Authentication Failed

CodeChefRating 2608Open on judge ↗

Several days ago Chef decided to register at one of the programming sites. For registering he was asked to choose a nickname and a password. There was no problem with choosing a nickname ("Chef" is his favorite nickname), but choosing a password in a secure way seemed to be a real problem for Chef. Therefore, he decided to write a program which would generate the password of length N consisting of

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI