59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
// 编写一个程序,实现直接插入排序算法。用相关数据进行测试,并输出各趟的排序结果。
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#include<iostream>
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#include<vector>
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using namespace std;
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template<typename T>
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void InsertSort(vector<T> &v) {
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for (int i = 1; i < v.size(); i++) {
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T key = v[i];
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int j = i - 1;
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while (j >= 0 && v[j] > key) {
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v[j + 1] = v[j];
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j = j - 1;
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}
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v[j + 1] = key;
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cout << "第" << i << "趟排序:" << endl;
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cout << "插入前:";
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for (int k = 0; k < j + 1; k++) {
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cout << v[k] << " ";
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}
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cout << "(" << key << ")";
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for (int k = i + 2; k < i; k++) {
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cout << v[k] << " ";
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}
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cout << endl;
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cout << "插入后:";
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for (int k = 0; k < v.size(); k++) {
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cout << v[k] << " ";
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}
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cout << endl;
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}
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}
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int main() {
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vector<int> v = {1, 3, 2, 4, 6, 5, 7, 10, 9, 8};
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cout << "排序前:" << endl;
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for (int i = 0; i < v.size(); i++) {
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cout << v[i] << " ";
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}
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cout << endl;
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InsertSort(v);
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cout << "排序后:" << endl;
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for (int i = 0; i < v.size(); i++) {
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cout << v[i] << " ";
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}
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cout << endl;
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return 0;
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}
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