diff --git a/Task6.c b/Task6.c
deleted file mode 100644
index 40a378c..0000000
--- a/Task6.c
+++ /dev/null
@@ -1,96 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-struct Student{
-		char stunumber[5];
-		int class;
-		char name[10];
-		float grade1;
-		float grade2;
-		float grade3;
-		float sum;
-		}students[3]={{"10001",11,"Zhang",99.5,88.5,89.5,99.5+88.5+99.5},
-			{"10002",12,"Yang",77.9,56.5,87.5,77.9+56.5+87.5},
-			{"10003",11,"Liang",92.5,99.0,60.5,92.5+99.0+60.5}};
-void selection_sort(struct Student arr[], int n) {
-    int i, j, min_idx;
-    
-    //一一检索每个结构体中class的值 
-    for (i = 0; i < n-1; i++) {
-        // 找到最小值的位置 
-        min_idx = i;
-        for (j = i+1; j < n; j++)
-        {
-		
-            if (arr[j].class < arr[min_idx].class)
-            {
-                min_idx = j;
-       		}
-       		else if(arr[j].class == arr[min_idx].class)
-       		{
-       			if(arr[j].sum == arr[min_idx].sum)
-       			{
-       				min_idx=j;
-				}
-			}
-		}
-        // 通过交换位置实现排序
-        struct Student temp = arr[min_idx];
-        arr[min_idx] = arr[i];
-        arr[i] = temp;
-    }
-}
-int main(){
-	int n=3;
-	void selection_sort(struct Student arr[], int n); 
-	selection_sort(students,3);//排序 
-	
-	int idx=-1;//查找待修改学生 
-	char num_or_name[10];
-	printf("请输入您要修改的学生学号或姓名\n");
-	scanf("%s",&num_or_name);
-	for(int i=0;i<3;i++)//检索学生 
-	{
-		if(strcmp(num_or_name, students[i].stunumber) == 0 || strcmp(num_or_name, students[i].name) == 0){
-			idx=i;
-			break;
-		}
-	}
-	
-	if(idx==-1)//学生不存在 
-	{
-		printf("未查找到该学生!\n不予修改!\n");
-		for(int i=0;i < 3;i++)
-		{
-			printf("%s %d %s %.1f %.1f %.1f \n", students[i].stunumber, students[i].class, students[i].name, students[i].grade1, students[i].grade2, students[i].grade3);
-		}
-		return 0;
-	}
-	printf("已查找到该学生!\n");
-	printf("请输入修改后的信息\n"); 
-	struct Student temp;//学生存在且输入修改后的信息 
-	scanf("%s %d %s %f %f %f %f",&temp.stunumber,&temp.class,&temp.name,&temp.grade1,&temp.grade2,&temp.grade3,&temp.sum);
-	students[idx]=temp;
-	
-	selection_sort(students,3);//再一次排序 
-	printf("修改后的学生信息如下:\n");
-	int class0=0;
-	for(int i=0;i < 3;i++){
-		printf("\n");
-		if(students[i].class==class0)
-		{
-			printf("   %s %d %s %.1f %.1f %.1f ", students[i].stunumber, students[i].class, students[i].name, students[i].grade1, students[i].grade2, students[i].grade3);
-		}
-		if(class0!=students[i].class){
-			class0=students[i].class;
-			printf("%d ",class0);
-			printf("%s %d %s %.1f %.1f %.1f ", students[i].stunumber, students[i].class, students[i].name, students[i].grade1, students[i].grade2, students[i].grade3);
-		}
-		if(i==idx)
-		{
-			printf("modifiled");
-		}
-	}
-}
-