diff --git a/1(1)(1).c b/1(1)(1).c
deleted file mode 100644
index bab7fd8..0000000
--- a/1(1)(1).c
+++ /dev/null
@@ -1,75 +0,0 @@
-#include<stdio.h>
-#include<stdlib.h>
-#include<conio.h>
-#include<string.h>
-#include<io.h>
-struct birth
-{
-	int year,month,day;
-};
-struct student
-{
-	int number,age,tel[20];
-	char name[10],sex,address[20];
-	char E_mail[20];
-	struct birth birthday;
-	struct student *link;
-};
-void show()
-{
-	printf("请输入数字加回车键进行选择:\n");
-	printf("1.学生信息录入功能(学生信息用文件保存)-输入\n");
-	printf("2.学生信息浏览功能-输出\n");
-	printf("3.学生信息查询功能-按学号查询,按姓名查询\n");
-	printf("4.学生信息的删除与修改\n");
-	printf("按其他任意键加回车退出程序\n");
-}
-void credit(int n)
-{
-	FILE *fp;
-	char fpname[20];
-	struct student *head,*next,*end;
-	int i;
-	printf("请输入用于存放文件的路径及路径名:");
-	scanf("%s",fpname);
-	getchar();
-	fp=fopen(fpname,"w+");
-	head=(struct student *)malloc(sizeof(struct student));
-	printf("请输入学生学号 姓名 性别 出生年 月 日 地址 电话 e_mail:");
-	scanf("%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
-	getchar();
-	fprintf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
-	end=head;
-	for(i=0;i<n;i++)
-	{
-		next=(struct student *)malloc(sizeof(struct student));
-		printf("请输入学生学号 姓名 性别 出生年 月 日 地址 电话 e-mail:");
-		scanf("%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
-		getchar();
-		fprintf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
-		end->link=next;
-		end=next;
-		end->link=NULL;
-	}
-	fclose(fp);
-}
-void main ()
-{
-	char get,get2;
-	int n;
-	while(1)
-	{
-		show();
-		get=getchar();
-		getchar();
-		switch(get)
-		{
-			case '1':
-				printf("请输入学生人数:");
-				scanf("%d",&n);
-				getchar();
-				credit(n);
-				break;
-	   }
-	}
-}
diff --git a/2.c b/2.c
new file mode 100644
index 0000000..b3a20df
--- /dev/null
+++ b/2.c
@@ -0,0 +1,221 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<conio.h>
+#include<string.h>
+#include<io.h>
+struct birth
+{
+	int year,month,day;
+};
+struct student
+{
+	int number,age,tel[20];
+	char name[10],sex,address[20];
+	char E_mail[20];
+	struct birth birthday;
+	struct student *link;
+};
+void show()
+{
+	printf("请输入数字加回车键进行选择:\n");
+	printf("1.学生信息录入功能(学生信息用文件保存)-输入\n");
+	printf("2.学生信息浏览功能-输出\n");
+	printf("3.学生信息查询功能-按学号查询,按姓名查询\n");
+	printf("4.学生信息的删除与修改\n");
+	printf("按其他任意键加回车退出程序\n");
+}
+void credit(int n)
+{
+	FILE *fp;
+	char fpname[20];
+	struct student *head,*next,*end;
+	int i;
+	printf("请输入用于存放文件的路径及路径名:");
+	scanf("%s",fpname);
+	getchar();
+	fp=fopen(fpname,"w+");
+	head=(struct student *)malloc(sizeof(struct student));
+	printf("请输入学生学号 姓名 性别 出生年 月 日 地址 电话 e_mail:");
+	scanf("%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+	getchar();
+	fprintf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+	end=head;
+	for(i=0;i<n;i++)
+	{
+		next=(struct student *)malloc(sizeof(struct student));
+		printf("请输入学生学号 姓名 性别 出生年 月 日 地址 电话 e-mail:");
+		scanf("%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+		getchar();
+		fprintf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+		end->link=next;
+		end=next;
+		end->link=NULL;
+	}
+	fclose(fp);
+}
+int show2(int n)
+{
+
+	FILE *fp;
+	int i;
+	char fpname[20];
+	struct student *head;
+	head=(struct student *)malloc(sizeof(struct student));
+	printf("请输入用于存放信息的文件路径及文件名:");
+	gets(fpname);
+	fp=fopen(fpname,"r+");
+	for(i=0;i<n;i++)
+	{
+		fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+		printf("%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+		fclose(fp);
+	}
+}
+int search1(int n)
+{	
+int i,checkname;
+FILE *fp;
+char fpname[20];
+struct student *head;
+head=(struct student *)malloc(sizeof(struct student));
+printf("请输入存放信息的文件路径及文件名:");
