diff --git a/readme1.md b/readme1.md
index 09c0afb..32b3068 100644
--- a/readme1.md
+++ b/readme1.md
@@ -359,412 +359,289 @@ exit
 代码实现
 // 头文件的使用
 
-#include<stdio.h> 
-#include<stdlib.h>
-#include<string.h>
-// define定义的全局变量
-
-#define MAX_LEN 10      //字符串最大长度
-#define STU_NUM 30      //最多的考试人数
-#define COURSE_NUM 6    //最多的考试科目
-// 结构体的定义
-
-typedef struct student{
-    long num;                  //每个学生的学号
-    char name[MAX_LEN];        //每个学生的姓名
-    float score[COURSE_NUM];   //每个学生COURSE_NUM门功课的成绩
-    float sum;                 //每个学生的总成绩
-    float aver;                //每个学生的平均成绩
+下面是代码库
+````c
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <string.h>
+#define   MAX_LEN  10                    	// 字符串最大长度 
+#define   STU_NUM 30                       // 最多的学生人数 
+#define   COURSE_NUM 6                     // 最多的考试科目数 
+typedef struct student
+{
+		long num;						// 每个学生的学号 
+		char name[MAX_LEN];            	// 每个学生的姓名 
+		float score[COURSE_NUM];		// 每个学生COURSE_NUM门功课的成绩 
+		float sum;                   	     // 每个学生的总成绩 
+		float aver;               	     // 每个学生的平均成绩 
 }STU;
-// 函数声明
-
-int Menu(void);               //菜单显示、用户输入函数
-void ReadScore(STU stu[],int n,int m);      //学生成绩录入函数
-void AverSumofEveryStudent(STU stu[],int n,int m);     //求每个学生总分和平均分的函数
-void AverSumofEveryCourse(STU stu[],int n,int m);      //求每门课程总分和平均分的函数
-void SortbyScore(STU stu[],int n,int m,int (*compare)(float a,float b));    //选择法将数组 sum 的元素排序的函数
-int Ascending(float a,float b);     //使数据按升序排序的函数
-int Descending(float a,float b);    //使数据按降序排序的函数
-void SwapFloat(float *x,float *y);  //用于交换两个单精度浮点数的函数
-void SwapLong(long *x,long *y);     //用于交换两个长整型数据的函数
-void SwapChar(char x[],char y[]);   //用于交换两个字符串的函数
-void AsSortbyNum(STU stu[],int n,int m);      //选择法将数组 num 的元素值从低到高排序的函数
-void SortbyName(STU stu[],int n,int m);       //交换法实现字符串按字典顺序排序的函数
-void SearchbyNum(STU stu[],int n,int m);      //按学号查找学生成绩并显示查找结果的函数
-void SearchbyName(STU stu[],int n,int m);     //按姓名的字典顺序排出成绩表的函数
-void StatisticAnalysis(STU stu[],int n,int m);      //统计各分数段的学生人数及所占的百分比的函数
-void PrintScore(STU stu[],int n,int m);             //打印学生成绩的函数
-void WritetoFile(STU record[],int n,int m);         //输出学生信息到文件中的函数
-void ReadfromFile(STU record[],int *n,int *m);      //从文件中读取学生信息的函数
-// 主函数
-
+int   Menu(void);
+void  ReadScore(STU stu[], int n, int m);
+void  AverSumofEveryStudent(STU stu[], int n, int m);
+void  AverSumofEveryCourse(STU stu[], int n, int m);
+void  SortbyScore(STU stu[],int n,int m,int (*compare)(float a,float b));
+int   Ascending(float a, float b);
+int   Descending(float a, float b);
+void  SwapFloat(float *x, float *y);
+void  SwapLong(long *x, long *y);
+void  SwapChar(char x[], char y[]);
+void  AsSortbyNum(STU stu[], int n, int m);
+void  SortbyName(STU stu[], int n, int m);
+void  SearchbyNum(STU stu[], int n, int m);
+void  SearchbyName(STU stu[], int n, int m);
+void  StatisticAnalysis(STU stu[], int n, int m);
+void  PrintScore(STU stu[], int n, int m);
+void  WritetoFile(STU record[], int n, int m);
+void  ReadfromFile(STU record[], int *n, int *m);
 int main(void)
 {
-    char ch;
-    int n = 0,m = 0;
-    STU stu[STU_NUM];
-    printf("Input student number(n<%d):",STU_NUM);
-    scnaf("%d",&n);
-    printf("Input course number(m<=%d):",COURSE_NUM);
-    scanf("%d",&m);
-    while(1)
-    {
-        ch = Menu();        //显示菜单，并读取用户输入
-        switch(ch)
-        {
-            case 1:ReadScore(stu,n,m);
-                    break;
-            case 2:AverSumofEveryCourse(stu,n,m);
-                    break;
