diff --git a/20240823/十四届蓝桥比赛/14届省赛真题C++.pdf b/20240823/十四届蓝桥比赛/14届省赛真题C++.pdf
new file mode 100644
index 0000000..28c188f
Binary files /dev/null and b/20240823/十四届蓝桥比赛/14届省赛真题C++.pdf differ
diff --git a/20240823/十四届蓝桥比赛/主要成分.cpp b/20240823/十四届蓝桥比赛/主要成分.cpp
new file mode 100644
index 0000000..87d95b6
--- /dev/null
+++ b/20240823/十四届蓝桥比赛/主要成分.cpp
@@ -0,0 +1,10 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+int n;
+
+int main(){
+    ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
+
+    
+}
\ No newline at end of file
diff --git a/20240823/十四届蓝桥比赛/八进制回文平方数.cpp b/20240823/十四届蓝桥比赛/八进制回文平方数.cpp
new file mode 100644
index 0000000..ebc18a8
--- /dev/null
+++ b/20240823/十四届蓝桥比赛/八进制回文平方数.cpp
@@ -0,0 +1,38 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+bool is_pf(int n){
+    int a = sqrt(n);
+    if(a*a==n){
+        return true;
+    }else{
+        return false;
+    }
+}
+
+bool is_huiwen(int n){
+    stringstream ss;
+    ss<<std::oct<<n;
+    string bjz(ss.str());
+    int j=bjz.size()-1;
+    for(int i=0;i<bjz.size();++i,--j){
+        if(bjz[i]!=bjz[j]){
+            return false;
+        }
+    }
+    return true;
+}
+
+int main(){
+    ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
+
+    int n;
+    cin>>n;
+    
+    for(int i=1;i<=n;i++){
+        if(is_pf(i)&&is_huiwen(i)){
+            cout<<i<<" ";
+        }
+    }
+    cout<<endl;
+}
\ No newline at end of file
diff --git a/20240823/十四届蓝桥比赛/选择题.txt b/20240823/十四届蓝桥比赛/选择题.txt
new file mode 100644
index 0000000..6fd0d9b
--- /dev/null
+++ b/20240823/十四届蓝桥比赛/选择题.txt
@@ -0,0 +1,5 @@
+1. A
+2. D
+3. C
+4. A
+5. C
\ No newline at end of file
diff --git a/xmake.lua b/xmake.lua
index 91f6521..55e0f53 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -1,4 +1,15 @@
+add_rules("mode.debug","mode.release")
+if is_mode("debug") then 
+    add_cxxflags("-O2")
+end 
+set_languages("c++17")
+
 target("P1158")
     set_rundir("20240821/P1158")
     add_files("20240821/P1158/P1158.cpp")
-    
\ No newline at end of file
+
+target("lq148jz")
+    add_files("20240823/十四届蓝桥比赛/八进制回文平方数.cpp")
+
+target("lq14zy")
+    add_files("20240823/十四届蓝桥比赛/主要成分.cpp")
\ No newline at end of file