Synchronization of old projects

Part1
2025-09-30 16:46:01 +08:00
parent 116b65164b
commit 4e1548abe2
167 changed files with 8668 additions and 43 deletions
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,60 @@
+using System;
+namespace Lesson
+{
+    class Program
+    {
+        static void SumAndAvg(params int[] num)
+        {
+            if (num.Length == 0)
+            {
+                Console.WriteLine("没有东西");
+                return;
+            }
+            else
+            {
+                int sum = 0, avg;
+                for (int i = 0; i < num.Length; i++)
+                {
+                    sum += num[i];
+                }
+                avg = sum / num.Length;
+                Console.WriteLine("总和为:" + sum);
+                Console.WriteLine("平均为:" + avg);
+            }
+            
+        }
+
+        static void Calc(params int[] arr)
+        {
+            if(arr.Length == 0)
+            {
+                Console.WriteLine("没有东西");
+                return;
+            }
+            else
+            {
+                int sum1 = 0, sum2 = 0;
+                for (int i = 0; i < arr.Length; i++)
+                {
+                    if (arr[i] % 2 == 0)
+                    {
+                        sum1 += arr[i];
+                    }
+                    else
+                    {
+                        sum2 += arr[i];
+                    }
+                }
+                Console.WriteLine("奇数合:"+sum2);
+                Console.WriteLine("偶数合:"+sum1);
+            }
+        }
+        static void Main(string[] args)
+        {
+            SumAndAvg();
+            SumAndAvg(1,2,3,4,5,6,7,8,9,10);
+            Calc();
+            Calc(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
+        }
+    }
+}