-            case 3:AverSumofEveryStudent(stu,n,m);
-                    break;
-            case 4:SortbyScore(stu,n,m,Descending);
-                   printf("\nSort in descending order by score:\n");
-                   PrintScore(stu,n,m);
-                   break;
-            case 5:SortbyScore(stu,n,m,Ascending);
-                   printf("\nSort in ascending order by number:\n");
-                   PrintScore(stu,n,m);
-                   break;
-            case 6:AsSortbyNum(stu,n,m);
-                   printf("\nSort in ascending order by number:\n");
-                   PrintScore(stu,n,m);
-                   break;
-            case 7:SortbyName(stu,n,m);
-                   printf("\nSort in dictionary order by name:\n");
-                   PrintScore(stu,n,m);
-                   break;
-            case 8:SearchbyNum(stu,n,m);
-                   break;
-            case 9:SearchbyName(stu,n,m);
-                   break;
-            case 10:StatisticAnalysis(stu,n,m);
-                    break;
-            case 11:PrintScore(stu,n,m);
-                    break;
-            case 12:WritetoFile(stu,n,m);
-                    break;
-            case 13:ReadfromFile(stu,&n,&m);
-                    break;
-            case 0: printf("Are you sure you want to exit?(Y/N):");
-                    printf("End of program!);
-                    exit(0);
-            default:printf("Input error!");
-        }
-    }
-    return 0;
-}
-// 函数功能：显示菜单并获得用户键盘输入的选项
-
+	char  ch;
+	int   n = 0, m = 0;
+	STU   stu[STU_NUM];	
+printf("Input student number(n<%d):", STU_NUM);
+	scanf("%d", &n);
+printf("Input course number(m<=%d):",COURSE_NUM);
+	scanf("%d", &m);
+	while (1)
+	{
+		ch = Menu();					    // 显示菜单，并读取用户输入 		
+		switch (ch)
+		{
+			case 1:ReadScore(stu, n, m);
+					break;
+			case 2: AverSumofEveryCourse(stu, n, m);                        
+					break;
+            case 3: AverSumofEveryStudent(stu, n, m);                    
+					break;
+			case 4: SortbyScore(stu, n, m, Descending);
+					printf("\nSort in descending order by score:\n");
+					PrintScore(stu, n, m);
+					break;
+			case 5: SortbyScore(stu, n, m, Ascending);
+					printf("\nSort in ascending order by score:\n");
+					PrintScore(stu, n, m);
+					break;
+			case 6: AsSortbyNum(stu, n, m);
+					printf("\nSort in ascending order by number:\n");
+					PrintScore(stu, n, m);
+					break;
+			case 7: SortbyName(stu, n, m);
+					printf("\nSort in dictionary order by name:\n");
+					PrintScore(stu, n, m);
+					break;
+			case 8: SearchbyNum(stu, n, m);
+					break;
+			case 9: SearchbyName(stu, n, m);
+					break;
+			case 10: StatisticAnalysis(stu, n, m);
+					break;
+			case 11:PrintScore(stu, n, m);
+					break;
+case 12:WritetoFile(stu, n, m);
+				     break;
+			case 13:ReadfromFile(stu, &n, &m);
+				     break;
+			case 0: printf("End of program!");
+			       	exit(0);
+			default:printf("Input error!");
+		}
+	}
+	return 0;}
+//  函数功能：显示菜单并获得用户键盘输入的选项 
 int Menu(void)
 {
-   int itemSelected;
-   printf("Management for Students' scores\n");
-   printf("1 Input record\n");
-   printf("2 Calculate total and average score of every course\n");
-   printf("3 Calculate total and average score of every student\n");
-   printf("4 Sort in descending order by score\n");
-   printf("5 Sort in ascending order by score\n");
-   printf("6 Sort in ascending order by number\n");
-   printf("7 Sort in dictionary order by name\n");
-   printf("8 Search by number\n");
-   printf("9 Search by name\n");
-   printf("10 Statistic analysis\n");
