diff --git a/t5.c b/t5.c
deleted file mode 100644
index cbd57f3..0000000
--- a/t5.c
+++ /dev/null
@@ -1,114 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-
-int Class[3];
-char name[3][20], num[3][10];
-float Maths[3], Physics[3], English[3], sum[3];
-
-void Swap(int k);
-void delete_array();
-void Sort();
-void print();
-
-int main()
-{
-    delete_array();
-}
-void delete_array()
-{
-    char ans, info_delete[20];
-    int l, kk = -1;
-    for (int i = 0; i < 3; i++)
-    {
-        scanf("%s%d%s%f%f%f", &num[i], &Class[i], name[i], &Maths[i], &Physics[i], &English[i]);
-        sum[i] = Maths[i] + Physics[i] + English[i];
-    }
-    getchar();
-    scanf("%s", info_delete);
-    for (int i = 0; i < 3; i++)
-    {
-        if (strcmp(name[i], info_delete) == 0)
-        {
-            kk = i;
-        }
-        else if (strcmp(num[i], info_delete) == 0)
-        {
-            kk = i;
-        }
-    }
-    if (kk == -1)
-    {
-        print();
-        return;
-    }
-    Sort();
-    for (int i = 0; i < 3; i++)
-    {
-        if (strcmp(info_delete, name[i]) && strcmp(info_delete, num[i]))
-        {
-            printf("%s %d %s %.1f %.1f %.1f\n", num[i], Class[i], name[i], Maths[i], Physics[i], English[i]);
-        }
-    }
-    getchar();
-    printf("Are you sure(yes/no)?\n");
-    scanf("%c", &ans);
-    if (ans == 'n')
-    {
-        print();
-        return;
-    }
-    else if (ans == 'y')
-    {
-        return;
-    }
-}
-void Swap(int k)
-{
-    int Class0 = Class[k];
-    char name0[20], num0[10];
-    strcpy(name0, name[k]);
-    strcpy(num0,num[k]);
-    float Maths0 = Maths[k], Physics0 = Physics[k], English0 = English[k], sum0 = sum[k];
-    Class[k] = Class[k - 1];
-    strcpy(name[k], name[k - 1]);
-    strcpy(num[k], num[k - 1]);
-    Maths[k] = Maths[k - 1];
-    Physics[k] = Physics[k - 1];
-    English[k] = English[k - 1];
-    sum[k] = sum[k - 1];
-    Class[k - 1] = Class0;
-    strcpy(name[k - 1], name0);
-    strcpy(num[k - 1], num0);
-    Maths[k - 1] = Maths0;
-    Physics[k - 1] = Physics0;
-    English[k - 1] = English0;
-    sum[k - 1] = sum0;
-}
-void Sort()
-{
-    for (int i = 0; i < 3; i++)
-    {
-        for (int j = 2; j > i; j--)
-        {
-            if (Class[j] < Class[j - 1])
-            {
-                Swap(j);
-            }
-            else if(Class[j] == Class[j - 1])
-            {
-                if (sum[j] > sum[j - 1])
-                {
-                    Swap(j);
-                }
-            }
-        }
-    }
-}
-void print()
-{
-    Sort();
-    for (int i = 0; i < 3; i++)
-    {
-        printf("%s %d %s %.1f %.1f %.1f\n", num[i], Class[i], name[i], Maths[i], Physics[i], English[i]);
-    }
-}
\ No newline at end of file