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In this HackerRank challenge solution video, we have to find out the sum of the elements of an array using dynamic array technique ( using malloc and free function) we use a loop to access the array elements and find out its sum and assign the into sum variable. After ending the loop we print the output sum and free the memory allocation.
From this question you learn a very important concept of the dynamic array, use is malloc and free function.
HackerRank is a very good platform to practice and increase your coding skills it has lots of very good questions which makes clarity of concept.
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