57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
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/**
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* File: bubble_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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/* ð<><C3B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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void bubbleSort(vector<int> &nums) {
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// <20><>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ [0, i]
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for (int i = nums.size() - 1; i > 0; i--) {
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// <20><>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> [0, i] <20>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ؽ<EFBFBD><D8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҷ<EFBFBD>
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for (int j = 0; j < i; j++) {
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if (nums[j] > nums[j + 1]) {
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// <20><><EFBFBD><EFBFBD> nums[j] <20><> nums[j + 1]
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// <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD> std::swap() <20><><EFBFBD><EFBFBD>
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swap(nums[j], nums[j + 1]);
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}
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}
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}
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}
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/* ð<><C3B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD>Ż<EFBFBD><C5BB><EFBFBD>*/
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void bubbleSortWithFlag(vector<int> &nums) {
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// <20><>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ [0, i]
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for (int i = nums.size() - 1; i > 0; i--) {
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bool flag = false; // <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>־λ
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// <20><>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> [0, i] <20>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ؽ<EFBFBD><D8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҷ<EFBFBD>
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for (int j = 0; j < i; j++) {
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if (nums[j] > nums[j + 1]) {
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// <20><><EFBFBD><EFBFBD> nums[j] <20><> nums[j + 1]
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// <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD> std::swap() <20><><EFBFBD><EFBFBD>
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swap(nums[j], nums[j + 1]);
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flag = true; // <20><>¼<EFBFBD><C2BC><EFBFBD><EFBFBD>Ԫ<EFBFBD><D4AA>
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}
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}
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if (!flag)
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break; // <20><><EFBFBD>֡<EFBFBD>ð<EFBFBD>ݡ<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>Ԫ<EFBFBD>أ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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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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bubbleSort(nums);
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cout << "ð<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD> nums = ";
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printVector(nums);
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vector<int> nums1 = {4, 1, 3, 1, 5, 2};
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bubbleSortWithFlag(nums1);
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cout << "ð<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD> nums1 = ";
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printVector(nums1);
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return 0;
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}
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