diff --git a/Project1/.vs/Project1/FileContentIndex/0f5ec332-e46c-49ff-ace9-108a862892d9.vsidx b/Project1/.vs/Project1/FileContentIndex/0f5ec332-e46c-49ff-ace9-108a862892d9.vsidx
deleted file mode 100644
index d1cf2c1..0000000
Binary files a/Project1/.vs/Project1/FileContentIndex/0f5ec332-e46c-49ff-ace9-108a862892d9.vsidx and /dev/null differ
diff --git a/Project1/.vs/Project1/FileContentIndex/f4a5a42e-dded-4ca8-af29-37b630541385.vsidx b/Project1/.vs/Project1/FileContentIndex/f4a5a42e-dded-4ca8-af29-37b630541385.vsidx
new file mode 100644
index 0000000..dee95c3
Binary files /dev/null and b/Project1/.vs/Project1/FileContentIndex/f4a5a42e-dded-4ca8-af29-37b630541385.vsidx differ
diff --git a/Project1/.vs/Project1/FileContentIndex/fd43923d-165d-46ea-9189-efed2b351a5c.vsidx b/Project1/.vs/Project1/FileContentIndex/fd43923d-165d-46ea-9189-efed2b351a5c.vsidx
new file mode 100644
index 0000000..bfdd75a
Binary files /dev/null and b/Project1/.vs/Project1/FileContentIndex/fd43923d-165d-46ea-9189-efed2b351a5c.vsidx differ
diff --git a/Project1/.vs/Project1/v17/.suo b/Project1/.vs/Project1/v17/.suo
index bdd79f0..56671c4 100644
Binary files a/Project1/.vs/Project1/v17/.suo and b/Project1/.vs/Project1/v17/.suo differ
diff --git a/Project1/.vs/Project1/v17/Browse.VC.db b/Project1/.vs/Project1/v17/Browse.VC.db
index ab0a2e5..272c286 100644
Binary files a/Project1/.vs/Project1/v17/Browse.VC.db and b/Project1/.vs/Project1/v17/Browse.VC.db differ
diff --git a/Project1/.vs/Project1/v17/DocumentLayout.json b/Project1/.vs/Project1/v17/DocumentLayout.json
index e45cadb..455261f 100644
--- a/Project1/.vs/Project1/v17/DocumentLayout.json
+++ b/Project1/.vs/Project1/v17/DocumentLayout.json
@@ -6,7 +6,18 @@
     {
       "Orientation": 0,
       "VerticalTabListWidth": 256,
-      "DocumentGroups": []
+      "DocumentGroups": [
+        {
+          "DockedWidth": 200,
+          "SelectedChildIndex": -1,
+          "Children": [
+            {
+              "$type": "Bookmark",
+              "Name": "ST:0:0:{1c4feeaa-4718-4aa9-859d-94ce25d182ba}"
+            }
+          ]
+        }
+      ]
     }
   ]
 }
\ No newline at end of file
diff --git a/Project1/.vs/Project1/v17/ipch/AutoPCH/ec8e88fd744f8786/成绩判断.ipch b/Project1/.vs/Project1/v17/ipch/AutoPCH/ec8e88fd744f8786/成绩判断.ipch
new file mode 100644
index 0000000..38284dc
Binary files /dev/null and b/Project1/.vs/Project1/v17/ipch/AutoPCH/ec8e88fd744f8786/成绩判断.ipch differ
diff --git a/Project1/Project1.vcxproj b/Project1/Project1.vcxproj
index fd74c7f..f7f099e 100644
--- a/Project1/Project1.vcxproj
+++ b/Project1/Project1.vcxproj
@@ -17,7 +17,6 @@
       <Configuration>Release</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
-
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>17.0</VCProjectVersion>
@@ -53,27 +52,24 @@
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
-
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
-  <ImportGroup Label="Shared" >
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
-    <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-      <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    </ImportGroup>
-    <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    </ImportGroup>
-    <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-      <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    </ImportGroup>
-    <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    </ImportGroup>
-
   <PropertyGroup Label="UserMacros" />
-
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
@@ -130,9 +126,10 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
   </ItemDefinitionGroup>
-
-  <ItemGroup></ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="成绩判断.cpp" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/Project1/Project1.vcxproj.filters b/Project1/Project1.vcxproj.filters
index afef69e..145cf52 100644
--- a/Project1/Project1.vcxproj.filters
+++ b/Project1/Project1.vcxproj.filters
@@ -14,4 +14,9 @@
       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
     </Filter>
   </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="成绩判断.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Project1/Project1/x64/Debug/Project1.exe.recipe b/Project1/Project1/x64/Debug/Project1.exe.recipe
new file mode 100644
index 0000000..69562c8
--- /dev/null
+++ b/Project1/Project1/x64/Debug/Project1.exe.recipe
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <ProjectOutputs>
+    <ProjectOutput>
+      <FullPath>D:\C++\Project1\x64\Debug\Project1.exe</FullPath>
+    </ProjectOutput>
+  </ProjectOutputs>
+  <ContentFiles />
+  <SatelliteDlls />
+  <NonRecipeFileRefs />
+</Project>
\ No newline at end of file
