diff --git a/.vscode/settings.json b/.vscode/settings.json
index d1afe75..01faa21 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -21,7 +21,10 @@
         "typeinfo": "cpp",
         "deque": "cpp",
         "string": "cpp",
-        "vector": "cpp"
+        "vector": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "string_view": "cpp"
     },
     "terminal.integrated.automationShell.windows": "cmd.exe",
     "files.encoding": "gb18030",
diff --git a/1658_alllike/Readme.md b/1658_alllike/Readme.md
new file mode 100644
index 0000000..b4f8d75
--- /dev/null
+++ b/1658_alllike/Readme.md
@@ -0,0 +1,3 @@
+# 标题
+
+* 内容
\ No newline at end of file
diff --git a/1658_alllike/doc/Readme.md b/1658_alllike/doc/Readme.md
new file mode 100644
index 0000000..b4f8d75
--- /dev/null
+++ b/1658_alllike/doc/Readme.md
@@ -0,0 +1,3 @@
+# 标题
+
+* 内容
\ No newline at end of file
diff --git a/1658_alllike/main.cpp b/1658_alllike/main.cpp
new file mode 100644
index 0000000..988cea6
--- /dev/null
+++ b/1658_alllike/main.cpp
@@ -0,0 +1,7 @@
+#include <algorithm>
+#include <iostream>
+using namespace std;
+int main()
+{
+    
+}
diff --git a/1658_alllike/main.exe b/1658_alllike/main.exe
new file mode 100644
index 0000000..fc4df42
Binary files /dev/null and b/1658_alllike/main.exe differ
diff --git a/1658_alllike/test/in.txt b/1658_alllike/test/in.txt
new file mode 100644
index 0000000..e69de29
diff --git a/1658_alllike/test/in2.txt b/1658_alllike/test/in2.txt
new file mode 100644
index 0000000..e69de29
diff --git a/1658_alllike/test/in3.txt b/1658_alllike/test/in3.txt
new file mode 100644
index 0000000..e69de29
diff --git a/1658_alllike/test/out.txt b/1658_alllike/test/out.txt
new file mode 100644
index 0000000..35a20e6
--- /dev/null
+++ b/1658_alllike/test/out.txt
@@ -0,0 +1,7 @@
+## z:\Chao\src\Template\test\in.txt 
+2020/03/14 周六 11:41:28.68 
+Hello Easy C++ project!
+
+-----------------------------------------------
+Process exited after 200 ms with return value 0
+
diff --git a/3053_longdui/main copy.exe b/3053_longdui/main copy.exe
new file mode 100644
index 0000000..205f6d3
Binary files /dev/null and b/3053_longdui/main copy.exe differ
diff --git a/3053_longdui/new.cpp b/3053_longdui/new.cpp
new file mode 100644
index 0000000..1256343
--- /dev/null
+++ b/3053_longdui/new.cpp
@@ -0,0 +1,23 @@
+#include <iostream>
+#include<set>
+using namespace std;
+set<int> cun;
+int main()
+{
+    int n,now=1;
+    for(int i=0;now<=1000000000;i++){
+        now+=i;
+        cun.insert(now);
+    }
+    cin>>n;
+    for(int i=1;i<=n;i++){
+        int u;
+        cin>>u;
+        if(cun.find(u)==cun.end()){
+            cout<<"0"<<endl;
+        }else{
+            cout<<"1"<<endl;
+        }        
+    }
+}
+
diff --git a/3053_longdui/now.exe b/3053_longdui/now.exe
new file mode 100644
index 0000000..39c5f08
Binary files /dev/null and b/3053_longdui/now.exe differ
diff --git a/3053_longdui/test/in.txt b/3053_longdui/test/in0.txt
similarity index 100%
rename from 3053_longdui/test/in.txt
rename to 3053_longdui/test/in0.txt
diff --git a/3053_longdui/test/out.txt b/3053_longdui/test/out.txt
index 98b349c..891ff08 100644
--- a/3053_longdui/test/out.txt
+++ b/3053_longdui/test/out.txt
@@ -1,5 +1,5 @@
-## z:\Chao\src\3053_longdui\test\in.txt 
-2020/04/18 周六  9:50:13.40 
+## z:\Chao\src\3053_longdui\test\in0.txt 
+2020/04/22 周三 19:07:51.69 
 0
 0
 0
@@ -102,10 +102,10 @@
 0
 
 -----------------------------------------------
-Process exited after 430 ms with return value 0
+Process exited after 210 ms with return value 0
 