-   printf("11 List record\n");
-   printf("12 Write to a file\n");
-   printf("13 Read from a file\n");
-   printf("0 Exit\n");
-   printf("Please Input your choice:");
-   scanf("%d",&itemSelected);    //读入用户输入
-   return itemSelected;
+		int itemSelected;
+		printf("Management for Students' scores\n");
+		printf("1.Input record\n");
+		printf("2.Calculate total and average score of every course\n");
+		printf("3.Calculate total and average score of every student\n");
+		printf("4.Sort in descending order by score\n");
+		printf("5.Sort in ascending order by score\n");
+		printf("6.Sort in ascending order by number\n");
+		printf("7.Sort in dictionary order by name\n");
+		printf("8.Search by number\n");
+		printf("9.Search by name\n");
+		printf("10.Statistic analysis\n");
+		printf("11.List record\n");
+		printf("12.Write to a file\n");
+		printf("13.Read from a file\n");
+		printf("0.Exit\n");
+		printf("Please Input your choice:");
+		scanf("%d", &itemSelected); 	// 读入用户输入 
+		return itemSelected;
 }
-// 函数功能：输入 n 个学生的 m 门课成绩
-
-void ReadScore(STU stu[],int n,int m)
-{
-     int i,j;
-     printf("Input student's ID ,name and score:\n");
-     for(i=0,i<n;i++)     //输入n个同学
-     {
-        scanf("%ld%s",&stu[i].num,stu[i].name);
-        for(j=0;j<m;j++)       //输入m门成绩
-        scanf("%f",&stu[i].score[j]);
-     }
-}
-//函数功能：计算每个学生各门课程的总分和平均分
-
-void AverSumofEveryStudent(STU stu[],int n,int m)
-{
-   int i,j;
-   for(i=0;i<n;i++)
-   {
-        stu[i].sum = 0;   //初始化每个学生总分为0
-        for(j=0;j<m;j++)
-        {
-                stu[i].sum = stu[i].sum + stu[i].score[j];    //累加分数
-        }
-        stu[i].aver = m>0 ? stu[i].sum /m : -1;   
-        printf("student %d: sum = %.0f,aver = %.0f\n",i+1,stu[i].sum,stu[i].aver);
-   }
-}
-//函数功能：计算每门课程的总分和平均分
-
-void AverSumofEveryCourse(STU stu[],int n,int m)
+//1 函数功能：输入n个学生的m门课成绩 
+void ReadScore(STU stu[], int n, int m)
 {
-    int i,j;
-    float sum[COURSE_NUM],aver[COURSE_NUM];
-    for(j=0;j<m;j++)
-    {
-        sum[j] = 0;
-        for(i=0;i<n;i++)
-        {
-                sum[j]+= stu[i].score[j];   //计算n个同学每门课程的总分
-        }
-        aver[j] = sum[j]/i;
-        printf("course %d: sum = %.0f,aver = %.0f\n",j+1, sum[j], aver[j]);
+	int i, j;
+	printf("Input student's ID, name and score:\n");
+    for(i=0;i<n;i++)
+    {scanf("%ld%s",&stu[i].num,stu[i].name);
+     for (j=0; j<m; j++)
+     scanf("%f",&stu[i].score[j]);
     }
 }
-//函数功能：按选择法将数组 sum 的元素值排序
-
-voidSortbyScore(STU stu[],int n,int m,int(*compare)(float a,float b))
+//2 函数功能：计算每个学生各门课程的总分和平均分 
+void AverSumofEveryStudent(STU stu[], int n, int m)
 {
-    int  i, j, k, t;
-    for (i=0; i<n-1; i++)
-    {
-        k = i;
-        for (j=i+1; j<n; j++)
-        {
-        if ((*compare)(stu[j].sum, stu[k].sum)) k = j;
-        }
-        if (k != i)
-        {           
-           for (t=0; t<m; t++)        //交换m门课程的成绩
-                    {
-                      SwapFloat(&stu[k].score[t], &stu[i].score[t]);
-                    }
-SwapFloat(&stu[k].sum, &stu[i].sum);    //交换总分 
-SwapFloat(&stu[k].aver, &stu[i].aver);  //交换平均分
-SwapLong(&stu[k].num, &stu[i].num);     //交换学号 
-SwapChar(stu[k].name, stu[i].name);     //交换姓名
-        }
-    }
+	int i, j;
+	for (i=0; i<n; i++)
+	{
+	    stu[i].sum = 0;
+	    for (j=0; j<m; j++)
+	    {
+            stu[i].sum = stu[i].sum + stu[i].score[j];
+	    }
+	    stu[i].aver = m>0 ? stu[i].sum / m : -1;
+	    printf("student %d: sum = %.0f, aver = %.0f\n", 
+i+1, stu[i].sum, stu[i].aver);
+	}	
 }
-//使数据按升序排序
+//3 函数功能：计算每门课程的总分和平均分 
 
