Rename problem17.cpp to problem17Sol2.cpp

Author: rmkcodingclub

problem17Sol2.cpp

@@ -0,0 +1,20 @@
+//Solved by Sri Divya, CSE
+
+#include <iostream>
+using namespace std;
+
+int missing(int a[], int len)
+{
+    int xor_res = 0;
+    for(int i = 0; i < len; i++)
+        xor_res ^= a[i] ^ (i+1);
+    return xor_res ^ (len+1);
+}
+
+int main()
+ {
+    const int nplus1 = 13;
+    int a[nplus1-1] = {4,5,3,2,8,9,10,11,7,1,12,13};
+    cout <<"Missing = " << missing(a, nplus1-1)<<endl;
+    return 0;
+}