end = time.perf_counter()
+        else:
+            root = None
+            for name, phone in records:
+                root = bst_insert(root, name, phone)
+            start = time.perf_counter()
+            for name in delete_names:
+                root = bst_delete(root, name)
+            end = time.perf_counter()
+        times.append(end - start)
+    return times