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krahets 2023-03-30 03:45:19 +08:00
parent f9893a08ea
commit 49d81bca03

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@ -56,13 +56,56 @@ comments: true
=== "C++" === "C++"
```cpp title="bucket_sort.cpp" ```cpp title="bucket_sort.cpp"
[class]{}-[func]{bucketSort} /* 桶排序 */
void bucketSort(vector<float> &nums) {
// 初始化 k = n/2 个桶,预期向每个桶分配 2 个元素
int k = nums.size() / 2;
vector<vector<float>> buckets(k);
// 1. 将数组元素分配到各个桶中
for (float num : nums) {
// 输入数据范围 [0, 1),使用 num * k 映射到索引范围 [0, k-1]
int i = num * k;
// 将 num 添加进桶 bucket_idx
buckets[i].push_back(num);
}
// 2. 对各个桶执行排序
for (vector<float> &bucket : buckets) {
// 使用内置排序函数,也可以替换成其它排序算法
sort(bucket.begin(), bucket.end());
}
// 3. 遍历桶合并结果
int i = 0;
for (vector<float> &bucket : buckets) {
for (float num : bucket) {
nums[i++] = num;
}
}
}
``` ```
=== "Python" === "Python"
```python title="bucket_sort.py" ```python title="bucket_sort.py"
[class]{}-[func]{bucket_sort} def bucket_sort(nums: list[float]) -> None:
# 初始化 k = n/2 个桶,预期向每个桶分配 2 个元素
k = len(nums) // 2
buckets = [[] for _ in range(k)]
# 1. 将数组元素分配到各个桶中
for num in nums:
# 输入数据范围 [0, 1),使用 num * k 映射到索引范围 [0, k-1]
i = int(num * k)
# 将 num 添加进桶 i
buckets[i].append(num)
# 2. 对各个桶执行排序5
for bucket in buckets:
# 使用内置排序函数,也可以替换成其它排序算法
bucket.sort()
# 3. 遍历桶合并结果
i = 0
for bucket in buckets:
for num in bucket:
nums[i] = num
i += 1
``` ```
=== "Go" === "Go"