Added 1840B - Binary Cafe.cpp

Author: vikashpatel24

1840B - Binary Cafe.cpp

@@ -0,0 +1,26 @@
+//                                 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 solve(int n, int k)
+{
+    if(log2(n) < k)
+    return n+1;
+    return (int)pow(2, k);
+}
+int main()
+{
+    int t;
+    cin>>t;
+    while(t--)
+    {
+        int n, k;
+        cin>>n>>k;
+        cout<<solve(n, k)<<endl;
+    }
+    return 0;
+}