diff --git a/2207/C语言同步练习源码/5.指针-1.c b/2207/C语言同步练习源码/5.指针-1.c
new file mode 100644
index 0000000..2cd156e
--- /dev/null
+++ b/2207/C语言同步练习源码/5.指针-1.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+
+int main(){
+	int a[10], b[10];
+	int i;
+	int *p, *q;
+	
+	for(i=0, p=a;i<10;i++){
+		scanf("%d", p++);
+	}
+	for(i=0, p=a, q=b;i<10;i++){
+		if(*p%2==0){
+			*q++=*p;
+		}
+		p++;
+	}
+	for(i=0, p=b;i<q-b;i++){
+		printf("%d ", *p++);
+	}
+	printf("\n");
+	
+
+	return 0;
+}
+
diff --git a/2207/C语言同步练习答案.md b/2207/C语言同步练习答案.md
index b70bd79..f5618bc 100644
--- a/2207/C语言同步练习答案.md
+++ b/2207/C语言同步练习答案.md
@@ -742,6 +742,34 @@ int main(){
 
 ![image-20250227231209008](https://yp.smallkun.cn/markdown/image-20250227231209008.png!compress)
 
+```c
+#include <stdio.h>
+
+int main(){
+	int a[10], b[10];
+	int i;
+	int *p, *q;
+	
+	for(i=0, p=a;i<10;i++){
+		scanf("%d", p++);
+	}
+	for(i=0, p=a, q=b;i<10;i++){
+		if(*p%2==0){
+			*q++=*p;
+		}
+		p++;
+	}
+	for(i=0, p=b;i<q-b;i++){
+		printf("%d ", *p++);
+	}
+	printf("\n");
+	
+
+	return 0;
+}
+
+```
+
 
 
 ### 指针-2