[1] задание 1 с отчётом #261
0
kornevma/426.md
Normal file
0
kornevma/426.md
Normal file
349
kornevma/docs/1/main.py
Normal file
349
kornevma/docs/1/main.py
Normal file
|
|
@ -0,0 +1,349 @@
|
|||
import random
|
||||
import time
|
||||
import csv
|
||||
import sys
|
||||
|
||||
sys.setrecursionlimit(10**8)#прикалюха 6 вылетаел
|
||||
|
||||
def mk(name, phone):
|
||||
return {"name": name, "phone": phone}
|
||||
|
||||
def ll_create_node(record):
|
||||
return [record, None]
|
||||
|
||||
def ll_insert(ll_head, record):
|
||||
new_node = ll_create_node(record)
|
||||
new_node[1] = ll_head[0]
|
||||
ll_head[0] = new_node
|
||||
|
||||
def ll_find(ll_head, name):
|
||||
cur = ll_head[0]
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
return cur[0]
|
||||
cur = cur[1]
|
||||
return None
|
||||
|
||||
def ll_delete(ll_head, name):
|
||||
cur = ll_head[0]
|
||||
prev = None
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
if prev:
|
||||
prev[1] = cur[1]
|
||||
else:
|
||||
ll_head[0] = cur[1]
|
||||
return True
|
||||
prev = cur
|
||||
cur = cur[1]
|
||||
return False
|
||||
|
||||
def ll_list_all(ll_head):
|
||||
res = []
|
||||
cur = ll_head[0]
|
||||
while cur:
|
||||
res.append(cur[0])
|
||||
cur = cur[1]
|
||||
return res
|
||||
|
||||
def ht_hash(name, size):
|
||||
return hash(name) % size
|
||||
|
||||
def ht_insert(table, record):
|
||||
idx = ht_hash(record["name"], len(table))
|
||||
new_node = ll_create_node(record)
|
||||
new_node[1] = table[idx]
|
||||
table[idx] = new_node
|
||||
|
||||
def ht_find(table, name):
|
||||
idx = ht_hash(name, len(table))
|
||||
cur = table[idx]
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
return cur[0]
|
||||
cur = cur[1]
|
||||
return None
|
||||
|
||||
def ht_delete(table, name):
|
||||
idx = ht_hash(name, len(table))
|
||||
cur = table[idx]
|
||||
prev = None
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
if prev:
|
||||
prev[1] = cur[1]
|
||||
else:
|
||||
table[idx] = cur[1]
|
||||
return True
|
||||
prev = cur
|
||||
cur = cur[1]
|
||||
return False
|
||||
|
||||
def ht_list_all(table):
|
||||
res = []
|
||||
for head in table:
|
||||
cur = head
|
||||
while cur:
|
||||
res.append(cur[0])
|
||||
cur = cur[1]
|
||||
return res
|
||||
|
||||
def bst_create_node(record):
|
||||
return [record, None, None]
|
||||
|
||||
def bst_insert(root, record):
|
||||
if root is None:
|
||||
return bst_create_node(record)
|
||||
if record["name"] < root[0]["name"]:
|
||||
root[1] = bst_insert(root[1], record)
|
||||
elif record["name"] > root[0]["name"]:
|
||||
root[2] = bst_insert(root[2], record)
|
||||
else:
|
||||
root[0] = record
|
||||
return root
|
||||
|
||||
def bst_find(root, name):
|
||||
if root is None:
|
||||
return None
|
||||
if name == root[0]["name"]:
|
||||
return root[0]
|
||||
elif name < root[0]["name"]:
|
||||
return bst_find(root[1], name)
|
||||
else:
|
||||
return bst_find(root[2], name)
|
||||
|
||||
def bst_find_min(node):
|
||||
while node[1] is not None:
|
||||
node = node[1]
|
||||
return node
|
||||
|
||||
def bst_delete(root, name):
|
||||
if root is None:
|
||||
return None
|
||||
if name < root[0]["name"]:
|
||||
root[1] = bst_delete(root[1], name)
|
||||
elif name > root[0]["name"]:
|
||||
root[2] = bst_delete(root[2], name)
|
||||
else:
|
||||
if root[1] is None:
|
||||
return root[2]
|
||||
elif root[2] is None:
|
||||
return root[1]
|
||||
else:
|
||||
succ = bst_find_min(root[2])
|
||||
root[0] = succ[0]
|
||||
root[2] = bst_delete(root[2], succ[0]["name"])
|
||||
return root
|
||||
|
||||
def bst_list_all(root):
|
||||
def inorder(node):
|
||||
if node is None:
|
||||
return []
|
||||
return inorder(node[1]) + [node[0]] + inorder(node[2])
|
||||
return inorder(root)
|
||||
|
||||
def tmr(func):
|
||||
def wrapper(*args, **kwargs):
|
||||
start = time.perf_counter()
|
||||
result = func(*args, **kwargs)
|
||||
elapsed = time.perf_counter() - start
|
||||
return result, elapsed
|
||||
return wrapper
|
||||
|
||||
@tmr
|
||||
def ins_ll(ll_head, records):
|
||||
for rec in records:
|
||||
ll_insert(ll_head, rec)
|
||||
|
||||
@tmr
|
||||
def fnd_ll(ll_head, names):
|
||||
for name in names:
|
||||
ll_find(ll_head, name)
|
||||
|
||||
@tmr
|
||||
def del_ll(ll_head, names):
|
||||
for name in names:
|
||||
ll_delete(ll_head, name)
|
||||
|
||||
@tmr
|
||||
def ins_ht(table, records):
|
||||
for rec in records:
|
||||
ht_insert(table, rec)
|
||||
|
||||
@tmr
|
||||
def fnd_ht(table, names):
|
||||
for name in names:
|
||||
ht_find(table, name)
|
||||
|
||||
@tmr
|
||||
def del_ht(table, names):
|
||||
for name in names:
|
||||
ht_delete(table, name)
|
||||
|
||||
@tmr
|
||||
def ins_bst(root, records):
|
||||
for rec in records:
|
||||
root = bst_insert(root, rec)
|
||||
return root
|
||||
|
||||
@tmr
|
||||
def fnd_bst(root, names):
|
||||
for name in names:
|
||||
bst_find(root, name)
|
||||
|
||||
@tmr
|
||||
def del_bst(root, names):
|
||||
for name in names:
|
||||
root = bst_delete(root, name)
|
||||
return root
|
||||
|
||||
def gen(n, seed=42):
|
||||
random.seed(seed)
|
||||
recs = []
|
||||
for i in range(n):
|
||||
name = f"user_{i:05d}"
|
||||
phone = random.randint(1000000, 9999999)
|
||||
recs.append(mk(name, phone))
|
||||
return recs
|
||||
|
||||
def prep(recs, ecnt=100, mcnt=10):
|
||||
alln = [r["name"] for r in recs]
|
||||
ex = random.sample(alln, ecnt)
|
||||
ms = [f"none_{i}" for i in range(mcnt)]
|
||||
sn = ex + ms
|
||||
dn = random.sample(alln, 50)
|
||||
return sn, dn
|
||||
|
||||
def prm(n):
|
||||
if n < 2: return False
|
||||
if n % 2 == 0: return n == 2
|
||||
d = 3
|
||||
while d * d <= n:
|
||||
if n % d == 0: return False
|
||||
d += 2
|
||||
return True
|
||||
|
||||
def nxtprm(n):
|
||||
while not prm(n):
|
||||
n += 1
|
||||
return n
|
||||
|
||||
def bench(n=10000, rpts=5):
|
||||
recs = gen(n)
|
||||
shuf = recs.copy()
|
||||
random.shuffle(shuf)
|
||||
srt = sorted(recs, key=lambda r: r["name"])