diff --git a/Project1/Project1/x64/Debug/Project1.ilk b/Project1/Project1/x64/Debug/Project1.ilk
new file mode 100644
index 0000000..c9038f3
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.ilk differ
diff --git a/Project1/Project1/x64/Debug/Project1.log b/Project1/Project1/x64/Debug/Project1.log
new file mode 100644
index 0000000..3f8b1f4
--- /dev/null
+++ b/Project1/Project1/x64/Debug/Project1.log
@@ -0,0 +1,2 @@
+  成绩判断.cpp
+  Project1.vcxproj -> D:\C++\Project1\x64\Debug\Project1.exe
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/CL.command.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/CL.command.1.tlog
new file mode 100644
index 0000000..8cfbebc
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.tlog/CL.command.1.tlog differ
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/CL.read.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/CL.read.1.tlog
new file mode 100644
index 0000000..3f4942a
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.tlog/CL.read.1.tlog differ
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/CL.write.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/CL.write.1.tlog
new file mode 100644
index 0000000..7b08b9d
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.tlog/CL.write.1.tlog differ
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/Cl.items.tlog b/Project1/Project1/x64/Debug/Project1.tlog/Cl.items.tlog
new file mode 100644
index 0000000..0338873
--- /dev/null
+++ b/Project1/Project1/x64/Debug/Project1.tlog/Cl.items.tlog
@@ -0,0 +1 @@
+D:\C++\Project1\成绩判断.cpp;D:\C++\Project1\Project1\x64\Debug\成绩判断.obj
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/Project1.lastbuildstate b/Project1/Project1/x64/Debug/Project1.tlog/Project1.lastbuildstate
new file mode 100644
index 0000000..68f5825
--- /dev/null
+++ b/Project1/Project1/x64/Debug/Project1.tlog/Project1.lastbuildstate
@@ -0,0 +1,2 @@
+PlatformToolSet=v143:VCToolArchitecture=Native64Bit:VCToolsVersion=14.40.33807:TargetPlatformVersion=10.0.22621.0:
+Debug|x64|D:\C++\Project1\|
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/link.command.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/link.command.1.tlog
new file mode 100644
index 0000000..0e6a286
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.tlog/link.command.1.tlog differ
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/link.read.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/link.read.1.tlog
new file mode 100644
index 0000000..df057ae
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.tlog/link.read.1.tlog differ
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/link.secondary.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/link.secondary.1.tlog
new file mode 100644
index 0000000..5b9a034
--- /dev/null
+++ b/Project1/Project1/x64/Debug/Project1.tlog/link.secondary.1.tlog
@@ -0,0 +1,2 @@
+^D:\C++\PROJECT1\PROJECT1\X64\DEBUG\成绩判断.OBJ
+D:\C++\Project1\Project1\x64\Debug\Project1.ilk
diff --git a/Project1/Project1/x64/Debug/Project1.tlog/link.write.1.tlog b/Project1/Project1/x64/Debug/Project1.tlog/link.write.1.tlog
new file mode 100644
index 0000000..50af529
Binary files /dev/null and b/Project1/Project1/x64/Debug/Project1.tlog/link.write.1.tlog differ
diff --git a/Project1/Project1/x64/Debug/vc143.idb b/Project1/Project1/x64/Debug/vc143.idb
new file mode 100644
index 0000000..25d8e6e
Binary files /dev/null and b/Project1/Project1/x64/Debug/vc143.idb differ
diff --git a/Project1/Project1/x64/Debug/vc143.pdb b/Project1/Project1/x64/Debug/vc143.pdb
new file mode 100644
index 0000000..cd7a82b
Binary files /dev/null and b/Project1/Project1/x64/Debug/vc143.pdb differ
diff --git a/Project1/Project1/x64/Debug/成绩判断.obj b/Project1/Project1/x64/Debug/成绩判断.obj
new file mode 100644
index 0000000..a6a412b
Binary files /dev/null and b/Project1/Project1/x64/Debug/成绩判断.obj differ
diff --git a/Project1/x64/Debug/Project1.exe b/Project1/x64/Debug/Project1.exe
new file mode 100644
index 0000000..7f3923c
Binary files /dev/null and b/Project1/x64/Debug/Project1.exe differ
diff --git a/Project1/x64/Debug/Project1.pdb b/Project1/x64/Debug/Project1.pdb
new file mode 100644
index 0000000..15f6d61
Binary files /dev/null and b/Project1/x64/Debug/Project1.pdb differ
diff --git a/Project1/成绩判断.cpp b/Project1/成绩判断.cpp
new file mode 100644
index 0000000..6f2e00e
--- /dev/null
+++ b/Project1/成绩判断.cpp
@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+int main() {
+	int n;
+	cin >> n;
+	if (n >= 90) {
+		cout << "����";
+	}
+	else if (n >= 75) {
+		cout << "����";
+	}
+	else if (n >= 60) {
+		cout << "����";
+	}
+	else {
+		cout << "������";
+	}
+
+
+	return 0;
+}
\ No newline at end of file