feat: Revised the book (#978)

* Sync recent changes to the revised Word.

* Revised the preface chapter

* Revised the introduction chapter

* Revised the computation complexity chapter

* Revised the chapter data structure

* Revised the chapter array and linked list

* Revised the chapter stack and queue

* Revised the chapter hashing

* Revised the chapter tree

* Revised the chapter heap

* Revised the chapter graph

* Revised the chapter searching

* Reivised the sorting chapter

* Revised the divide and conquer chapter

* Revised the chapter backtacking

* Revised the DP chapter

* Revised the greedy chapter

* Revised the appendix chapter

* Revised the preface chapter doubly

* Revised the figures
This commit is contained in:
Yudong Jin
2023-12-02 06:21:34 +08:00
committed by GitHub
parent b824d149cb
commit e720aa2d24
404 changed files with 1537 additions and 1558 deletions

View File

@@ -11,7 +11,7 @@ func bucketSort(nums: inout [Double]) {
var buckets = (0 ..< k).map { _ in [Double]() }
// 1.
for num in nums {
// [0, 1)使 num * k [0, k-1]
// [0, 1)使 num * k [0, k-1]
let i = Int(num * Double(k))
// num i
buckets[i].append(num)

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@@ -37,7 +37,7 @@ func heapSort(nums: inout [Int]) {
}
// n-1
for i in stride(from: nums.count - 1, to: 0, by: -1) {
//
//
nums.swapAt(0, i)
//
siftDown(nums: &nums, n: i, i: 0)

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@@ -14,7 +14,7 @@ func swap(nums: inout [Int], i: Int, j: Int) {
/* */
/* */
func partition(nums: inout [Int], left: Int, right: Int) -> Int {
// nums[left]
// nums[left]
var i = left
var j = right
while i < j {
@@ -87,7 +87,7 @@ func quickSortTailCall(nums: inout [Int], left: Int, right: Int) {
while left < right {
//
let pivot = partition(nums: &nums, left: left, right: right)
//
//
if (pivot - left) < (right - pivot) {
quickSortTailCall(nums: &nums, left: left, right: pivot - 1) //
left = pivot + 1 // [pivot + 1, right]

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@@ -12,7 +12,7 @@ func digit(num: Int, exp: Int) -> Int {
/* nums k */
func countingSortDigit(nums: inout [Int], exp: Int) {
// 0~9 10
// 0~9 10
var counter = Array(repeating: 0, count: 10)
let n = nums.count
// 0~9