摘要：Need for SpeedSheila is a student and she drives a typical student car: it is old, slow, rusty, and falling apart. Recently, the needl... 阅读全文

摘要：GukiZ hates BoxesProfessor GukiZ is concerned about making his way to school, because massive piles of boxes are blocking his way.In t... 阅读全文

摘要：二分法 D - 又是一道签到题Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status P... 阅读全文