CCF201709-2 public key box

Title: public key box Problem description In one school, teachers share N classrooms. According to the regulations, all keys must be placed in the public key box. Teachers cannot take keys home. Every time before class, the teacher finds the key of his classroom from the public key box to open the door. After class, he puts the key back in the ...

Posted by ipruthi on Sat, 11 Sep 2021 18:59:15 -0700