|
||||
|
||||
snms, dnms = prep(recs)
|
||||
|
||||
htsz = nxtprm(2 * n)
|
||||
|
||||
exps = [
|
||||
{
|
||||
"name": "linkedlist",
|
||||
"init_empty": lambda: [None],
|
||||
"insert": ins_ll,
|
||||
"find": fnd_ll,
|
||||
"delete": del_ll,
|
||||
},
|
||||
{
|
||||
"name": "hashtable",
|
||||
"init_empty": lambda: [None] * htsz,
|
||||
"insert": ins_ht,
|
||||
"find": fnd_ht,
|
||||
"delete": del_ht,
|
||||
},
|
||||
{
|
||||
"name": "bst",
|
||||
"init_empty": lambda: None,
|
||||
"insert": ins_bst,
|
||||
"find": fnd_bst,
|
||||
"delete": del_bst,
|
||||
},
|
||||
]
|
||||
|
||||
res = []
|
||||
|
||||
for e in exps:
|
||||
sn = e["name"]
|
||||
for mn, recs_set in [("shuffled", shuf), ("sorted", srt)]:
|
||||
for rp in range(1, rpts + 1):
|
||||
st = e["init_empty"]()
|
||||
|
||||
if sn == "bst":
|
||||
st, ti = e["insert"](st, recs_set)
|
||||
else:
|
||||
_, ti = e["insert"](st, recs_set)
|
||||
|
||||
_, tf = e["find"](st, snms)
|
||||
|
||||
if sn == "bst":
|
||||
st, td = e["delete"](st, dnms)
|
||||
else:
|
||||
_, td = e["delete"](st, dnms)
|
||||
|
||||
res.append([sn, mn, "insert", rp, ti])
|
||||
res.append([sn, mn, "find", rp, tf])
|
||||
res.append([sn, mn, "delete", rp, td])
|
||||
|
||||
with open("results.csv", "w", newline="", encoding="utf-8") as f:
|
||||
w = csv.writer(f)
|
||||
w.writerow(["тип", "режим", "операция", "повтор", "время"])
|
||||
w.writerows(res)
|
||||
|
||||
from collections import defaultdict
|
||||
agg = defaultdict(list)
|
||||
for row in res:
|
||||
k = (row[0], row[1], row[2])
|
||||
agg[k].append(row[4])
|
||||
print("\n5 повторов в ср:")
|
||||
print(f"{'тип':<15} {'режим':<10} {'операция':<10} {'срдений':<10}")
|
||||
for k, times in sorted(agg.items()):
|
||||
avg = sum(times) / len(times)
|
||||
print(f"{k[0]:<15} {k[1]:<10} {k[2]:<10} {avg:<10.6f}")
|
||||
|
||||
return res, agg
|
||||
|
||||
def plot(agg):
|
||||
try:
|
||||
import matplotlib.pyplot as plt
|
||||
except ImportError:
|
||||
print("матплотлтб скачать")
|
||||
return
|
||||
|
||||
sts = ["linkedlist", "hashtable", "bst"]
|
||||
mds = ["shuffled", "sorted"]
|
||||
ops = ["insert", "find", "delete"]
|
||||
|
||||
fig, axes = plt.subplots(1, 3, figsize=(16, 5))
|
||||
fig.suptitle("сравенние", fontsize=14)
|
||||
|
||||
for oi, op in enumerate(ops):
|
||||
ax = axes[oi]
|
||||
data = []
|
||||
for s in sts:
|
||||
for m in mds:
|
||||
k = (s, m, op)
|
||||
avg = sum(agg[k]) / len(agg[k]) if k in agg else 0
|
||||
data.append(avg)
|
||||
x = range(len(sts))
|
||||
width = 0.35
|
||||
svals = [data[i*2] for i in range(len(sts))]
|
||||
svals2 = [data[i*2+1] for i in range(len(sts))]
|
||||
|
||||
ax.bar([i - width/2 for i in x], svals, width, label='shuffled')
|
||||
ax.bar([i + width/2 for i in x], svals2, width, label='sorted')
|
||||
ax.set_xticks(x)
|
||||
ax.set_xticklabels(sts)
|
||||
ax.set_title(op)
|
||||
ax.set_ylabel('время (sec)')
|
||||
ax.legend()
|
||||
|
||||
plt.tight_layout()
