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feat: Revised the book (#978)

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* 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
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8
codes/go/chapter_dynamic_programming/knapsack.go
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@ -8,11 +8,11 @@ import "math"
/* 0-1 背包：暴力搜索 */
func knapsackDFS(wgt, val []int, i, c int) int {
// 若已选完所有物品或背包无容量，则返回价值 0
// 若已选完所有物品或背包无剩余容量，则返回价值 0
if i == 0 || c == 0 {
return 0
}
// 若超过背包容量，则只能不放入背包
// 若超过背包容量，则只能选择不放入背包
if wgt[i-1] > c {
return knapsackDFS(wgt, val, i-1, c)
}
@ -25,7 +25,7 @@ func knapsackDFS(wgt, val []int, i, c int) int {
/* 0-1 背包：记忆化搜索 */
func knapsackDFSMem(wgt, val []int, mem [][]int, i, c int) int {
// 若已选完所有物品或背包无容量，则返回价值 0
// 若已选完所有物品或背包无剩余容量，则返回价值 0
if i == 0 || c == 0 {
return 0
}
@ -33,7 +33,7 @@ func knapsackDFSMem(wgt, val []int, mem [][]int, i, c int) int {
if mem[i][c] != -1 {
return mem[i][c]
}
// 若超过背包容量，则只能不放入背包
// 若超过背包容量，则只能选择不放入背包
if wgt[i-1] > c {
return knapsackDFSMem(wgt, val, mem, i-1, c)
}