HDU Let's go to play

Let's go to play Time Limit : 3000/1000ms (Java/Other) Memory Limit : 65535/32768K (Java/Other) Total Submission(s) : 773 Accepted Submission(s) : 213 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Mr.Lin would like to hold a party and invite his friends to this party. He has n friends and each of them can come in a sp...阅读全文