Create problem17.cpp

Author: rmkcodingclub

problem17.cpp

@@ -0,0 +1,25 @@
+/*
+Solved by Vignesh M
+Dept of CSE
+*/
+
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+	vector <int> inputElements;
+	int n, i, xor1 = 0, xor2 = 0, temp;
+	cin >> n;
+	for(i = 1; i <= n; i++)
+	{
+		cin >> temp;
+		inputElements.push_back(temp);
+		xor1 ^= i;
+		xor2 ^= temp;
+	}
+        xor1 ^= (n + 1);
+        cout << (xor1 ^ xor2);
+	return 0;
+}