-int Ascending(float a,float b)
-{
-        return a < b;    //这样比较决定了按升序排序，如果a<b，则交换
-}
-//使数据按降序排序
+//4 函数功能：按选择法将数组sum的元素值排序 
 
-int Descending(float a,float b)
+// 5使数据按升序排序 
+int Ascending(float a, float b)
 {
-        return a > b;    // 这样比较决定了按降序排序，如果 a>b，则交换
+	return a < b;      // 这样比较决定了按升序排序，如果a<b，则交换 
 }
-//交换两个单精度浮点型数据
-
-void SwapFloat(float *x,float *y)
+// 6使数据按降序排序 
+int Descending(float a, float b)
 {
-        float  temp;
-        temp = *x;
-        *x = *y;
-        *y = temp;
+	return a > b;
 }
-//交换两个长整型数据
+// 7交换两个单精度浮点型数据 
 
-void SwapLong(long *x,long *y)
-{
-        long temp;
-        temp = *x;
-        *x = *y;
-        *y = temp;
-}
-//交换两个字符串
+// 8交换两个长整型数据 
 
-void SwapChar(char x[],chary[])
+// 9交换两个字符串 
+void  SwapChar(char x[], char y[])
 {
-        char temp[MAX_LEN];
-        strcpy(temp, x);
-        strcpy(x, y);
-        strcpy(y, temp);
+char temp[MAX_LEN];
+strcpy(temp, x);
+strcpy(x, y);
+strcpy(y, temp);
 }
-//函数功能：按选择法将数组 num 的元素从低到高排序
+// 10函数功能：按选择法将数组num的元素值按从低到高排序 
 
-void AsSortbyNum(STU stu[],int n,int m)
+// 11函数功能：交换法实现字符串按字典顺序排序 
+void AsSortbyNum(STU stu[], int n, int m)
 {
-         int  i, j, k, t;
+    int  i, j, k, t;
     for (i=0; i<n-1; i++)
     {
-            int  i, j, k, t;
         k = i;
         for (j=i+1; j<n; j++)
         {
-        if (stu[j].num < stu[k].num) k = j;
+            if (stu[j].num < stu[k].num)    k = j;
         }
         if (k != i)
-        {           
-           for (t=0; t<m; t++)        //交换m门课程的成绩
-                    {
-                      SwapFloat(&stu[k].score[t], &stu[i].score[t]);
-                    }
-SwapFloat(&stu[k].sum, &stu[i].sum);    //交换总分 
-SwapFloat(&stu[k].aver, &stu[i].aver);  //交换平均分
-SwapLong(&stu[k].num, &stu[i].num);     //交换学号 
-SwapChar(stu[k].name, stu[i].name);     //交换姓名
+        {
+            for (t=0; t<m; t++)          
+              {
+                   SwapFloat(&stu[k].score[t], &stu[i].score[t]);
+            }
+SwapFloat(&stu[k].sum, &stu[i].sum);  
+SwapFloat(&stu[k].aver, &stu[i].aver);   
+SwapLong(&stu[k].num, &stu[i].num);     
+SwapChar(stu[k].name, stu[i].name);  
         }
     }
 }
-//函数功能：交换法实现字符串按字典顺序排序
+// 12函数功能：按学号查找学生成绩并显示查找结果 
 
