diff --git a/pointers/dynamicmemoryallocation.cpp b/pointers/dynamicmemoryallocation.cpp
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+++ b/pointers/dynamicmemoryallocation.cpp
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+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int arr[5] = {1, 2, 3, 4, 5};
+    int *ptr;
+    ptr = new int[5]{1, 2, 3}; // memory allocated inside heap
+    cout << ptr[0] << endl;
+    ptr++;
+    cout << ptr[1];
+    delete ptr; // prevents memory leak
+    return 0;
+}
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diff --git a/pointers/dynamicmemoryallocation.exe b/pointers/dynamicmemoryallocation.exe
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diff --git a/pointers/ptrdeclare.cpp b/pointers/ptrdeclare.cpp
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+++ b/pointers/ptrdeclare.cpp
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+// declaration and initialization of ptr
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int arr[5] = {1, 2, 3, 4, 5};
+    int *ptr;      // declaration
+    ptr = &arr[0]; // ptr storing address of arr 0 index value
+    cout << arr[0] << endl;
+    cout << &arr[0] << endl;
+    cout << ptr;
+
+    return 0;
+}
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