73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
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/**
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* File: list.cpp
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* Created Time: 2022-11-25
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* Author: krahets (krahets@163.com)
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*/
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#include "../utils/common.hpp"
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/* Driver Code */
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int main() {
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/* 初始化列表 */
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vector<int> nums = {1, 3, 2, 5, 4};
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cout << "列表 nums = ";
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printVector(nums);
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/* 访问元素 */
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int num = nums[1];
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cout << "访问索引 1 处的元素，得到 num = " << num << endl;
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/* 更新元素 */
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nums[1] = 0;
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cout << "将索引 1 处的元素更新为 0 ，得到 nums = ";
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printVector(nums);
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/* 清空列表 */
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nums.clear();
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cout << "清空列表后 nums = ";
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printVector(nums);
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/* 在尾部添加元素 */
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nums.push_back(1);
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nums.push_back(3);
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nums.push_back(2);
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nums.push_back(5);
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nums.push_back(4);
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cout << "添加元素后 nums = ";
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printVector(nums);
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/* 在中间插入元素 */
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nums.insert(nums.begin() + 3, 6);
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cout << "在索引 3 处插入数字 6 ，得到 nums = ";
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printVector(nums);
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/* 删除元素 */
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nums.erase(nums.begin() + 3);
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cout << "删除索引 3 处的元素，得到 nums = ";
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printVector(nums);
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/* 通过索引遍历列表 */
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int count = 0;
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for (int i = 0; i < nums.size(); i++) {
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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 (int x : 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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vector<int> nums1 = {6, 8, 7, 10, 9};
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nums.insert(nums.end(), nums1.begin(), nums1.end());
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cout << "将列表 nums1 拼接到 nums 之后，得到 nums = ";
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printVector(nums);
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/* 排序列表 */
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sort(nums.begin(), nums.end());
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cout << "排序列表后 nums = ";
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printVector(nums);
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return 0;
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}
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