|
||||
plt.savefig("kortinko.png")
|
||||
plt.show()
|
||||
print("zibka kortinko.png")
|
||||
|
||||
if __name__ == "__main__":
|
||||
res, agg = bench(n=10000, rpts=5)
|
||||
plot(agg)
|
||||
BIN
kornevma/docs/kortinko.png
Normal file
BIN
kornevma/docs/kortinko.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 29 KiB |
91
kornevma/docs/results.csv
Normal file
91
kornevma/docs/results.csv
Normal file
|
|
@ -0,0 +1,91 @@
|
|||
тип,режим,операция,повтор,время
|
||||
linkedlist,shuffled,insert,1,0.00348759995540604
|
||||
linkedlist,shuffled,find,1,0.10299369995482266
|
||||
linkedlist,shuffled,delete,1,0.06881969998357818
|
||||
linkedlist,shuffled,insert,2,0.002795599983073771
|
||||
linkedlist,shuffled,find,2,0.11420650000218302
|
||||
linkedlist,shuffled,delete,2,0.050943999958690256
|
||||
linkedlist,shuffled,insert,3,0.003374699968844652
|
||||
linkedlist,shuffled,find,3,0.09485340001992881
|
||||
linkedlist,shuffled,delete,3,0.04981170000974089
|
||||
linkedlist,shuffled,insert,4,0.002937599958386272
|
||||
linkedlist,shuffled,find,4,0.0926941999932751
|
||||
linkedlist,shuffled,delete,4,0.04564540000865236
|
||||
linkedlist,shuffled,insert,5,0.0032468000426888466
|
||||
linkedlist,shuffled,find,5,0.09445199999026954
|
||||
linkedlist,shuffled,delete,5,0.06562509998911992
|
||||
linkedlist,sorted,insert,1,0.004829699988476932
|
||||
linkedlist,sorted,find,1,0.05208860000129789
|
||||
linkedlist,sorted,delete,1,0.06792090000817552
|
||||
linkedlist,sorted,insert,2,0.0030329000437632203
|
||||
linkedlist,sorted,find,2,0.09589699999196455
|
||||
linkedlist,sorted,delete,2,0.024623799952678382
|
||||
linkedlist,sorted,insert,3,0.0023055000347085297
|
||||
linkedlist,sorted,find,3,0.05262780003249645
|
||||
linkedlist,sorted,delete,3,0.035465800028759986
|
||||
linkedlist,sorted,insert,4,0.003455400001257658
|
||||
linkedlist,sorted,find,4,0.06551479996414855
|
||||
linkedlist,sorted,delete,4,0.0368536000023596
|
||||
linkedlist,sorted,insert,5,0.0036825999850407243
|
||||
linkedlist,sorted,find,5,0.05081029998837039
|
||||
linkedlist,sorted,delete,5,0.02609110000776127
|
||||
hashtable,shuffled,insert,1,0.008456900017336011
|
||||
hashtable,shuffled,find,1,7.070001447573304e-05
|
||||
hashtable,shuffled,delete,1,3.9300008211284876e-05
|
||||
hashtable,shuffled,insert,2,0.0068731000064872205
|
||||
hashtable,shuffled,find,2,6.079999729990959e-05
|
||||
hashtable,shuffled,delete,2,3.4599972423166037e-05
|
||||
hashtable,shuffled,insert,3,0.008831500017549843
|
||||
hashtable,shuffled,find,3,6.859999848529696e-05
|
||||
hashtable,shuffled,delete,3,5.959998816251755e-05
|
||||
hashtable,shuffled,insert,4,0.009147099975962192
|
||||
hashtable,shuffled,find,4,5.989999044686556e-05
|
||||
hashtable,shuffled,delete,4,3.470003139227629e-05
|
||||
hashtable,shuffled,insert,5,0.006436199997551739
|
||||
hashtable,shuffled,find,5,4.67000063508749e-05
|
||||
hashtable,shuffled,delete,5,2.6500027161091566e-05
|
