diff --git a/2207/C语言同步练习源码/5.指针-4.c b/2207/C语言同步练习源码/5.指针-4.c
new file mode 100644
index 0000000..85aeb8d
--- /dev/null
+++ b/2207/C语言同步练习源码/5.指针-4.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <string.h>
+
+int main(){
+	char str[5][20];
+	char (*p)[20], (*max)[20];//�������� (*������)[����];����ָ�� 
+	int i;
+	for(i=0, p =str;i<5;i++){
+		scanf("%s", p++);
+	}
+	max = p;
+	
+	for(i=1, p =str+1;i<5;i++){
+		if(strcmp(*p, *max)){
+			max = p;
+		}
+		p++;
+	}
+	printf("max = %s\n", max);
+
+	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 b3b7d24..3c1f595 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
@@ -836,6 +836,32 @@ int main(){
 
 ![image-20250227231243197](https://yp.smallkun.cn/markdown/image-20250227231243197.png!compress)
 
+```c
+#include <stdio.h>
+#include <string.h>
+
+int main(){
+	char str[5][20];
+	char (*p)[20], (*max)[20];//数据类型 (*变量名)[长度];数组指针 
+	int i;
+	for(i=0, p =str;i<5;i++){
+		scanf("%s", p++);
+	}
+	max = p;
+	
+	for(i=1, p =str+1;i<5;i++){
+		if(strcmp(*p, *max)){
+			max = p;
+		}
+		p++;
+	}
+	printf("max = %s\n", max);
+
+	return 0;
+}
+
+```
+
 
 
 ## 编译预处理