文章标题 原创 翻译 转载 文章内容 ``` /*插入排序*/ #include <iostream> using namespace std; template <class T> void SWAP(T &x, T &y) { T t; t = x; x = y; y = t; } template <class T> void Insert(T a[], int n, const T x) { int i; for (i = n-1; i >= 0 && x < a[i]; i--) { a[i+1] = a[i]; } a[i+1] = x; } template <class T> void InsertionSort(T a[], int n) { for (int i = 1; i < n; i++) { T t = a[i]; Insert(a, i, t); } } ``` ``` /*及时终止的冒泡排序*/ #include "stdafx.h" #include <iostream> using namespace std; template <class T> void SWAP(T &x, T &y) { T t; t = x; x = y; y = t; } template <class T> bool Bubble(T a[], int n) { bool isSwapped = false; for (int i = 0; i < n - 1; i++) { if (a[i] > a[i+1]) { SWAP(a[i], a[i+1]); isSwapped = true; } } return isSwapped; } template <class T> void BubbleSort(T a[], int n) { for (int i = n; i > 1 && Bubble(a, i); i--); } ``` ``` /*终止不必要的选择排序*/ #include "stdafx.h" #include <iostream> using namespace std; template <class T> void SWAP(T &x, T &y) { T t; t = x; x = y; y = t; } template<class T> void SelectionSort(T a[], int n) { bool sorted = false; for (int size = n; !sorted && (size > 1); size--) { int pos = 0; sorted = true; for (int i = 1; i < size; i++) { if (a[pos] <= a[i]) { pos = i; } else { sorted = false; } } SWAP(a[pos], a[size-1]); } } ``` ``` // 快速排序 template <class T> void SWAP(T &x, T &y) { T t; t = x; x = y; y = t; } template <class T> int partition(T a[], int lower, int upper) { T pivot = a[lower]; // 注意这里不要写成了a[0] while (lower < upper) { while (lower < upper && a[upper] >= pivot) // 不要忘了加= { upper--; } SWAP(a[lower], a[upper]); while (lower < upper && a[lower] <= pivot) { lower++; } SWAP(a[lower], a[upper]); } return lower; } template <class T> void quicksort(T a[], int lower, int upper) { int flag; if (lower < upper) { flag = partition(a, lower, upper); quicksort(a, lower, flag - 1); quicksort(a, flag + 1, upper); } } ``` > 2011-08-12 文章类别 Python Mobile Android Java Shell Life Database Bug Windows IOS Tools Boost Node.js Mac Product Tips C/C++ Golang Javascript React Qt MQ MongoDB Design Web Linux LLM ChatGPT RAG AI 提交