32 lines
799 B
C++
32 lines
799 B
C++
/**
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* File: insertion_sort.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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/* 插入排序 */
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void insertionSort(vector<int> &nums) {
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// 外循环：已排序元素数量为 1, 2, ..., n
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for (int i = 1; i < nums.size(); i++) {
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int base = nums[i], j = i - 1;
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// 内循环：将 base 插入到已排序部分的正确位置
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while (j >= 0 && nums[j] > base) {
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nums[j + 1] = nums[j]; // 将 nums[j] 向右移动一位
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j--;
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}
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nums[j + 1] = base; // 将 base 赋值到正确位置
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}
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}
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/* Driver Code */
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int main() {
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vector<int> nums = {4, 1, 3, 1, 5, 2};
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insertionSort(nums);
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cout << "插入排序完成后 nums = ";
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printVector(nums);
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return 0;
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}
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