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+/* C++ Program to find sum of elements 
+in a given array */
+#include <bits/stdc++.h> 
+using namespace std; 
+
+// function to return sum of elements 
+// in an array of size n 
+int sum(int arr[], int n) 
+{ 
+	int sum = 0; // initialize sum 
+
+	// Iterate through all elements 
+	// and add them to sum 
+	for (int i = 0; i < n; i++) 
+	sum += arr[i]; 
+
+	return sum; 
+} 
+
+// Driver code 
+int main() 
+{ 
+	int arr[] = {12, 3, 4, 15}; 
+	int n = sizeof(arr) / sizeof(arr[0]); 
+	cout << "Sum of given array is " << sum(arr, n); 
+	return 0; 
+} 
+
+// This code is contributed by rathbhupendra