1034 Head of a Gang (30 分) One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is related. The weight of a relation is defined to be the total time length…
Gap Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 690 Accepted Submission(s): 380 Problem Description Let's play a card game called Gap. You have 28 cards labeled with two-digit numbers…