-void SortbyName(STU stu[],int n,int m)
+// 13函数功能：按姓名的字典顺序排出成绩表
+void SearchbyName(STU stu[], int n, int m)
 {
-    int  i, j, t;
-    for (i=0; i<n-1; i++)
-    {
-          for (j = i+1; j<n; j++)
-          {
-              if (strcmp(stu[j].name, stu[i].name) < 0)
-              {                  
-                  for (t=0; t<m; t++)   //交换m门课程的成绩
-                                {
-                      SwapFloat(&stu[i].score[t], &stu[j].score[t]);
-                    } 
-SwapFloat(&stu[i].sum, &stu[j].sum);    //交换总分 
-SwapFloat(&stu[i].aver, &stu[j].aver);   //交换平均分
-SwapLong(&stu[i].num, &stu[j].num);     //交换学号 
-SwapChar(stu[i].name, stu[j].name);     //交换姓名
-              }
-          }
-     }
+	char x[MAX_LEN];
+	int  i, j;
+	printf("Input the name you want to search:");
+	scanf("%s", x);
+	for (i=0; i<n; i++)
+	{
+		if (strcmp(stu[i].name, x) == 0)
+		{
+			printf("%ld\t%s\t", stu[i].num, stu[i].name);
+			for (j=0; j<m; j++)
+			{
+				printf("%.0f\t", stu[i].score[j]);
+			}
+			printf("%.0f\t%.0f\n", stu[i].sum, stu[i].aver);
+			return;
+		}
+	}
+	printf("\nNot found!\n");
 }
-//函数功能：按学号查找学生成绩并显示查找结果
 
-void SearchbyNum(STU stu[],int n,int m)
+// 14函数功能：统计各分数段的学生人数及所占的百分比 
+void StatisticAnalysis(STU stu[], int n, int m)
 {
-        long number;
-        int i,j;
-        printf("Input the number you want to search:");
-        scanf("%ld",&number);
-        for(i=0;i<n;i++)
-          if(stu[i].num==number)
-            {
-                printf("\n");
-                for(j=0;j<m;j++)
-                  printf("%d\t",stu[i].score[j]);
-                printf("\n");
-                break;
-            }
-        if(i==n)
-        printf("\nNot found!\n");
+	int  i, j, t[6];
+	for (j=0; j<m; j++)
+	{
+		printf("For course %d:\n", j+1);
+	     memset(t, 0, sizeof(t)); 
+		for (i=0; i<n; i++)
+		{
+			if (stu[i].score[j]>=0 && stu[i].score[j]<60)t[0]++;
+			else if (stu[i].score[j]<70)				   t[1]++;
+			else if (stu[i].score[j]<80)				   t[2]++;
+			else if (stu[i].score[j]<90)				   t[3]++;
+			else if (stu[i].score[j]<100)				   t[4]++;
+			else if (stu[i].score[j] == 100)      		   t[5]++;
+		}
+		for (i=0; i<=5; i++)
+		{
+            if (i==0) printf("<60\t%d\t%.2f%%\n",t[i],(float)t[i]/n*100);
+	       else if (i==5) printf("%d\t%d\t%.2f%%\n",
+(i+5)*10,t[i],(float)t[i]/n*100);
+	       else 	printf("%d-%d\t%d\t%.2f%%\n", 
+(i+5)*10, (i+5)*10+9, t[i], (float)t[i]/n*100);	
+		}
+	}
 }
-//函数功能：按姓名查找学生成绩并显示查找结果
 
-void SearchbyName(STU stu[],int n,int m)
+// 15函数功能： 打印学生成绩 
+void PrintScore(STU stu[], int n, int m)
 {
-    char x[MAX_LEN];
-    int i,j;
-    printf("Input the name you want to search:");
-    scanf("%s", x);
-    for(i=0;i<n;i++)
-    {
-        if(strcmp(stu[i].name,x)==0)
-        {
-                printf("%ld\t%s\t",stu[i].num,stu[i].name);
-                for(j=0;j<m;j++)
-                {
-                        printf("%.0f\t",stu[i].score[j]);
-                }
-                printf(".0f\t%.0f\n",stu[i].sum,stu[i].aver);
-                return;
-        }
-    }
-    printf("\nNot found!\n);
+	int i, j;
+	for (i=0; i<n; i++)
+	{
+		printf("%ld\t%s\t", stu[i].num, stu[i].name);
+		for (j=0; j<m; j++)
+		{
+			printf("%.0f\t", stu[i].score[j]);
+		}
+		printf("%.0f\t%.0f\n", stu[i].sum, stu[i].aver);
+	}
 }
-//函数功能：统计各分数段的学生人数及所占的百分比
 
