实验七第一题

homework7/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.30)
+project(homework7)
+
+set(CMAKE_CXX_STANDARD 20)
+
+add_executable(test1 test1.cpp)

homework7/test1.cpp

@@ -0,0 +1,58 @@
+// 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。
+
+#include<iostream>
+#include<vector>
+
+using namespace std;
+
+template<typename T>
+void InsertSort(vector<T> &v) {
+    for (int i = 1; i < v.size(); i++) {
+        T key = v[i];
+        int j = i - 1;
+
+        while (j >= 0 && v[j] > key) {
+            v[j + 1] = v[j];
+            j = j - 1;
+        }
+        v[j + 1] = key;
+
+        cout << "第" << i << "趟排序：" << endl;
+        cout << "插入前：";
+        for (int k = 0; k < j + 1; k++) {
+            cout << v[k] << " ";
+        }
+        cout << "(" << key << ")";
+        for (int k = i + 2; k < i; k++) {
+            cout << v[k] << " ";
+        }
+        cout << endl;
+
+        cout << "插入后：";
+        for (int k = 0; k < v.size(); k++) {
+            cout << v[k] << " ";
+        }
+        cout << endl;
+    }
+}
+
+int main() {
+    vector<int> v = {1, 3, 2, 4, 6, 5, 7, 10, 9, 8};
+
+    cout << "排序前：" << endl;
+    for (int i = 0; i < v.size(); i++) {
+        cout << v[i] << " ";
+    }
+    cout << endl;
+
+
+    InsertSort(v);
+
+    cout << "排序后：" << endl;
+    for (int i = 0; i < v.size(); i++) {
+        cout << v[i] << " ";
+    }
+    cout << endl;
+
+    return 0;
+}