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Translate all code to English (#1836)

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* Review the EN heading format.

* Fix pythontutor headings.

* Fix pythontutor headings.

* bug fixes

* Fix headings in **/summary.md

* Revisit the CN-to-EN translation for Python code using Claude-4.5

* Revisit the CN-to-EN translation for Java code using Claude-4.5

* Revisit the CN-to-EN translation for Cpp code using Claude-4.5.

* Fix the dictionary.

* Fix cpp code translation for the multipart strings.

* Translate Go code to English.

* Update workflows to test EN code.

* Add EN translation for C.

* Add EN translation for CSharp.

* Add EN translation for Swift.

* Trigger the CI check.

* Revert.

* Update en/hash_map.md

* Add the EN version of Dart code.

* Add the EN version of Kotlin code.

* Add missing code files.

* Add the EN version of JavaScript code.

* Add the EN version of TypeScript code.

* Fix the workflows.

* Add the EN version of Ruby code.

* Add the EN version of Rust code.

* Update the CI check for the English version  code.

* Update Python CI check.

* Fix cmakelists for en/C code.

* Fix Ruby comments
This commit is contained in:
Yudong Jin
2025-12-31 07:44:52 +08:00
committed by GitHub
parent 45e1295241
commit 2778a6f9c7
1284 changed files with 71557 additions and 3275 deletions
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en/codes/python/chapter_hashing/hash_map_open_addressing.py
+27 -27
View File
@@ -12,7 +12,7 @@ from chapter_hashing.array_hash_map import Pair
class HashMapOpenAddressing:
"""Open addressing hash table"""
"""Hash table with open addressing"""
def __init__(self):
"""Constructor"""
@@ -21,7 +21,7 @@ class HashMapOpenAddressing:
self.load_thres = 2.0 / 3.0 # Load factor threshold for triggering expansion
self.extend_ratio = 2 # Expansion multiplier
self.buckets: list[Pair | None] = [None] * self.capacity # Bucket array
self.TOMBSTONE = Pair(-1, "-1") # Removal mark
self.TOMBSTONE = Pair(-1, "-1") # Removal marker
def hash_func(self, key: int) -> int:
"""Hash function"""
@@ -32,70 +32,70 @@ class HashMapOpenAddressing:
return self.size / self.capacity
def find_bucket(self, key: int) -> int:
"""Search for the bucket index corresponding to key"""
"""Search for bucket index corresponding to key"""
index = self.hash_func(key)
first_tombstone = -1
# Linear probing, break when encountering an empty bucket
while self.buckets[index] is not None:
# If the key is encountered, return the corresponding bucket index
# If key is encountered, return the corresponding bucket index
if self.buckets[index].key == key:
# If a removal mark was encountered earlier, move the key-value pair to that index
# If a removal marker was encountered before, move the key-value pair to that index
if first_tombstone != -1:
self.buckets[first_tombstone] = self.buckets[index]
self.buckets[index] = self.TOMBSTONE
return first_tombstone # Return the moved bucket index
return index # Return bucket index
# Record the first encountered removal mark
# Record the first removal marker encountered
if first_tombstone == -1 and self.buckets[index] is self.TOMBSTONE:
first_tombstone = index
# Calculate the bucket index, return to the head if exceeding the tail
# Calculate bucket index, wrap around to the head if past the tail
index = (index + 1) % self.capacity
# If the key does not exist, return the index of the insertion point
# If key does not exist, return the index for insertion
return index if first_tombstone == -1 else first_tombstone
def get(self, key: int) -> str:
"""Query operation"""
# Search for the bucket index corresponding to key
# Search for bucket index corresponding to key
index = self.find_bucket(key)
# If the key-value pair is found, return the corresponding val
# If key-value pair is found, return corresponding val
if self.buckets[index] not in [None, self.TOMBSTONE]:
return self.buckets[index].val
# If the key-value pair does not exist, return None
# If key-value pair does not exist, return None
return None
def put(self, key: int, val: str):
"""Add operation"""
# When the load factor exceeds the threshold, perform expansion
# When load factor exceeds threshold, perform expansion
if self.load_factor() > self.load_thres:
self.extend()
# Search for the bucket index corresponding to key
# Search for bucket index corresponding to key
index = self.find_bucket(key)
# If the key-value pair is found, overwrite val and return
# If key-value pair is found, overwrite val and return
if self.buckets[index] not in [None, self.TOMBSTONE]:
self.buckets[index].val = val
return
# If the key-value pair does not exist, add the key-value pair
# If key-value pair does not exist, add the key-value pair
self.buckets[index] = Pair(key, val)
self.size += 1
def remove(self, key: int):
"""Remove operation"""
# Search for the bucket index corresponding to key
# Search for bucket index corresponding to key
index = self.find_bucket(key)
# If the key-value pair is found, cover it with a removal mark
# If key-value pair is found, overwrite it with removal marker
if self.buckets[index] not in [None, self.TOMBSTONE]:
self.buckets[index] = self.TOMBSTONE
self.size -= 1
def extend(self):
"""Extend hash table"""
"""Expand hash table"""
# Temporarily store the original hash table
buckets_tmp = self.buckets
# Initialize the extended new hash table
# Initialize expanded new hash table
self.capacity *= self.extend_ratio
self.buckets = [None] * self.capacity
self.size = 0
# Move key-value pairs from the original hash table to the new hash table
# Move key-value pairs from original hash table to new hash table
for pair in buckets_tmp:
if pair not in [None, self.TOMBSTONE]:
self.put(pair.key, pair.val)
@@ -118,18 +118,18 @@ if __name__ == "__main__":
# Add operation
# Add key-value pair (key, val) to the hash table
hashmap.put(12836, "Ha")
hashmap.put(15937, "Luo")
hashmap.put(16750, "Suan")
hashmap.put(13276, "Fa")
hashmap.put(10583, "Ya")
hashmap.put(12836, "Xiao Ha")
hashmap.put(15937, "Xiao Luo")
hashmap.put(16750, "Xiao Suan")
hashmap.put(13276, "Xiao Fa")
hashmap.put(10583, "Xiao Ya")
print("\nAfter adding, the hash table is\nKey -> Value")
hashmap.print()
# Query operation
# Enter key to the hash table, get value val
# Input key into the hash table to get val
name = hashmap.get(13276)
print("\nEnter student ID 13276, found name " + name)
print("\nInput student ID 13276, found name " + name)
# Remove operation
# Remove key-value pair (key, val) from the hash table