diff --git a/学生成绩管理系统 b/学生成绩管理系统
deleted file mode 100644
index cc52f1c..0000000
--- a/学生成绩管理系统
+++ /dev/null
@@ -1,86 +0,0 @@
-#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;
-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);
-	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;}
\ No newline at end of file