diff --git a/练习及笔记.cpp b/练习及笔记.cpp
deleted file mode 100644
index 6646755..0000000
--- a/练习及笔记.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include<iostream>
-#include<bits/stdc++.h>
-using namespace std;
-int add(int a,int b)
-{
-    int sum=0;
-    if(a+3<=b)
-        sum++;
-    if(a-3>=1)
-        sum++;
-    return sum+1;
-}
-int cdd(int a,int b)
-{
-    int sum=0;
-    if(a+3<=b)
-        sum--;
-    if(a-3>=1)
-        sum--;
-    return sum-1;
-}
-int main()
-{
-    int m,q,op,num,sum=0;
-    cin>>m>>q;
-    for(int i=0;i<q;i++)
-    {
-        cin>>op>>num;
-        if(op==1)
-        {
-            sum+=add(num,m);
-        }
-        if(op==2)
-        {
-            sum+=cdd(num,m);
-        }
-        cout<<sum<<endl;
-    }
-    return 0;
-}