Naive Approach - Program to check if two Arrays are Equal or not

Program to check if two Arrays are Equal or not.cpp

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+// C++ program to implement the approach
+
+#include <bits/stdc++.h>
+using namespace std;
+
+// Function to check if both arrays are equal
+bool checkArrays(int arr1[], int arr2[],
+ int n, int m)
+{
+ // If lengths of array are not equal
+ // means array are not equal
+ if (n != m)
+ return false;
+
+ // Sort both arrays
+ sort(arr1, arr1 + n);
+ sort(arr2, arr2 + m);
+
+ // Linearly compare elements
+ for (int i = 0; i < n; i++)
+ if (arr1[i] != arr2[i])
+ return false;
+
+ // If elements are same
+ return true;
+}
+
+// Driver Code
+int main()
+{
+ int arr1[] = { 1, 2, 3, 4, 5 };
+ int arr2[] = { 5, 4, 3, 2, 1 };
+ int N = sizeof(arr1) / sizeof(int);
+ int M = sizeof(arr2) / sizeof(int);
+
+ // Function call
+ if (checkArrays(arr1, arr2, N, M))
+ cout << "Equal";
+ else
+ cout << "Not Equal";
+ return 0;
+}