algorithm/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2025-07-25 11:13:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add build script for Swift.

Browse Source
This commit is contained in:
krahets
2023-02-08 20:30:05 +08:00
parent 05f0054005
commit 38751cc5f5
25 changed files with 128 additions and 1223 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
docs/chapter_computational_complexity/space_time_tradeoff.md
View File

@ -108,17 +108,7 @@ comments: true
=== "Swift"
```swift title="leetcode_two_sum.swift"
func twoSumBruteForce(nums: [Int], target: Int) -> [Int] {
// 两层循环，时间复杂度 O(n^2)
for i in nums.indices.dropLast() {
for j in nums.indices.dropFirst(i + 1) {
if nums[i] + nums[j] == target {
return [i, j]
}
}
}
return [0]
}
[class]{}-[func]{twoSumBruteForce}
```
=== "Zig"
@ -229,18 +219,7 @@ comments: true
=== "Swift"
```swift title="leetcode_two_sum.swift"
func twoSumHashTable(nums: [Int], target: Int) -> [Int] {
// 辅助哈希表，空间复杂度 O(n)
var dic: [Int: Int] = [:]
// 单层循环，时间复杂度 O(n)
for i in nums.indices {
if let j = dic[target - nums[i]] {
return [j, i]
}
dic[nums[i]] = i
}
return [0]
}
[class]{}-[func]{twoSumHashTable}
```
=== "Zig"