摘要:
InstrusiveTime Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Problem DescriptionThe legendary mercenary... 阅读全文
摘要:
How far awayTime limit1000 ms Memory limit32768 kBProblem DescriptionThere are n houses in the village and some bidirectional roads co... 阅读全文