2023-12-20

2023-12-20 01:30:54 +08:00
parent 5667dabd66
commit 448e3dd276
14 changed files with 906 additions and 0 deletions
--- a/Classwork14/Classwork14.sln
+++ b/Classwork14/Classwork14.sln
@@ -0,0 +1,61 @@
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--- a/Classwork14/S14_1/S14_1.cpp
+++ b/Classwork14/S14_1/S14_1.cpp
@@ -0,0 +1,43 @@
+#include <iostream>
+#include <cmath>
+using namespace std;
+class Tri
+{
+	double a, b, c;
+public:
+	Tri(double x, double y, double z)
+	{
+		a = x; b = y; c = z;
+	}
+	double Peri()
+	{
+		return a + b + c;
+	}
+	double Area()
+	{
+		double s = Peri() / 2;
+		double area = sqrt(s * (s - a) * (s - b) * (s - c));
+		return area;
+	}
+	void Show()
+	{
+		cout << "三角形的边长：" << a << '\t' << b << '\t' << c << endl;
+		cout << "三角形的周长：" << Peri() << endl;
+		cout << "三角形的面积：" << Area() << endl << endl;
+	}
+};
+int main()
+{
+	Tri tri1(3, 4, 5), tri2(5, 6, 7);
+	tri1.Show();
+	tri2.Show();
+	return 0;
+}
+
+// 三角形的边长：3 4 5
+// 三角形的周长：12
+// 三角形的面积：6
+// 
+// 三角形的边长：5	 6 7
+// 三角形的周长：18
+// 三角形的面积：14.6969
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--- a/Classwork14/S14_2/S14_2.cpp
+++ b/Classwork14/S14_2/S14_2.cpp
@@ -0,0 +1,56 @@
+#include <iostream>
+using namespace std;
+class NUM
+{
+private:
+	int n;
+	int* p;
+public:
+	NUM(int n1)
+	{
+		n = n1;
+		p = new int[n];
+	}
+	int yes(int x)
+	{
+		for (int i = 2; i <= x / 2; i++)
+			if (x % i == 0)
+				return 1;
+		return 0;
+	}
+	void fun()
+	{
+		int j;
+		for (int i = 3; 1; i++)
+		{
+			j = 0;
+			while (yes(i) == 1 && j < n)
+			{
+				p[j] = i;
+				j++;
+				i++;
+			}
+			if (j == n)
+				break;
+		}
+	}
+	void print()
+	{
+		for (int i = 0; i < n; i++)
+			cout << p[i] << "\t";
+		cout << endl;
+	}
+	~NUM()
+	{
+		if (p) delete[] p;
+	}
+};
+int main()
+{
+	NUM num(10);
+	num.fun();
+	num.print();
+	return 0;
+}
+
+// 114     115     116     117     118     119     120     121     122     123
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--- a/Classwork14/S14_3/S14_3.cpp
+++ b/Classwork14/S14_3/S14_3.cpp
@@ -0,0 +1,46 @@
+#include <iostream>
+using namespace std;
+class STR
+{
+private:
+	char* s1;
+	char* s2;
+public:
+	STR(char* str)
+	{
+		s1 = str;
+		s2 = new char[strlen(str)];
+	}
+	void delsame()
+	{
+		int i, j, k = 0;
+		for (i = 0; s1[i] != '\0'; i++)
+		{
+			for (j = 0; s2[j] != '\0'; j++)
+				if (s1[i] == s2[j])
+					break;
+			if (s2[j] == '\0')
+			{
+				s2[k] = s1[i];
+				k++;
+			}
+		}
+		s2[k] = '\0';
+	}
+	void show()
+	{
+		cout << s2 << endl;
+	}
+	~STR()
+	{
+		if (s2) delete[] s2;
+	}
+};
+int main()
+{
+	char str[] = "concoon";
+	STR test(str);
+	test.delsame();
+	test.show();
+	return 0;
+}
--- a/Classwork14/S14_3/S14_3.vcxproj
+++ b/Classwork14/S14_3/S14_3.vcxproj
@@ -0,0 +1,135 @@
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--- a/Classwork14/S14_3/S14_3.vcxproj.filters
+++ b/Classwork14/S14_3/S14_3.vcxproj.filters
@@ -0,0 +1,22 @@
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--- a/Classwork14/S14_4/S14_4.cpp
+++ b/Classwork14/S14_4/S14_4.cpp
@@ -0,0 +1,72 @@
+#include <iostream>
+#include <ctime>
+using namespace std;
+class Circle
+{
+private:
+	int num[20];
+	int Max[4];
+	int Min[4];
+	int sum_max;
+	int sum_min;
+public:
+	Circle()
+	{
+		srand(time(NULL));
+		// srand(0); // For testing purpose
+		for(int i = 0; i < 20; i++)
+			num[i] = rand() % 100;
+	}
+	void Find_Max()
+	{
+		int temp[23];
+		sum_max = 0, sum_min = 400;
+		for (int i = 0; i < 20; i++)
+			temp[i] = num[i];
+		for (int i = 20; i < 23; i++)
+			temp[i] = num[i - 20];
+		for (int i = 0; i < 4; i++)
+			Max[i] = Min[i] = temp[i] + temp[i + 1] + temp[i + 2] + temp[i + 3];
+		for (int i = 4; i < 20; i++)
+		{
+			if (temp[i] + temp[i + 1] + temp[i + 2] + temp[i + 3] > sum_max)
+			{
+				Max[0] = temp[i];
+				Max[1] = temp[i + 1];
+				Max[2] = temp[i + 2];
+				Max[3] = temp[i + 3];
+				sum_max = Max[0] + Max[1] + Max[2] + Max[3];
+			}
+			if (temp[i] + temp[i + 1] + temp[i + 2] + temp[i + 3] < sum_min)
+			{
+				Min[0] = temp[i];
+				Min[1] = temp[i + 1];
+				Min[2] = temp[i + 2];
+				Min[3] = temp[i + 3];
+				sum_min = Min[0] + Min[1] + Min[2] + Min[3];
+			}
+		}
+	}
+	void Show()
+	{
+		cout << "圆盘中的20个随机数分别为：" << endl;
+		for (int i = 0; i < 20; i++)
+			cout << num[i] << '\t';
+		cout << endl;
+		cout << "Max = " << sum_max << endl;
+		for (int i = 0; i < 4; i++)
+			cout << Max[i] << '\t';
+		cout << endl;
+		cout << "Min = " << sum_min << endl;
+		for (int i = 0; i < 4; i++)
+			cout << Min[i] << '\t';
+		cout << endl;
+	}
+};
+int main()
+{
+	Circle cir;
+	cir.Find_Max();
+	cir.Show();
+	return 0;
+}
--- a/Classwork14/S14_4/S14_4.vcxproj
+++ b/Classwork14/S14_4/S14_4.vcxproj
@@ -0,0 +1,135 @@
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--- a/Classwork14/S14_4/S14_4.vcxproj.filters
+++ b/Classwork14/S14_4/S14_4.vcxproj.filters
@@ -0,0 +1,22 @@
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--- a/Classwork14/实验报告.doc
+++ b/Classwork14/实验报告.doc