Merge pull request Kvaibhav01#6 from Yashika25/master

ADD ARRAY ELEMENTS

Online Programming/Sum of N/README.md

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+# ARRAY SUM OF SIZE N
+
+## This is a solution to HackerEarth problem. Following steps are followed:
+
+- First, we take the size of the array as input (N).
+
+- Then, the array is declared to be of integer type.
+
+- The space separated array elements are taken as input from user.
+
+- An integer type variable called *sum* is declared and initialised with value 0 as no array element is added yet.
+
+- Now, a for loop is used to read each element starting from index 0 to N-1 and are simultaneously added to previous value of sum and array element present at that particular loop index.
+
+- Lastly, the variable sum which contains the final answer is printed as the output.
+
+### Find the link to the problem statement here: https://www.hackerearth.com/practice/basic-programming/implementation/basics-of-implementation/practice-problems/algorithm/array-sum-2-725368ac/
+
+## #HAPPYCODING ;)

Online Programming/Sum of squares/README.md

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+# SUM OF SQUARES OF ARRAY OF SIZE N
+
+## Following steps are followed:
+
+- First, we take the size of the array as input (N).
+
+- Then, the array is declared to be of integer type.
+
+- The space separated array elements are taken as input from user.
+
+- An integer type variable called *sum* is declared and initialised with value 0 as no array element is added yet.
+
+- Now, a for loop is used to read each element starting from index 0 to N-1 and are simultaneously added to previous value of sum and array element present at that particular loop index is added two times.
+
+- Lastly, the variable sum which contains the final answer is printed as the output.
+
+## #HAPPYCODING ;)