||||
hashtable,sorted,insert,1,0.0056028999970294535
|
||||
hashtable,sorted,find,1,7.159996312111616e-05
|
||||
hashtable,sorted,delete,1,3.060000017285347e-05
|
||||
hashtable,sorted,insert,2,0.006678299978375435
|
||||
hashtable,sorted,find,2,0.00012290000449866056
|
||||
hashtable,sorted,delete,2,3.4299970138818026e-05
|
||||
hashtable,sorted,insert,3,0.005322600016370416
|
||||
hashtable,sorted,find,3,4.8499961849302053e-05
|
||||
hashtable,sorted,delete,3,2.600002335384488e-05
|
||||
hashtable,sorted,insert,4,0.006450399989262223
|
||||
hashtable,sorted,find,4,7.379997987300158e-05
|
||||
hashtable,sorted,delete,4,4.780001472681761e-05
|
||||
hashtable,sorted,insert,5,0.0060063999844715
|
||||
hashtable,sorted,find,5,5.689996760338545e-05
|
||||
hashtable,sorted,delete,5,3.120000474154949e-05
|
||||
bst,shuffled,insert,1,0.05349189997650683
|
||||
bst,shuffled,find,1,0.0005713000427931547
|
||||
bst,shuffled,delete,1,0.0002283000503666699
|
||||
bst,shuffled,insert,2,0.05809580005006865
|
||||
bst,shuffled,find,2,0.00046800001291558146
|
||||
bst,shuffled,delete,2,0.00030310003785416484
|
||||
bst,shuffled,insert,3,0.05402979999780655
|
||||
bst,shuffled,find,3,0.0005937999812886119
|
||||
bst,shuffled,delete,3,0.0002316000172868371
|
||||
bst,shuffled,insert,4,0.0533465999760665
|
||||
bst,shuffled,find,4,0.000450699997600168
|
||||
bst,shuffled,delete,4,0.00031700002728030086
|
||||
bst,shuffled,insert,5,0.05407660000491887
|
||||
bst,shuffled,find,5,0.0004341000458225608
|
||||
bst,shuffled,delete,5,0.0002673999988473952
|
||||
bst,sorted,insert,1,24.01944399997592
|
||||
bst,sorted,find,1,0.2082300999900326
|
||||
bst,sorted,delete,1,0.11376300000119954
|
||||
bst,sorted,insert,2,24.020037700014655
|
||||
bst,sorted,find,2,0.21519700001226738
|
||||
bst,sorted,delete,2,0.1168955999892205
|
||||
bst,sorted,insert,3,23.98331290000351
|
||||
bst,sorted,find,3,0.20412800001213327
|
||||
bst,sorted,delete,3,0.16615210002055392
|
||||
bst,sorted,insert,4,24.231940899975598
|
||||
bst,sorted,find,4,0.2066795999999158
|
||||
bst,sorted,delete,4,0.13191749999532476
|
||||
bst,sorted,insert,5,23.72923769999761
|
||||
bst,sorted,find,5,0.22344960004556924
|
||||
bst,sorted,delete,5,0.11515349999535829
|
||||
|
146
kornevma/main.py
146
kornevma/main.py
|
|
@ -1,146 +0,0 @@
|
|||
import random
|
||||
import time
|
||||
import sys
|
||||
|
||||
def mr(name, phone):
|
||||
return {"name": name, "phone": phone}
|
||||
|
||||
#llист
|
||||
def ll_create_node(record):
|
||||
return [record, None]
|
||||
|
||||
def ll_insert(ll_head, record):
|
||||
new_node = ll_create_node(record)
|
||||
new_node[1] = ll_head[0]
|
||||
ll_head[0] = new_node
|
||||
|
||||
def ll_find(ll_head, name):
|
||||
cur = ll_head[0]
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
return cur[0]
|
||||
cur = cur[1]
|
||||
return None
|
||||
|
||||
def ll_delete(ll_head, name):
|
||||
cur = ll_head[0]
|
||||
prev = None
