運行效果

實現排序、計算最小值、計算最大值、計算平均值的功能。

控件屬性表格如下：

代碼

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Test2018_2019_4_A {public partial class Form1 : Form{public Form1(){InitializeComponent();}//9,13,21,7,77,89,29,67,10,98private void btnExit_Click(object sender, EventArgs e){Application.Exit();//(2) 說明語句的含義}private void bubleSort(double[] data)//冒泡法排序{//(3) 畫出該算法的流程圖int i, j, n;double temp;bool IsSwapedflag = false;n = data.Length;for (i = 0; i < n - 1; i++){IsSwapedflag = false;for (j = 0; j < n - 1 - i; j++){if (data[j] > data[j + 1]){temp = data[j]; data[j] = data[j + 1]; data[j + 1] = temp;IsSwapedflag = true;}}if (IsSwapedflag == false) break;}}//(4) 根據算法給出答題紙中給出的數據的排序過程private void ComputeMinmum(double[] data, out double minData)//計算最小值函數{double minValue = data[0];int n = data.Length;foreach (double x_i in data){if (x_i < minValue) minValue = x_i;}minData = minValue;}private void ComputeMaximum(double[] data, out double maxData)//計算最大值函數{double maxValue = data[0];int n = data.Length;foreach (double x_i in data){if (x_i > maxValue) maxValue = x_i;}maxData = maxValue;}private void ComputeAverage(double[] data, out double meanData)//計算平均值函數{double meanValue = 0.0, sum = 0.0;int n = data.Length;foreach (double x_i in data){sum += x_i;}meanValue = sum / n;meanData = meanValue;}private void btnCompute_Click_1(object sender, EventArgs e){//(1) 給出代碼設計完成相應的預期功能string str = textBox1.Text;string[] strdata = str.Split(',');double[] data = new double[strdata.Length];//new出的數組大小居然可以是變量int i;double mindata;double maxdata;double averagedata;for (i = 0; i < strdata.Length; i++){data[i] = int.Parse(strdata[i]);}if (radioButtonSort.Checked)//排序{bubleSort(data);textBox2.Text = "原始數據是：";for (i = 0; i < data.Length; i++){textBox2.Text += strdata[i];textBox2.Text += " ";}textBox2.Text += "計算結果是：";for (i = 0; i < data.Length; i++){textBox2.Text += data[i];textBox2.Text += " ";}}else if (radioBtnMinumum.Checked){ComputeMinmum(data, out mindata);textBox2.Text = "最小值是：";textBox2.Text += mindata;}else if (radioBtnMaximum.Checked){ComputeMaximum(data, out maxdata);textBox2.Text = "最大值是：";textBox2.Text += maxdata;}else if (radioBtnAverage.Checked){ComputeAverage(data, out averagedata);textBox2.Text = "平均值是：";textBox2.Text += averagedata;}}} }

總結

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