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fcbaf101a4
* Update Dockerfile for code debugging. * Format Python code using Black. * Improve dark theme by defining html classes for the figures, animations and cover images. * Fix several glossary translation. * Update a code comment. * Fix climbing_stairs_backtrack: the pruning should not require the sorted choices list. * Update the code of array and list traversal. * Fix a rendering issue of README.md * Update code of list traversal. * Fix array_definition.png * Update README.md * Fix max_capacity_moving_short_board.png * Fix array.dart * Fix array.dart * Fix array.dart * Fix array.dart
63 lines
1.6 KiB
Swift
63 lines
1.6 KiB
Swift
/**
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* File: list.swift
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* Created Time: 2023-01-08
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* Author: nuomi1 (nuomi1@qq.com)
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*/
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@main
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enum List {
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/* Driver Code */
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static func main() {
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/* 初始化列表 */
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var nums = [1, 3, 2, 5, 4]
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print("列表 nums = \(nums)")
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/* 访问元素 */
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let num = nums[1]
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print("访问索引 1 处的元素，得到 num = \(num)")
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/* 更新元素 */
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nums[1] = 0
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print("将索引 1 处的元素更新为 0 ，得到 nums = \(nums)")
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/* 清空列表 */
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nums.removeAll()
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print("清空列表后 nums = \(nums)")
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/* 尾部添加元素 */
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nums.append(1)
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nums.append(3)
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nums.append(2)
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nums.append(5)
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nums.append(4)
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print("添加元素后 nums = \(nums)")
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/* 中间插入元素 */
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nums.insert(6, at: 3)
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print("在索引 3 处插入数字 6 ，得到 nums = \(nums)")
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/* 删除元素 */
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nums.remove(at: 3)
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print("删除索引 3 处的元素，得到 nums = \(nums)")
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/* 通过索引遍历列表 */
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var count = 0
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for i in nums.indices {
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count += nums[i]
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}
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/* 直接遍历列表元素 */
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count = 0
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for x in nums {
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count += x
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}
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/* 拼接两个列表 */
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let nums1 = [6, 8, 7, 10, 9]
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nums.append(contentsOf: nums1)
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print("将列表 nums1 拼接到 nums 之后，得到 nums = \(nums)")
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/* 排序列表 */
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nums.sort()
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print("排序列表后 nums = \(nums)")
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}
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}
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