-void StatisticAnalysis(STU stu[],int n,int m)
-{
-        int i,j,t[6];
-        for(j=0;j<m;j++)
-        {
-                printf("For course %d:\n",j+1);
-                memset(t,0,sizeof(t));        //将数组 t 的全部元素初始化为0
-                for(i=0;i<n;i++)
-                {
-                        if(stu[i].score[j]>=0&&stu[i].score[j]<60) t[0]++;
-                        else if(stu[i].score[j]<70)    t[1]++;
-                        else if(stu[i].score[j]<80)    t[2]++;
-                        else if(stu[i].score[j]<90)    t[3]++;
-                        else if(stu[i].score[j]<100)   t[4]++;
-                        else if(stu[i].score[j]==100)  t[5]++;
-                }
-                for(i=0;i<=5;i++)
-                {
-                        if(i==0) printf("<60\t%d\t%.2f%%\n",t[i],(float)t[i]/n*100);
-                        else if(i==5) printf("%d\t%d\t%.2f%%\n",(i+5)*10,t[i],(float)t[i]/n*100);
-                        else printf("%d-%d\t%d\t%.2f%%\n",(i+5)*10,(i+5)*10+9,t[i],(float)t[i]/n*100);
-                }
-        }
-}
-//函数功能：打印学生成绩
+// 16输出n个学生的学号、姓名及m门课程的成绩到文件student.txt中 
 
-void PrintScore(STU stu[],int n,int m)
-{
-        int i,j;
-        for (i=0; i<n; i++)
-        {
-                printf("%ld\t%s\t", stu[i].num, stu[i].name);
-                for (j=0; j<m; j++)
-                {
-                        printf("%.0f\t", stu[i].score[j]);
-                }
-                printf("%.0f\t%.0f\n", stu[i].sum, stu[i].aver);
-        }
-}
-//输出 n 个学生的学号、姓名及 m 门课程的成绩到文件 student.txt 中
 
-void WritetoFile(STU stu[],int n,int m)
+//17从文件中读取学生的学号、姓名及成绩等信息写入到结构体数组stu中
+void ReadfromFile(STU stu[],int *n, int *m)
 {
-        FILE *fp;
-        int i, j;
-        if((fp = fopen("student.txt","w")) == NULL)
-        {
-                printf("Failure to open score.txt!\n");
-                exit(0);
-        }
-        fprintf(fp, "%d\t%d\n", n, m);    //将学生人数和课程门数写入文件
-        for (i=0; i<n; i++)
-        {
-                fprintf(fp, "%10ld%10s", stu[i].num, stu[i].name);
-                for (j=0; j<m; j++)
-                {
-                        fprintf(fp, "%10.0f", stu[i].score[j]);
-                }
-                fprintf(fp, "%10.0f%10.0f\n", stu[i].sum, stu[i].aver);
-        }
-        fclose(fp);
+	FILE *fp;
+	int i, j;
+	if ((fp = fopen("student.txt","r")) == NULL) 
+	{ 
+		printf("Failure to open score.txt!\n");
+		exit(0);
+	}
+     fscanf(fp, "%d\t%d", n, m); // 从文件中读出学生人数和课程门数       
+	for (i=0; i<*n; i++)  //学生人数保存在n指向的存储单元
+	{
+		fscanf(fp, "%10ld", &stu[i].num);
+		fscanf(fp, "%10s", stu[i].name);  
+		for (j=0; j<*m; j++)//课程门数保存在m指向的存储单元
+		{
+			fscanf(fp, "%10f", &stu[i].score[j]);          //不能用%10.0f
+		}
+		fscanf(fp, "%10f%10f", &stu[i].sum, &stu[i].aver);//不能用%10.0f
+	}
+	fclose(fp);		
 }
-//从文件中读取学生的学号、姓名及成绩等信息写入到结构体 stu 中
-
-void ReadfromFile(STU stu[],int *n,int *m)
-{
-        FILE *fp;
-    int i, j;
-    if ((fp = fopen("student.txt","r")) == NULL) 
-    { 
-        printf("Failure to open score.txt!\n");
-        exit(0);
-    }
-        fscanf(fp, "%d\t%d", n, m); //从文件中读出学生人数，课程门数    
-    for (i=0; i<*n; i++)  //学生人数保存在n指向的储存单元
-    {
-        fscanf(fp, "%10ld", &stu[i].num);
-        fscanf(fp, "%10s", stu[i].name);  
-        for (j=0; j<*m; j++) //课程门数保存在m指向的储存单元
-        {
-            fscanf(fp, "%10f", &stu[i].score[j]);          //不能用%10.0f
-        }
-        fscanf(fp, "%10f%10f", &stu[i].sum, &stu[i].aver);  //不能用%10.0f
-    }
-    fclose(fp);    
-}
\ No newline at end of file
+````
\ No newline at end of file