Create range.cpp

range.cpp

@@ -0,0 +1,32 @@
+// C++ program to find total count of an element
+// in a range
+#include<bits/stdc++.h>
+using namespace std;
+
+// Returns count of element in arr[left-1..right-1]
+int findFrequency(int arr[], int n, int left,
+						int right, int element)
+{
+	int count = 0;
+	for (int i=left-1; i<=right; ++i)
+		if (arr[i] == element)
+			++count;
+	return count;
+}
+
+// Driver Code
+int main()
+{
+	int arr[] = {2, 8, 6, 9, 8, 6, 8, 2, 11};
+	int n = sizeof(arr) / sizeof(arr[0]);
+
+	// Print frequency of 2 from position 1 to 6
+	cout << "Frequency of 2 from 1 to 6 = "
+		<< findFrequency(arr, n, 1, 6, 2) << endl;
+
+	// Print frequency of 8 from position 4 to 9
+	cout << "Frequency of 8 from 4 to 9 = "
+		<< findFrequency(arr, n, 4, 9, 8);
+
+	return 0;
+}