diff --git a/t3.c b/t3.c
deleted file mode 100644
index 379601a..0000000
--- a/t3.c
+++ /dev/null
@@ -1,96 +0,0 @@
-#include <stdio.h>
-typedef struct INFO
-{
-    int num;
-    float Maths;
-    float Physics;
-    float English;
-    float sum;
-    float average;
-}Info;
-Info stu[3];
-void menu();
-void info();
-void grade_sort();
-int main()
-{
-    menu();
-    info();
-    grade_sort();
-}
-void info()
-{
-    for (int i = 0; i < 3; i++)
-    {
-        scanf("%d%f%f%f", &stu[i].num, &stu[i].Maths, &stu[i].Physics, &stu[i].English);
-    }
-}
-void menu()
-{
-    for (int i = 0; i < 30; i++)
-    {
-        printf(" ");
-    }
-    printf("1.Input\n");
-    for (int i = 0; i < 30; i++)
-    {
-        printf(" ");
-    }
-    printf("2.Output\n");
-    for (int i = 0; i < 30; i++)
-    {
-        printf(" ");
-    }
-    printf("3.Order\n");
-    for (int i = 0; i < 30; i++)
-    {
-        printf(" ");
-    }
-    printf("4.Quit\n");
-    char c;
-    scanf("%c", &c);
-    if (c == 'i')
-    {
-        printf("Please input info of the three students:\n");
-    }
-    else if (c == 'o')
-    {
-        printf("You are trying to Output info\n");
-    }
-    else if (c == 'm')
-    {
-        printf("You are trying to Make things ordered\n");
-    }
-    else if (c == 'q')
-    {
-        printf("You are about to Quit\n");
-    }
-    else{
-        printf("Wrong input\n");
-    }
-}
-void grade_sort()
-{
-    for (int i = 0; i < 3; i++)
-    {
-        stu[i].sum = stu[i].Maths + stu[i].Physics + stu[i].English;
-        stu[i].average = stu[i].sum / 3;
-    }
-    for (int i = 0; i < 3; i++)
-    {
-
-        for (int j = 2; j > i; j--)
-        {
-            if (stu[j].sum < stu[j - 1].sum)
-            {
-                Info tmp = stu[j];
-                stu[j] = stu[j - 1];
-                stu[j - 1] = tmp;
-            }
-        }
-    }
-    for (int i = 0; i < 3; i++)
-    {
-        printf("%d,%.1f,%.1f\n", stu[i].num, stu[i].sum, stu[i].average);
-    }
-}
\ No newline at end of file