+gets(fpname);
+fp=fopen(fpname,"r+");
+printf("请输入要查询信息的学生学号:");
+scanf("%d",&checkname);
+getchar();
+for(i=0;i<n;i++)
+{
+	fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+	if(checkname==head->number)
+	{
+		printf("%d %s %c %d %d %d %s %s %s\n",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+		fclose(fp);
+		return(1);	
+	}
+}
+   printf("未找到");
+}
+int search2(int n)
+{
+	int i;
+	FILE *fp;
+	char fpname[20],checkname[20];
+	struct student *head;
+	head=(struct student *)malloc(sizeof(struct student));
+	printf("请输入存放信息的文件路径及文件名:");
+    gets(fpname);
+    fp=fopen(fpname,"r+");
+    printf("请输入要查询信息的学生姓名:");
+    scanf("%s",&checkname);
+    for(i=0;i<n;i++)
+   {
+	fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+	if(strcmp(checkname,head->name)==0)
+	{
+		for(i=0;i<n;i++)
+	    fprintf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,&head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
+	    fclose(fp);
+	    return(1);
+	}
+  }
+    printf("未找到\n");
+}
+int most(n)
+{
+	FILE *fp;
+	char get;
+	char fpname[20];
+	struct student *ans[500];
+	int i;
+	char checkname[10];
+	printf("请输入存放信息的文件路径及文件名:");
+	gets(fpname);
+	fp=fopen(fpname,"r+");
+	ans[0]=(struct student *)malloc(sizeof(struct student));
+	fscanf(fp,"%d %s %c %d %d %d %s %s %s",&ans[0]->number,&ans[0]->name,&ans[0]->sex,&(*ans[0]).birthday.year,&(*ans[0]).birthday.month,&(*ans[0]).birthday.day,ans[0]->address,ans[0]->tel,ans[0]->E_mail);
+	for(i=0;i<n;i++)
+	{
+		ans[i]=(struct student *)malloc(sizeof(struct student));
+		fscanf(fp,"%d %s %c %d %d %d %s %s %s",&ans[i]->number,&ans[i]->name,&ans[i]->sex,&(*ans[i]).birthday.year,&(*ans[i]).birthday.month,&(*ans[i]).birthday.day,ans[i]->address,ans[i]->tel,ans[i]->E_mail);
+		ans[i-1]->link=ans[i];
+	}
+	ans[i]->link=NULL;
+	printf("如果想修改信息请输入1加回车键，想删除信息输入2加回车键:");
+	get=getchar();
+	getchar();
+	if(get=='1')
+	{
+		printf("请输入要修改信息的学生姓名:");
+		scanf("%s",checkname);
+		getchar();
+		for(i=0;i<n;i++)
+		{
+			if(strcmp(checkname,ans[i]->name)==0)
+			{
+				printf("请输入学生新信息 学号 姓名 性别 出生年 月 日 地址 电话 e-mail:");
+				scanf("%d %s %c %d %d %d %s %s %s",&ans[i]->number,&ans[i]->name,&ans[i]->sex,&(*ans[i]).birthday.year,&(*ans[i]).birthday.month,&(*ans[i]).birthday.day,ans[i]->address,ans[i]->tel,ans[i]->E_mail);
+				getchar();
+			}
+		}
+	}
+	if(get=='2')
+	{
+		printf("请输入要删除的学生姓名:");
+		scanf("%s",checkname);
+		getchar();
+	    for(i=0;i<n;i++)
+	    {
+	    	if(strcmp(checkname,ans[i]->name)==0)
+	    	{
+	    		ans[i-1]->link=ans[i]->link;
+	    		n--;
+	    		break;
+	    	}
+	    }
+	}
+	fp=fopen(fpname,"w+");
+	for(i=0;i<n;i++)
+	{
+		fprintf(fp,"%d %s %c %d %d %d %s %s %s",&ans[i]->number,&ans[i]->name,&ans[i]->sex,&(*ans[i]).birthday.year,&(*ans[i]).birthday.month,&(*ans[i]).birthday.day,ans[i]->address,ans[i]->tel,ans[i]->E_mail);
+	}
+	fclose(fp);
+	return(n);
+}
+void main ()
+{
+	char get,get2;
+	int n;
+	while(1)
+	{
+		show();
+		get=getchar();
+		getchar();
+		switch(get)
+		{
+			case '1':
+				printf("请输入学生人数:");
+				scanf("%d",&n);
+				getchar();
+				credit(n);
+				break;
+			case '2':
+				show2(n);
+				break;
+			case '3':
+				printf("按学号查找输入1加回车键，按姓名查找输入2加回车键:");
+				get2=getchar();
+				getchar();
+				if(get2=='1')
+				search1(n);
+				if(get2=='2')
+				search2(n);
+				break;
+			case '4':
+			    n=most(n);
+				break;	
+		}
+		if(get!='1'&&get!='2'&&get!='3'&&get!='4')
+		        break;
+	}
+}
diff --git a/1(1)(1).exe b/2.exe
similarity index 99%
rename from 1(1)(1).exe
rename to 2.exe
index 0f70fe7..06c1b61 100644
Binary files a/1(1)(1).exe and b/2.exe differ