diff --git a/algorithm/includes.md b/algorithm/includes.md
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+# includes
+
+**Description** : Test whether sorted range `[first1, last1)` contains (includes) all elements from another sorted range `[first2, last2)`.
+
+**Example**:
+```cpp
+    std::vector<int> v1 {8, 2, 0, 4};
+    std::vector<int> v2 {2, 0};
+    std::vector<int> v3 {1, 0};
+
+    // includes requires sorted ranges
+    std::sort(v1.begin(), v1.end());
+    std::sort(v2.begin(), v2.end());
+    std::sort(v3.begin(), v3.end());
+
+    auto v1ContainsV2 = std::includes(v1.begin(), v1.end(),  // first range 
+                                      v2.begin(), v2.end()); // second range
+    // prints 1/true
+    std::cout << " v1 contains v2? " << v1ContainsV2 << std::endl;
+
+    auto v1ContainsV3 = std::includes(v1.begin(), v1.end(),  // first range 
+                                      v3.begin(), v3.end()); // second range
+    // prints 0/false
+    std::cout << " v1 contains v3? " << v1ContainsV3 << std::endl;
+   
+```
+**[See Sample code](snippets/algorithm/includes.cpp)**
+**[Run Code](https://rextester.com/MMPQ67900)**
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diff --git a/snippets/algorithm/includes.cpp b/snippets/algorithm/includes.cpp
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+ /*
+    Author : Thamara Andrade
+    Date : Date format 02/09/2019
+    Time : Time format 02:00
+    Description : Checks if a range is included in another range.
+*/
+
+#include <iostream>
+#include <vector>
+#include <algorithm>
+
+int main()
+{
+    std::vector<int> v1 {8, 2, 0, 4};
+    std::vector<int> v2 {2, 0};
+    std::vector<int> v3 {1, 0};
+
+    // includes requires sorted ranges
+    std::sort(v1.begin(), v1.end());
+    std::sort(v2.begin(), v2.end());
+    std::sort(v3.begin(), v3.end());
+
+    auto v1ContainsV2 = std::includes(v1.begin(), v1.end(),  // first range 
+                                      v2.begin(), v2.end()); // second range
+    // prints 1/true
+    std::cout << " v1 contains v2? " << v1ContainsV2 << std::endl;
+
+    auto v1ContainsV3 = std::includes(v1.begin(), v1.end(),  // first range 
+                                      v3.begin(), v3.end()); // second range
+    // prints 0/false
+    std::cout << " v1 contains v3? " << v1ContainsV3 << std::endl;
+}
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