 ## z:\Chao\src\3053_longdui\test\in2.txt 
-2020/04/18 周六  9:50:13.40 
+2020/04/22 周三 19:07:51.69 
 0
 0
 0
@@ -1108,10 +1108,10 @@ Process exited after 430 ms with return value 0
 0
 
 -----------------------------------------------
-Process exited after 220 ms with return value 0
+Process exited after 130 ms with return value 0
 
 ## z:\Chao\src\3053_longdui\test\in3.txt 
-2020/04/18 周六  9:50:13.40 
+2020/04/22 周三 19:07:51.69 
 0
 0
 0
@@ -2114,5 +2114,5 @@ Process exited after 220 ms with return value 0
 0
 
 -----------------------------------------------
-Process exited after 220 ms with return value 0
+Process exited after 130 ms with return value 0
 
diff --git a/3069_includesushu/Readme.md b/3069_includesushu/Readme.md
new file mode 100644
index 0000000..b4f8d75
--- /dev/null
+++ b/3069_includesushu/Readme.md
@@ -0,0 +1,3 @@
+# 标题
+
+* 内容
\ No newline at end of file
diff --git a/3069_includesushu/doc/Readme.md b/3069_includesushu/doc/Readme.md
new file mode 100644
index 0000000..b4f8d75
--- /dev/null
+++ b/3069_includesushu/doc/Readme.md
@@ -0,0 +1,3 @@
+# 标题
+
+* 内容
\ No newline at end of file
diff --git a/3069_includesushu/doc/pro3069300044594875851.pdf b/3069_includesushu/doc/pro3069300044594875851.pdf
new file mode 100644
index 0000000..8b315fd
Binary files /dev/null and b/3069_includesushu/doc/pro3069300044594875851.pdf differ
diff --git a/3069_includesushu/main.cpp b/3069_includesushu/main.cpp
new file mode 100644
index 0000000..f8cd26e
--- /dev/null
+++ b/3069_includesushu/main.cpp
@@ -0,0 +1,36 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+vector<int> su;
+bool pan(int n)
+{
+    if(n==1){
+        return 1;
+    }
+    for (int i = 0; i < su.size(); i++) {
+        if (n % su[i] == 0 || su[i] * su[i] > n) {
+            return 0;
+        }
+    }
+    su.push_back(n);
+    return 1;
+}
+int main()
+{
+    int begn, ends;
+    cin >> begn >> ends;
+    int bgnum=1,ednum=1;
+    /*if(pan(begn)==1){
+        bgnum--;
+    }*/
+    for (int i = 2; i * i <= ends; i++) {
+        if (pan(i) == 1) {
+            if (i * i <= begn) {
+                bgnum+=begn/i+i-2;
+            }
+            ednum+=ends/i+i-2;
+        }
+    }
+
+    cout<<ends-ednum-begn+bgnum;
+}
diff --git a/3069_includesushu/main.exe b/3069_includesushu/main.exe
new file mode 100644
index 0000000..a579ced
Binary files /dev/null and b/3069_includesushu/main.exe differ
diff --git a/3069_includesushu/test/in.txt b/3069_includesushu/test/in.txt
new file mode 100644
index 0000000..c95e510
--- /dev/null
+++ b/3069_includesushu/test/in.txt
@@ -0,0 +1 @@
+2 11
\ No newline at end of file
diff --git a/3069_includesushu/test/in2.txt b/3069_includesushu/test/in2.txt
new file mode 100644
index 0000000..c47a295
--- /dev/null
+++ b/3069_includesushu/test/in2.txt
@@ -0,0 +1 @@
+2000000 2000999
\ No newline at end of file
diff --git a/3069_includesushu/test/in3.txt b/3069_includesushu/test/in3.txt
new file mode 100644
index 0000000..e69de29
diff --git a/3069_includesushu/test/out.txt b/3069_includesushu/test/out.txt
new file mode 100644
index 0000000..9db0bbf
--- /dev/null
+++ b/3069_includesushu/test/out.txt
@@ -0,0 +1,18 @@
+## z:\Chao\src\3069_includesushu\test\in.txt 
+2020/04/19 周日 11:36:55.94 
+4
+-----------------------------------------------
+Process exited after 220 ms with return value 0
+
+## z:\Chao\src\3069_includesushu\test\in2.txt 
+2020/04/19 周日 11:36:55.94 
+262
+-----------------------------------------------
+Process exited after 90 ms with return value 0
+
+## z:\Chao\src\3069_includesushu\test\in3.txt 
+2020/04/19 周日 11:36:55.94 
+-7083472
+-----------------------------------------------
+Process exited after 70 ms with return value 0
+