Comments

B is Worst problem ever

Worst problem C ever

Answer will always lie between n and INT64MAX and bitwise and from n to k >= bitwise and from n to k+1 therefore you can apply binary search . To find bitwise and from n to k you can search on net and get method easily .

On Nanako → Good Bye 2022: 2023 is NEAR, 4 years ago
0

Thanks for keeping such a wonderful contest. It ended my big negative delta streak from past 7 contests.

QueryForces

Thanks a lot for creating this awesome website .

+7

GridForces

This contest is hell tough for beginners like me

Yeah works fine on this.

What was the mistake ? Actually I am also getting error on same test case u got .

+11

Is every problem in this contest interactive ?

Why has the Magic tab not disappeared yet ?

One of Codeforces and other of Codechef

Two contests on the same day damnn!!

When will the editorials of this contest be released ?