Added 1348A - Phoenix and Balance.cpp

Author: vikashpatel24

1348A - Phoenix and Balance.cpp

@@ -0,0 +1,30 @@
+//                                 ॐ नमः शिवाय
+#include<bits/stdc++.h>
+using namespace std;
+#define ll long long
+ 
+// Code Written By: Vikash Patel
+// Codeforces Profile: https://codeforces.com/profile/vikashpatel
+ 
+int main()
+{
+    int t;
+    cin>>t;
+    while(t--)
+    {
+       int n;
+       cin>>n;
+       int lp = 0;
+       for(int i=n/2; i<n; i++)
+       {
+           lp += pow(2,i);
+       }
+       int rp = pow(2,n);
+       for(int i=1; i<n/2; i++)
+       {
+           rp += pow(2,i);
+       }
+       cout<<abs(lp-rp)<<endl;
+    }
+    return 0;
+}