diff --git a/201816040208/Ex07_13.cpp b/201816040208/Ex07_13.cpp
new file mode 100644
index 0000000..273b599
--- /dev/null
+++ b/201816040208/Ex07_13.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <array>
+
+using namespace std;
+
+int main()
+{
+    array <int, 20> a;
+    int i = 0, j = 0, k;
+    int n;  //每次输入的数值
+    int flag;   //判定输入的数是否与之前二点重复
+
+    for(i = 0; i < 20; i++)
+    {
+        flag = 1;
+        cin >> n;   //输入数值
+        if(n < 10 || n > 100)
+        {
+            cout << "The data entered is invalid!" << endl << "Please enter again:";
+            i--;    //若输入数值不符合要求，则重新输入
+            continue;
+
+        }
+
+        for(k = 0; k < j; k++)
+        {
+            if(a[k] == n)
+                flag = 0;   //若数值与之前的重复，则不放进数组里
+        }
+
+        if(flag)
+            a[j++] = n;
+    }
+
+    for(i = 0; i < j; i++)
+        cout << a[i] << " ";    //输出
+
+
+    return 0;
+}
diff --git a/201816040208/Ex07_14.cpp b/201816040208/Ex07_14.cpp
new file mode 100644
index 0000000..04ffb31
--- /dev/null
+++ b/201816040208/Ex07_14.cpp
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main()
+{
+    vector< int > a( 0 );
+    int i, j, k = 0;
+    int n;  //每次输入的数值
+    int flag;   //判断是否重复
+
+    for(i = 0; i < 20; i++)
+    {
+        cin >> n;   //输入数值
+        flag = 1;
+        if(n < 10 || n > 100)
+        {
+            cout << "The data entered is invalid!" << endl << "Please enter again:";
+            i--;    //若输入数值不符合要求，则重新输入
+            continue;
+
+        }
+
+        for(j = 0; j < k; j++)
+        {
+            if(a[j] == n)
+            {
+                flag = 0;   //输入数字与之前重复
+                break;
+            }
+
+        }
+
+        if(flag)
+        {
+            a.push_back(n);    //将数放入vector数组中
+            k++;
+        }
+    }
+
+    for(i = 0; i < k; i++)
+    {
+        cout << a[i] << " ";    //输出
+    }
+    return 0;
+}
diff --git a/201816040208_/Ex07_13.cpp b/201816040208_/Ex07_13.cpp
new file mode 100644
index 0000000..273b599
--- /dev/null
+++ b/201816040208_/Ex07_13.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <array>
+
+using namespace std;
+
+int main()
+{
+    array <int, 20> a;
+    int i = 0, j = 0, k;
+    int n;  //每次输入的数值
+    int flag;   //判定输入的数是否与之前二点重复
+
+    for(i = 0; i < 20; i++)
+    {
+        flag = 1;
+        cin >> n;   //输入数值
+        if(n < 10 || n > 100)
+        {
+            cout << "The data entered is invalid!" << endl << "Please enter again:";
+            i--;    //若输入数值不符合要求，则重新输入
+            continue;
+
+        }
+
+        for(k = 0; k < j; k++)
+        {
+            if(a[k] == n)
+                flag = 0;   //若数值与之前的重复，则不放进数组里
+        }
+
+        if(flag)
+            a[j++] = n;
+    }
+
+    for(i = 0; i < j; i++)
+        cout << a[i] << " ";    //输出
+
+
+    return 0;
+}
diff --git a/201816040208_/Ex07_14.cpp b/201816040208_/Ex07_14.cpp
new file mode 100644
index 0000000..907a01f
--- /dev/null
+++ b/201816040208_/Ex07_14.cpp
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main()
+{
+    vector< int > a( 0 );   //
+    int i, j, k = 0;
+    int n;  //每次输入的数值
+    int flag;   //判断是否重复
+
+    for(i = 0; i < 20; i++)
+    {
+        cin >> n;   //输入数值
+        flag = 1;
+        if(n < 10 || n > 100)
+        {
+            cout << "The data entered is invalid!" << endl << "Please enter again:";
+            i--;    //若输入数值不符合要求，则重新输入
+            continue;
+
+        }
+
+        for(j = 0; j < k; j++)
+        {
+            if(a[j] == n)
+            {
+                flag = 0;   //输入数字与之前重复
+                break;
+            }
+
+        }
+
+        if(flag)
+        {
+            a.push_back(n);    //将数放入vector数组中
+            k++;
+        }
+    }
+
+    for(i = 0; i < k; i++)
+    {
+        cout << a[i] << " ";    //输出
+    }
+    return 0;
+}