diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fd8b854
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.*
+build
+!.gitignore
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..633a4b6
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+project(alogrithm_2024)
+
+add_executable(P1031 ${CMAKE_CURRENT_LIST_DIR}/P1031/main.cpp)
\ No newline at end of file
diff --git a/P1031/main.cpp b/P1031/main.cpp
new file mode 100644
index 0000000..6f3d533
--- /dev/null
+++ b/P1031/main.cpp
@@ -0,0 +1,32 @@
+#include <ios>
+#include<iostream>
+
+int n;
+int a[(int)1e4+5];
+
+int main(){
+    std::ios::sync_with_stdio(false),std::cin.tie(nullptr),std::cout.tie(nullptr);
+
+    std::cin>>n;
+
+    int sum=0;
+    for(int i=1;i<=n;i++){
+        std::cin>>a[i];
+        sum+=a[i];
+    }
+
+    int avg = sum/n;
+
+    int ans = 0;
+    for(int i=1;i<n;i++){
+        ans++;
+        if(a[i]>avg){
+            a[i+1]+=a[i]-avg;
+        }else if(a[i]<avg){
+            a[i+1]-=avg-a[i];
+        }else{
+            ans--;
+        }
+    }
+    std::cout<<ans<<"\n";
+}
\ No newline at end of file