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
if prev:
|
||||
prev[1] = cur[1]
|
||||
else:
|
||||
ll_head[0] = cur[1]
|
||||
return True
|
||||
prev = cur
|
||||
cur = cur[1]
|
||||
return False
|
||||
|
||||
def ll_list_all(ll_head):
|
||||
res = []
|
||||
cur = ll_head[0]
|
||||
while cur:
|
||||
res.append(cur[0])
|
||||
cur = cur[1]
|
||||
return res
|
||||
|
||||
#ht
|
||||
def ht_hash(name, size):
|
||||
return hash(name) % size
|
||||
def ht_insert(table, record):
|
||||
idx = ht_hash(record["name"], len(table))
|
||||
new_node = ll_create_node(record)
|
||||
new_node[1] = table[idx]
|
||||
table[idx] = new_node
|
||||
|
||||
def ht_find(table, name):
|
||||
idx = ht_hash(name, len(table))
|
||||
cur = table[idx]
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
return cur[0]
|
||||
cur = cur[1]
|
||||
return None
|
||||
|
||||
def ht_delete(table, name):
|
||||
idx = ht_hash(name, len(table))
|
||||
cur = table[idx]
|
||||
prev = None
|
||||
while cur:
|
||||
if cur[0]["name"] == name:
|
||||
if prev:
|
||||
prev[1] = cur[1]
|
||||
else:
|
||||
table[idx] = cur[1]
|
||||
return True
|
||||
prev = cur
|
||||
cur = cur[1]
|
||||
return False
|
||||
|
||||
def ht_list_all(table):
|
||||
res = []
|
||||
for head in table:
|
||||
cur = head
|
||||
while cur:
|
||||
res.append(cur[0])
|
||||
cur = cur[1]
|
||||
return res
|
||||
|
||||
|
||||
# bst
|
||||
def bst_create_node(record):
|
||||
return [record, None, None]
|
||||
|
||||
def bst_insert(root, record):
|
||||
if root is None:
|
||||
return bst_create_node(record)
|
||||
if record["name"] < root[0]["name"]:
|
||||
root[1] = bst_insert(root[1], record)
|
||||
elif record["name"] > root[0]["name"]:
|
||||
root[2] = bst_insert(root[2], record)
|
||||
else: #мб
|
||||
root[0] = record
|
||||
return root
|
||||
|
||||
def bst_find(root, name):
|
||||
if root is None:
|
||||
return None
|
||||
if name == root[0]["name"]:
|
||||
return root[0]
|
||||
elif name < root[0]["name"]:
|
||||
return bst_find(root[1], name)
|
||||
else:
|
||||
return bst_find(root[2], name)
|
||||
|
||||
def bst_find_min(node):
|
||||
while node[1] is not None:
|
||||
node = node[1]
|
||||
return node
|
||||
|
||||
def bst_delete(root, name):
|
||||
if root is None:
|
||||
return None
|
||||
if name < root[0]["name"]:
|
||||
root[1] = bst_delete(root[1], name)
|
||||
elif name > root[0]["name"]:
|
||||
root[2] = bst_delete(root[2], name)
|
||||
else:
|
||||
|
||||
if root[1] is None:
|
||||
return root[2]
|
||||
elif root[2] is None:
|
||||
return root[1]
|
||||
else:
|
||||
succ = bst_find_min(root[2])
|
||||
root[0] = succ[0]
|
||||
root[2] = bst_delete(root[2], succ[0]["name"])
|
||||
return root
|
||||
|
||||
def bst_list_all(root):
|
||||
def inorder(node):
|
||||
if node is None:
|
||||
return []
|
||||
return inorder(node[1]) + [node[0]] + inorder(node[2])
|
||||
return inorder(root)
|
||||
if __name__ == "__main__":
|
||||
print('cba')
|
||||
Loading…
Reference in New Issue
Block a user