Lost's revenge Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 3757 Accepted Submission(s): 1020 Problem Description Lost and AekdyCoin are friends. They always play "number game"(A bor…
DNA repair Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 940 Accepted Submission(s): 500 Problem Description Biologists finally invent techniques of repairing DNA that contains segments cau…
Rikka with String Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is one of them: Yuta has n 01 strings si, and he wants to know the number of 01 antis…