diff --git a/20260314/25a.cpp b/20260314/25a.cpp
new file mode 100644
index 0000000..b751564
--- /dev/null
+++ b/20260314/25a.cpp
@@ -0,0 +1,23 @@
+#include<iostream>
+using namespace std;
+int a[100],n;
+int add(int x,int y){
+	int z=x+y;
+	cout<<n<<endl;
+	return z;
+}
+int main(){
+	cin>>n;
+	for(int i=1;i<=n;i++){
+		cin>>a[i];
+	}
+	int z,ans=0;
+	for(int i=1;i<=n;i++){
+		z=add(ans,a[i]);
+		ans=ans+z;
+	}
+         	cout<<z<<endl;
+	        cout<<ans<<endl;
+	return 0;
+}
+	
diff --git a/20260314/25b.cpp b/20260314/25b.cpp
new file mode 100644
index 0000000..e5c99d0
--- /dev/null
+++ b/20260314/25b.cpp
@@ -0,0 +1,16 @@
+#include<iostream>
+using namespace std;
+void w(int a,int b){
+	if(a>b)
+		cout<<a<<endl;
+		else
+         	cout<<b<<endl;
+	
+}
+int main(){
+	int a,b;
+	cout<<"请输入两个整数:";
+	cin>>a>>b;
+	w(a,b);
+	return 0;
+}
diff --git a/20260314/25c.cpp b/20260314/25c.cpp
new file mode 100644
index 0000000..15a8a28
--- /dev/null
+++ b/20260314/25c.cpp
@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+
+int x(int n){
+
+	int y=1;
+	for(int i=1;i<=n;i++)
+		y=y*i;
+	return y;
+
+}
+
+int main(){
+	int a,b=1;
+	cout<<"请输入一个整数:";
+	cin>>a;
+	
+	b=x(a);	
+	cout<<b<<endl;
+	return 0;
+}